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doc-src/TutorialI/Misc/arith3.thy
author nipkow
Tue, 31 Oct 2000 13:59:41 +0100
changeset 10363 6e8002c1790e
parent 8745 13b32661dde4
permissions -rw-r--r--
*** empty log message ***

(*<*)
theory arith3 = Main:;
(*>*)
lemma "n*n = n \\<Longrightarrow> n=0 \\<or> n=1";
(**)(*<*)
oops;
end
(*>*)
isabelle