This is TeX, Version 3.14159 (Web2C 7.4.5) LaTeX2e <2001/06/01> Babel and hyphenation patterns for american, french, german, ngerman, b asque, italian, portuges, russian, spanish, nohyphenation, loaded. (./hmwk2.tex (/usr/share/texmf/tex/latex/base/article.cls Document Class: article 2001/04/21 v1.4e Standard LaTeX document class (/usr/share/texmf/tex/latex/base/size11.clo)) (/usr/share/texmf/tex/latex/srcltx/srcltx.sty) (./macros.tex (/usr/share/texmf/tex/latex/amsmath/amsmath.sty For additional information on amsmath, use the `?' option. (/usr/share/texmf/tex/latex/amsmath/amstext.sty (/usr/share/texmf/tex/latex/amsmath/amsgen.sty)) (/usr/share/texmf/tex/latex/amsmath/amsbsy.sty) (/usr/share/texmf/tex/latex/amsmath/amsopn.sty)) (/usr/share/texmf/tex/latex/amsfonts/amsfonts.sty) (/usr/share/texmf/tex/latex/amsfonts/amssymb.sty) (/usr/share/texmf/tex/latex/amscls/amsthm.sty)) (./hmwk2.aux) (/usr/share/texmf/tex/latex/cyrillic/ot2cmr.fd) (/usr/share/texmf/tex/latex/amsfonts/umsa.fd) (/usr/share/texmf/tex/latex/amsfonts/umsb.fd) ! Extra }, or forgotten $. l.30 \item The ideal $(2004)$ in $\Q(\sqrt{-1}} )$. [1] (./hmwk2.aux) ) (see the transcript file for additional information) Output written on hmwk2.dvi (1 page, 3312 bytes). Transcript written on hmwk2.log.