doc-src/Tutorial/Misc/exorgoal.ML
author wenzelm
Wed, 23 Jan 2002 16:57:33 +0100
changeset 12837 74ce01905e57
parent 5377 efb799c5ed3c
permissions -rw-r--r--
* HOL: nat_number_of;

Goalw [exor_def] "exor A (~A)";