doc-src/TutorialI/Misc/arith3.thy
author nipkow
Thu, 26 Oct 2000 10:27:04 +0200
changeset 10340 0a380ac80e7d
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
(*>*)