私のところでは再現されました．emathおよびTeXに関しては最新
のもののはずです．以下がlogファイルです．

This is pTeX, Version 3.141592-p3.1.4 (sjis) (Web2C 7.5.3)
 \write18 enabled.
(./AcupBs.tex
pLaTeX2e <2004/08/10>+0 (based on LaTeX2e <2003/12/01> patch level 0)
(c:/usr/local/share/texmf/ptex/platex/base/jarticle.cls
Document Class: jarticle 2002/04/09 v1.4 Standard pLaTeX class
(c:/usr/local/share/texmf/ptex/platex/base/jsize10.clo))
(c:/usr/local/share/texmf/ptex/platex/misc/emath/emathPh.sty
(c:/usr/local/share/texmf/ptex/platex/misc/etc/epic.sty
Enhancements to Picture Environment. Version 1.2 - Released June 1, 1986
) (c:/usr/local/share/texmf/ptex/platex/misc/etc/eepic.sty
Extension to Epic and LaTeX. Version 1.1e - Released Dec 21, 1999
) (c:/usr/local/share/texmf/ptex/platex/misc/etc/eclarith.sty
eclarith.sty 1.1 --- July 1, 1992
) (c:/usr/local/share/texmf/ptex/platex/misc/emath/emath.sty
(c:/usr/local/share/texmf/ptex/platex/misc/emath/emath2e.sty
(c:/usr/local/share/texmf/tex/latex/amslatex/amsmath.sty
For additional information on amsmath, use the `?' option.
(c:/usr/local/share/texmf/tex/latex/amslatex/amstext.sty
(c:/usr/local/share/texmf/tex/latex/amslatex/amsgen.sty))
(c:/usr/local/share/texmf/tex/latex/amslatex/amsbsy.sty)
(c:/usr/local/share/texmf/tex/latex/amslatex/amsopn.sty))
(c:/usr/local/share/texmf/tex/latex/amsfonts/amssymb.sty
(c:/usr/local/share/texmf/tex/latex/amsfonts/amsfonts.sty))
(c:/usr/local/share/texmf/ptex/platex/misc/emath/emathC.sty
(c:/usr/local/share/texmf/tex/latex/tools/calc.sty))
(c:/usr/local/share/texmf/ptex/platex/misc/emath/emathE.sty
(c:/usr/local/share/texmf/tex/latex/tools/enumerate.sty)
(c:/usr/local/share/texmf/tex/latex/graphics/keyval.sty)
(c:/usr/local/share/texmf/tex/latex/base/ifthen.sty)
(c:/usr/local/share/texmf/ptex/platex/misc/emath/emathMw.sty
(c:/usr/local/share/texmf/ptex/platex/misc/emath/emathLb.sty))
(c:/usr/local/share/texmf/ptex/platex/misc/emath/emathK.sty))))
(c:/usr/local/share/texmf/tex/latex/graphics/graphicx.sty
(c:/usr/local/share/texmf/tex/latex/graphics/graphics.sty
(c:/usr/local/share/texmf/tex/latex/graphics/trig.sty)
(c:/usr/local/share/texmf/tex/latex/config/graphics.cfg)
(c:/usr/local/share/texmf/tex/latex/graphics/dvips.def)))
(c:/usr/local/share/texmf/tex/latex/graphics/color.sty
(c:/usr/local/share/texmf/tex/latex/config/color.cfg)
(c:/usr/local/share/texmf/tex/latex/graphics/dvipsnam.def))) (./AcupBs.aux)
! Undefined control sequence.
l.27 \BKinziOresen
                  \AFx\AFy\henkakuAQ\henkakuAPii{1}\AkoQP
? 
! Emergency stop.
l.27 \BKinziOresen
                  \AFx\AFy\henkakuAQ\henkakuAPii{1}\AkoQP
No pages of output.
Transcript written on AcupBs.log.

▼関連発言
│
└◆1903:\BKinziOresen [genio] 10/15 15:53
　├◆1904:Re:\BKinziOresen [tDB] 10/15 17:21
　└◆1905:Re:\BKinziOresen [Natumi] 10/15 17:28
　　└◆1906:Re[2]:\BKinziOresen [Hiro] 10/15 18:21
　　　└◆1907:Re[3]:\BKinziOresen [田中徹] 10/15 18:47
　　　　└◆1908:Re[4]:\BKinziOresen [Hiro] 10/15 18:53
　　　　　└◆1909:Re[5]:\BKinziOresen [Hiro] 10/15 19:06
　　　　　　└◆1910:Re[6]:\BKinziOresen [tDB] 10/15 20:17
　　　　　　　├◆1911:Re[7]:\BKinziOresen [Hiro] 10/15 20:46
　　　　　　　└◆1913:Re[7]:\BKinziOresen [genio] 10/16 03:30<-last