--- a/src/Pure/Isar/expression.ML Sun Nov 03 20:38:08 2019 +0100
+++ b/src/Pure/Isar/expression.ML Mon Nov 04 14:56:49 2019 +0100
@@ -720,8 +720,7 @@
compose_tac defs_ctxt (false, body_eq RS Drule.equal_elim_rule1, 1) 1 THEN
compose_tac defs_ctxt
(false,
- Conjunction.intr_balanced (map (Thm.assume o Thm.cterm_of defs_ctxt) norm_ts), 0) 1)
- |> tap (Thm.expose_proof defs_thy);
+ Conjunction.intr_balanced (map (Thm.assume o Thm.cterm_of defs_ctxt) norm_ts), 0) 1);
val conjuncts =
(Drule.equal_elim_rule2 OF