Sat, 02 Oct 2021 12:45:51 +0200 wenzelm clarified Term.dest_abs (again, refining 71dfb835025d): only Free names are relevant for abstract terms, without syntax;
Sat, 02 Oct 2021 12:15:37 +0200 wenzelm clarified sledgehammer_provers, following d8dc8fdc46fc;
Sat, 02 Oct 2021 12:04:14 +0200 wenzelm proper term operation Term.dest_abs;
Sat, 02 Oct 2021 11:56:11 +0200 wenzelm tuned, following Syntax_Trans.variant_abs;
Sat, 02 Oct 2021 11:38:39 +0200 wenzelm proper patterns for (- numeral t), amending 03ff4d1e6784;
Sat, 02 Oct 2021 11:20:12 +0200 wenzelm tuned;
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