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doc-src/TutorialI/Misc/arith4.thy
author wenzelm
Sat, 02 Sep 2000 22:19:03 +0200
changeset 9812 87ba969d069c
parent 9458 c613cd06d5cf
permissions -rw-r--r--
updated;

(*<*)
theory arith4 = Main:;
(*>*)
lemma "\\<not> m < n \\<and> m < n+1 \\<Longrightarrow> m = n";
(**)(*<*)
by(arith);
end
(*>*)
isabelle