better check for progress

[helm.git] / helm / software / components / tactics / inversion.mli

diff --git a/helm/software/components/tactics/inversion.mli b/helm/software/components/tactics/inversion.mli
index 50bdf58f2c4b206abb005bb37d6678f981041fcf..2c8b996ffedd4b1198de96fd5c56f0b54935b2f6 100644 (file)
--- a/helm/software/components/tactics/inversion.mli
+++ b/helm/software/components/tactics/inversion.mli
@@ -23,4 +23,7 @@
  * http://cs.unibo.it/helm/.
  *)
 
+val isSetType: Cic.term -> bool
+exception EqualityNotDefinedYet (* raised by private_inversion_tac only *)
+val private_inversion_tac: term: Cic.term -> ProofEngineTypes.tactic
 val inversion_tac: term: Cic.term -> ProofEngineTypes.tactic