System Message: WARNING/2 (\Psi_\infty = \sum_{i=0}^\infty \Phi_i)
latex exited with error
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This is pdfTeX, Version 3.14159265-2.6-1.40.15 (TeX Live 2014) (preloaded format=latex)
restricted \write18 enabled.
entering extended mode
(./math.tex
LaTeX2e <2011/06/27>
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(/usr/share/texlive/texmf-dist/tex/latex/base/article.cls
Document Class: article 2007/10/19 v1.4h Standard LaTeX document class
(/usr/share/texlive/texmf-dist/tex/latex/base/size12.clo))
(/usr/share/texlive/texmf-dist/tex/latex/base/inputenc.sty
! LaTeX Error: File `utf8x.def’ not found.
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l.131 \endinput
^^M
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Transcript written on math.log.