src/HOL/HOL.thy
changeset 31173 bbe9e29b9672
parent 31172 74d72ba262fb
parent 31166 a90fe83f58ea
child 31299 0c5baf034d0e
     1.1 --- a/src/HOL/HOL.thy	Sat May 16 15:23:52 2009 +0200
     1.2 +++ b/src/HOL/HOL.thy	Sat May 16 15:24:35 2009 +0200
     1.3 @@ -1050,8 +1050,7 @@
     1.4      "(P | False) = P"  "(False | P) = P"
     1.5      "(P | P) = P"  "(P | (P | Q)) = (P | Q)" and
     1.6      "(ALL x. P) = P"  "(EX x. P) = P"  "EX x. x=t"  "EX x. t=x"
     1.7 -    -- {* needed for the one-point-rule quantifier simplification procs *}
     1.8 -    -- {* essential for termination!! *} and
     1.9 +  and
    1.10      "!!P. (EX x. x=t & P(x)) = P(t)"
    1.11      "!!P. (EX x. t=x & P(x)) = P(t)"
    1.12      "!!P. (ALL x. x=t --> P(x)) = P(t)"