src/FOL/fol.thy
author oheimb
Tue, 07 Apr 1998 13:46:05 +0200
changeset 4800 97c3a45d092b
parent 0 a5a9c433f639
permissions -rw-r--r--
replaced option_map_SomeD by option_map_eq_Some (RS iffD1) added option_map_eq_Some to simpset(), option_map_eq_Some RS iffD1 to claset()
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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