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src/HOL/HOL.thy

changeset 31166 | a90fe83f58ea |

parent 31156 | 90fed3d4430f |

child 31173 | bbe9e29b9672 |

--- a/src/HOL/HOL.thy Fri May 15 10:01:57 2009 +0200 +++ b/src/HOL/HOL.thy Sat May 16 11:28:02 2009 +0200 @@ -1050,8 +1050,7 @@ "(P | False) = P" "(False | P) = P" "(P | P) = P" "(P | (P | Q)) = (P | Q)" and "(ALL x. P) = P" "(EX x. P) = P" "EX x. x=t" "EX x. t=x" - -- {* needed for the one-point-rule quantifier simplification procs *} - -- {* essential for termination!! *} and + and "!!P. (EX x. x=t & P(x)) = P(t)" "!!P. (EX x. t=x & P(x)) = P(t)" "!!P. (ALL x. x=t --> P(x)) = P(t)"