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src/FOL/fol.thy
author paulson
Mon, 02 Jun 1997 12:15:13 +0200
changeset 3385 f59e64fe4058
parent 0 a5a9c433f639
permissions -rw-r--r--
New statement and proof of free_tv_subst_var in order to cope with new rewrite rules Un_insert_left, Un_insert_right
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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FOL = IFOL +
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rules
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classical "(~P ==> P) ==> P"
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end
isabelle