Fri, 15 Oct 2021 21:10:54 +0200 wenzelm proper p' instead of p (amending 52c7c42e7e27);
Fri, 15 Oct 2021 20:54:13 +0200 wenzelm proper context for Goal.prove_internal;
Fri, 15 Oct 2021 19:25:31 +0200 wenzelm discontinued Term.dest_abs / Logic.dest_all, which are officially superseded by Variable.dest_abs etc., but there are also Term.dest_abs_global to recover existing tools easily;
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