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doc-src/TutorialI/Misc/arith4.thy
author wenzelm
Sun, 23 Jul 2000 12:01:39 +0200
changeset 9409 e769a6f8b333
parent 8745 13b32661dde4
child 9458 c613cd06d5cf
permissions -rw-r--r--
elim?;

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