doc-src/TutorialI/Misc/arith4.thy
author wenzelm
Thu, 27 Jul 2000 18:27:25 +0200
changeset 9456 880794f48ce6
parent 8745 13b32661dde4
child 9458 c613cd06d5cf
permissions -rw-r--r--
added theory While;

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