changeset 27328 | 1f0ac20db386 |
parent 27326 | d3beec370964 |
child 27809 | a1e409db516b |
--- a/src/Tools/induct_tacs.ML Mon Jun 23 16:01:03 2008 +0200 +++ b/src/Tools/induct_tacs.ML Mon Jun 23 19:00:24 2008 +0200 @@ -85,8 +85,6 @@ in #1 (check_type ctxt t) end; val argss = map (map (Option.map induct_var)) varss; - val _ = forall null argss andalso raise THM ("No induction arguments", 0, []); - val rule = (case opt_rules of SOME rules => #2 (RuleCases.strict_mutual_rule ctxt rules)