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-rw-r--r--plugins/funind/functional_principles_proofs.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/funind/functional_principles_proofs.ml b/plugins/funind/functional_principles_proofs.ml
index 8da0e1c4f..a0616b308 100644
--- a/plugins/funind/functional_principles_proofs.ml
+++ b/plugins/funind/functional_principles_proofs.ml
@@ -243,7 +243,7 @@ let change_eq env sigma hyp_id (context:rel_context) x t end_of_type =
raise NoChange;
end
in
- let eq_constr c1 c2 = Evarconv.e_conv env (ref sigma) c1 c2 in
+ let eq_constr c1 c2 = Option.has_some (Evarconv.conv env sigma c1 c2) in
if not (noccurn sigma 1 end_of_type)
then nochange "dependent"; (* if end_of_type depends on this term we don't touch it *)
if not (isApp sigma t) then nochange "not an equality";