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doc-src/Tutorial/Misc/Exor.thy
author wenzelm
Tue, 30 Oct 2001 13:43:26 +0100
changeset 11982 65e2822d83dd
parent 5377 efb799c5ed3c
permissions -rw-r--r--
lemma Least_mono moved from Typedef.thy to Set.thy;

Exor = Main +
constdefs
 exor :: bool => bool => bool
"exor A B == (A & ~B) | (~A & B)"
end
isabelle