src/HOL/ex/Sketch_and_Explore.thy
Fri, 15 Oct 2021 19:25:31 +0200 wenzelm discontinued Term.dest_abs / Logic.dest_all, which are officially superseded by Variable.dest_abs etc., but there are also Term.dest_abs_global to recover existing tools easily;
Wed, 01 May 2019 10:40:40 +0000 haftmann more correct simulation of eigen context for generated Isar statements
Sat, 30 Mar 2019 15:37:27 +0100 haftmann experimental commands for proof sketching and exploration
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