doc-src/TutorialI/Misc/document/pairs.tex
author wenzelm
Mon, 22 May 2000 10:31:44 +0200
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tuned;
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\begin{isabelle}%
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~{"}let~(x,y)~=~f~z~in~(y,x){"}~{"}case~xs~of~[]~{\isasymRightarrow}~0~|~(x,y)\#zs~{\isasymRightarrow}~x+y{"}\isanewline
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\end{isabelle}%