doc-src/TutorialI/Misc/arith3.thy
author nipkow
Fri, 20 Oct 2000 08:46:41 +0200
changeset 10281 9554ce1c2e54
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
(*>*)