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Diffstat (limited to 'theories/MSets/MSetInterface.v')
| -rw-r--r-- | theories/MSets/MSetInterface.v | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/theories/MSets/MSetInterface.v b/theories/MSets/MSetInterface.v index bd881168..74a7f6df 100644 --- a/theories/MSets/MSetInterface.v +++ b/theories/MSets/MSetInterface.v @@ -345,6 +345,9 @@ Module Type WRawSets (E : DecidableType). predicate [Ok]. If [Ok] isn't decidable, [isok] may be the always-false function. *) Parameter isok : t -> bool. + (** MS: + Dangerous instance, the [isok s = true] hypothesis cannot be discharged + with typeclass resolution. Is it really an instance? *) Declare Instance isok_Ok s `(isok s = true) : Ok s | 10. (** Logical predicates *) |