author | nipkow |
Thu, 24 Jul 1997 11:20:12 +0200 | |
changeset 3573 | 7544c866315c |
parent 3572 | 5ec1589eac1b |
child 3574 | 5995ab73d790 |
--- a/src/HOL/simpdata.ML Thu Jul 24 11:13:12 1997 +0200 +++ b/src/HOL/simpdata.ML Thu Jul 24 11:20:12 1997 +0200 @@ -103,7 +103,7 @@ "(P | P) = P", "(P | (P | Q)) = (P | Q)", "((~P) = (~Q)) = (P=Q)", "(!x.P) = P", "(? x.P) = P", "? x. x=t", "? x. t=x", - "(? x. x=t & P(x)) = P(t)", (*"(? x. t=x & P(x)) = P(t)",*) + "(? x. x=t & P(x)) = P(t)", "(! x. t=x --> P(x)) = P(t)" ]; (*Add congruence rules for = (instead of ==) *)