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Thu, 16 Jun 2011 13:50:35 +0200 gave up an optimization that sometimes lead to unsound proofs -- in short, facts talking about a schematic type variable can encode a cardinality constraint and be consistent with HOL, e.g. "card (UNIV::?'a set) = 1 ==> ALL x y. x = y"
changeset
blanchet [Thu, 16 Jun 2011 13:50:35 +0200] rev 43423
gave up an optimization that sometimes lead to unsound proofs -- in short, facts talking about a schematic type variable can encode a cardinality constraint and be consistent with HOL, e.g. "card (UNIV::?'a set) = 1 ==> ALL x y. x = y"
Thu, 16 Jun 2011 13:50:35 +0200 added missing case in pattern matching -- solves Waldmeister "Match" exceptions that have been plaguing some users
changeset
blanchet [Thu, 16 Jun 2011 13:50:35 +0200] rev 43422
added missing case in pattern matching -- solves Waldmeister "Match" exceptions that have been plaguing some users
Thu, 16 Jun 2011 13:50:35 +0200 fixed soundness bug related to extensionality
changeset
blanchet [Thu, 16 Jun 2011 13:50:35 +0200] rev 43421
fixed soundness bug related to extensionality
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