src/HOL/Library/Quotient_Set.thy
Wed, 24 Aug 2011 10:59:22 +0900 Cezary Kaliszyk Quotient Package: add mem_rsp, mem_prs, tune proofs.
Tue, 23 Aug 2011 03:34:17 +0900 Cezary Kaliszyk Quotient Package: some infrastructure for lifting inside sets
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