doc-src/TutorialI/Misc/arith4.thy
author wenzelm
Tue, 09 May 2000 15:10:25 +0200
changeset 8845 03a2ae3059da
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(*<*)
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theory arith4 = Main:;
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(*>*)
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lemma "\\<not> m < n \\<and> m < n+1 \\<Longrightarrow> m = n";
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(**)(*<*)
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oops;
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end
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(*>*)