Sun, 09 Oct 2022 16:24:50 +0200 desharna added lemmas antisym_if_asym and antisymp_if_asymp
Sun, 09 Oct 2022 16:10:52 +0200 desharna strengthened lemma total_on_singleton and added lemma totalp_on_singleton
Sat, 08 Oct 2022 18:35:53 +0200 nipkow generalized type classes as suggested by Jeremy Sylvestre
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