Wed, 12 Oct 2022 14:50:24 +0200 desharna added lemma wfP_pfsubset
Wed, 12 Oct 2022 14:37:03 +0200 desharna added lemmas wf_if_convertible_to_wf, wfP_if_convertible_to_wfP, and wfP_if_convertible_to_nat
Wed, 12 Oct 2022 14:33:04 +0200 wenzelm update components.sha1;
Wed, 12 Oct 2022 13:47:52 +0200 wenzelm proper description;
Wed, 12 Oct 2022 08:21:07 +0200 nipkow one more lemma
Tue, 11 Oct 2022 18:52:01 +0200 nipkow merged
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