This is XeTeX, Version 3.14159265-2.6-0.99998 (TeX Live 2017/Arch Linux) (preloaded format=xelatex 2017.8.19) 7 SEP 2017 21:57 entering extended mode restricted \write18 enabled. file:line:error style messages enabled. %&-line parsing enabled. **\input preorder.tex (./preorder.tex ./preorder.tex:14: Undefined control sequence. l.14 \psscalebox {1.0 1.0} % Change this value to rescale the drawing. The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. ./preorder.tex:14: LaTeX Error: Missing \begin{document}. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.14 \psscalebox{1 .0 1.0} % Change this value to rescale the drawing. You're in trouble here. Try typing to proceed. If that doesn't work, type X to quit. Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! ./preorder.tex:16: LaTeX Error: Environment pspicture undefined. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.16 \begin{pspicture} (0,-1.13)(2.89,1.13) Your command was ignored. Type I to replace it with another command, or to continue without it. Missing character: There is no ( in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! ./preorder.tex:17: Undefined control sequence. l.17 \psline [linecolor=black, linewidth=0.04, arrowsize=0.05291667cm 2.0,arr... The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no k in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no d in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no z in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 5 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no m in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no g in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no > in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no ) in font nullfont! ./preorder.tex:18: Undefined control sequence. l.18 \psline [linecolor=black, linewidth=0.04, arrowsize=0.05291667cm 2.0,arr... The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no k in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no d in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no z in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 5 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no m in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no g in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no > in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no ) in font nullfont! ./preorder.tex:19: Undefined control sequence. l.19 \psline [linecolor=black, linewidth=0.04, arrowsize=0.05291667cm 2.0,arr... The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no k in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no d in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no z in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 5 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no m in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no g in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no > in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! ./preorder.tex:20: Undefined control sequence. l.20 \psline [linecolor=black, linewidth=0.04, arrowsize=0.05291667cm 2.0,arr... The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no k in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no d in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no z in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 5 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no m in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no g in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no > in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! ./preorder.tex:21: Undefined control sequence. l.21 \psline [linecolor=black, linewidth=0.04, arrowsize=0.05291667cm 2.0,arr... The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no k in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no d in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no z in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 5 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no c in font nullfont! Missing character: There is no m in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no g in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no h in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no a in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no r in font nullfont! Missing character: There is no o in font nullfont! Missing character: There is no w in font nullfont! Missing character: There is no i in font nullfont! Missing character: There is no n in font nullfont! Missing character: There is no s in font nullfont! Missing character: There is no e in font nullfont! Missing character: There is no t in font nullfont! Missing character: There is no = in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no > in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no ) in font nullfont! ./preorder.tex:22: Undefined control sequence. l.22 \rput [bl](1.00,0.89){A} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no A in font nullfont! ./preorder.tex:23: Undefined control sequence. l.23 \rput [bl](0.0,0.03){B} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no B in font nullfont! ./preorder.tex:24: Undefined control sequence. l.24 \rput [bl](2.0,0.03){C} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no C in font nullfont! ./preorder.tex:25: Undefined control sequence. l.25 \rput [bl](1.00,-1.13){D} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no D in font nullfont! ./preorder.tex:26: Undefined control sequence. l.26 \rput [bl](2.68,-1.13){E} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ) in font nullfont! Missing character: There is no E in font nullfont! ./preorder.tex:27: Undefined control sequence. l.27 \rput {42.128693}(0.48887426,-0.28929842){\rput[bl](0.62,0.49){$\leq$}} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no 4 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 3 in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 7 in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no 8 in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no ) in font nullfont! ./preorder.tex:27: Undefined control sequence. l.27 ...t{42.128693}(0.48887426,-0.28929842){\rput [bl](0.62,0.49){$\leq$}} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 6 in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 0 in font nullfont! Missing character: There is no . in font nullfont! Missing character: There is no 4 in font nullfont! Missing character: There is no 9 in font nullfont! Missing character: There is no ) in font nullfont! LaTeX Font Info: External font `cmex10' loaded for size (Font) <7> on input line 27. LaTeX Font Info: External font `cmex10' loaded for size (Font) <5> on input line 27. ./preorder.tex:28: Undefined control sequence. l.28 \rput [bl](-2,1){$$\begin{align} The control sequence at the end of the top line of your error message was never \def'ed. If you have misspelled it (e.g., `\hobx'), type `I' and the correct spelling (e.g., `I\hbox'). Otherwise just continue, and I'll forget about whatever was undefined. Missing character: There is no [ in font nullfont! Missing character: There is no b in font nullfont! Missing character: There is no l in font nullfont! Missing character: There is no ] in font nullfont! Missing character: There is no ( in font nullfont! Missing character: There is no - in font nullfont! Missing character: There is no 2 in font nullfont! Missing character: There is no , in font nullfont! Missing character: There is no 1 in font nullfont! Missing character: There is no ) in font nullfont! Overfull \hbox (20.0pt too wide) in paragraph at lines 14--28 [] [] Overfull \hbox (7.7778pt too wide) in paragraph at lines 14--28 \OMS/cmsy/m/n/10 ^^T$ [] ./preorder.tex:28: LaTeX Error: Environment align undefined. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.28 \rput[bl](-2,1){$$\begin{align} Your command was ignored. Type I to replace it with another command, or to continue without it. ./preorder.tex:29: Misplaced alignment tab character &. l.29 B & \leq A \\ I can't figure out why you would want to use a tab mark here. If you just want an ampersand, the remedy is simple: Just type `I\&' now. But if some right brace up above has ended a previous alignment prematurely, you're probably due for more error messages, and you might try typing `S' now just to see what is salvageable. ./preorder.tex:30: Misplaced alignment tab character &. l.30 C & \leq A \\ I can't figure out why you would want to use a tab mark here. If you just want an ampersand, the remedy is simple: Just type `I\&' now. But if some right brace up above has ended a previous alignment prematurely, you're probably due for more error messages, and you might try typing `S' now just to see what is salvageable. ./preorder.tex:31: Misplaced alignment tab character &. l.31 D & \leq B \\ I can't figure out why you would want to use a tab mark here. If you just want an ampersand, the remedy is simple: Just type `I\&' now. But if some right brace up above has ended a previous alignment prematurely, you're probably due for more error messages, and you might try typing `S' now just to see what is salvageable. ./preorder.tex:32: Misplaced alignment tab character &. l.32 D & \leq C \\ I can't figure out why you would want to use a tab mark here. If you just want an ampersand, the remedy is simple: Just type `I\&' now. But if some right brace up above has ended a previous alignment prematurely, you're probably due for more error messages, and you might try typing `S' now just to see what is salvageable. ./preorder.tex:33: Misplaced alignment tab character &. l.33 E & \leq E \\ I can't figure out why you would want to use a tab mark here. If you just want an ampersand, the remedy is simple: Just type `I\&' now. But if some right brace up above has ended a previous alignment prematurely, you're probably due for more error messages, and you might try typing `S' now just to see what is salvageable. ./preorder.tex:34: LaTeX Error: \begin{document} ended by \end{align}. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.34 \end{align} $$} Your command was ignored. Type I to replace it with another command, or to continue without it. Overfull \hbox (146.59525pt too wide) detected at line 34 \OML/cmm/m/it/10 B \OMS/cmsy/m/n/10 ^^T \OML/cmm/m/it/10 A[] C \OMS/cmsy/m/n/10 ^^T \OML/cmm/m/it/10 A[] D \OMS/cmsy/m/n/10 ^^T \OML/cmm/m/it/10 B[] D \OMS/cm sy/m/n/10 ^^T \OML/cmm/m/it/10 C[] E \OMS/cmsy/m/n/10 ^^T \OML/cmm/m/it/10 E[] [] ./preorder.tex:35: LaTeX Error: \begin{document} ended by \end{pspicture}. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.35 \end{pspicture} Your command was ignored. Type I to replace it with another command, or to continue without it. ) ! Emergency stop. <*> \input preorder.tex *** (job aborted, no legal \end found) Here is how much of TeX's memory you used: 10 strings out of 492998 108 string characters out of 6139961 61708 words of memory out of 5000000 4090 multiletter control sequences out of 15000+600000 3640 words of font info for 14 fonts, out of 8000000 for 9000 1348 hyphenation exceptions out of 8191 18i,1n,12p,148b,67s stack positions out of 5000i,500n,10000p,200000b,80000s No pages of output.