This is pdfTeXk, Version 3.1415926-1.40.9 (Web2C 7.5.7) (format=pdflatex 2009.8.20)  11 MAR 2010 10:10
entering extended mode
\write18 enabled.
 %&-line parsing enabled.
**macros.tex
(./macros.tex
LaTeX2e <2005/12/01>
Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh
yphenation, german-x-2008-06-18, ngerman-x-2008-06-18, ancientgreek, ibycus, ar
abic, basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danish, dutc
h, esperanto, estonian, farsi, finnish, french, galician, german, ngerman, mono
greek, greek, hungarian, icelandic, indonesian, interlingua, irish, italian, la
tin, lithuanian, mongolian, mongolian2a, bokmal, nynorsk, polish, portuguese, r
omanian, russian, sanskrit, serbian, slovak, slovenian, spanish, swedish, turki
sh, ukenglish, ukrainian, uppersorbian, welsh, loaded.

! LaTeX Error: No counter 'theorem' defined.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
                                                  
l.1 \newtheorem{assumption}[theorem]{Assumption}
                                                
? 
! Emergency stop.
 ...                                              
                                                  
l.1 \newtheorem{assumption}[theorem]{Assumption}
                                                
Your command was ignored.
Type  I <command> <return>  to replace it with another command,
or  <return>  to continue without it.

 
Here is how much of TeX's memory you used:
 7 strings out of 493876
 265 string characters out of 1150568
 48901 words of memory out of 3000000
 3380 multiletter control sequences out of 10000+50000
 3640 words of font info for 14 fonts, out of 3000000 for 5000
 714 hyphenation exceptions out of 8191
 5i,0n,4p,67b,14s stack positions out of 5000i,500n,10000p,200000b,50000s
!  ==> Fatal error occurred, no output PDF file produced!