diff options
Diffstat (limited to 'theories/Classes/EquivDec.v')
| -rw-r--r-- | theories/Classes/EquivDec.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/theories/Classes/EquivDec.v b/theories/Classes/EquivDec.v index 719a9a845..9c600b01e 100644 --- a/theories/Classes/EquivDec.v +++ b/theories/Classes/EquivDec.v @@ -53,7 +53,8 @@ Open Local Scope program_scope. (** Invert the branches. *) -Program Definition nequiv_dec `{EqDec A} (x y : A) : { x =/= y } + { x === y } := swap_sumbool (x == y). +Program Definition nequiv_dec `{EqDec A} (x y : A) : { x =/= y } + { x === y } := + swap_sumbool (x == y). (** Overloaded notation for inequality. *) @@ -138,8 +139,7 @@ Program Instance list_eqdec `(eqa : EqDec A eq) : ! EqDec (list A) eq := | _, _ => in_right end }. - Solve Obligations using unfold equiv, complement in * ; program_simpl ; intuition (discriminate || eauto). - Next Obligation. destruct y ; intuition eauto. Defined. - Solve Obligations using unfold equiv, complement in * ; program_simpl ; intuition (discriminate || eauto). + Solve Obligations using unfold equiv, complement in * ; + program_simpl ; intuition (discriminate || eauto). |