src/HOL/ZF/LProd.thy
Mon, 05 Jun 2006 14:22:58 +0200 krauss Added [simp]-lemmas "in_inv_image" and "in_lex_prod" in the spirit of "in_measure".
Tue, 07 Mar 2006 16:03:31 +0100 obua Added HOL-ZF to Isabelle.
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