--- a/src/HOL/Tools/Sledgehammer/sledgehammer_isar_preplay.ML Mon Jun 22 16:56:03 2015 +0200
+++ b/src/HOL/Tools/Sledgehammer/sledgehammer_isar_preplay.ML Mon Jun 22 16:56:03 2015 +0200
@@ -132,7 +132,7 @@
(case xs of
[] => t
| _ =>
- (* proof obligation: !!thesis. (!!x. A x ==> thesis) ==> thesis
+ (* proof obligation: !!thesis. (!!x1...xn. t ==> thesis) ==> thesis
(cf. "~~/src/Pure/Isar/obtain.ML") *)
let
val frees = map Free xs
@@ -140,10 +140,10 @@
Free (singleton (Variable.variant_frees ctxt frees) ("thesis", HOLogic.boolT))
val thesis_prop = HOLogic.mk_Trueprop thesis
- (* !!x1..xn. t ==> thesis (xs = [x1, .., xn]) *)
+ (* !!x1...xn. t ==> thesis *)
val inner_prop = fold_rev Logic.all frees (Logic.mk_implies (t, thesis_prop))
in
- (* !!thesis. (!!x1..xn. t ==> thesis) ==> thesis *)
+ (* !!thesis. (!!x1...xn. t ==> thesis) ==> thesis *)
Logic.all thesis (Logic.mk_implies (inner_prop, thesis_prop))
end)