doc-src/TutorialI/Misc/arith3.thy
author wenzelm
Wed, 09 Aug 2000 20:43:03 +0200
changeset 9561 714ad541a133
parent 8745 13b32661dde4
permissions -rw-r--r--
thms "atomize";

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