diff options
| -rw-r--r-- | theories/Init/Notations.v | 8 | ||||
| -rw-r--r-- | theories/Init/Peano.v | 3 | ||||
| -rw-r--r-- | theories/ZArith/Zbool.v | 4 |
3 files changed, 7 insertions, 8 deletions
diff --git a/theories/Init/Notations.v b/theories/Init/Notations.v index c4780ace52..0c628298dc 100644 --- a/theories/Init/Notations.v +++ b/theories/Init/Notations.v @@ -68,13 +68,13 @@ Reserved Notation "{ x }" (at level 0, x at level 99). (** Notations for sigma-types or subsets *) Reserved Notation "{ x | P }" (at level 0, x at level 99). -Reserved Notation "{ x | P & Q }" (at level 0, x at level 99). +Reserved Notation "{ x | P & Q }" (at level 0, x at level 99). Reserved Notation "{ x : A | P }" (at level 0, x at level 99). -Reserved Notation "{ x : A | P & Q }" (at level 0, x at level 99). +Reserved Notation "{ x : A | P & Q }" (at level 0, x at level 99). -Reserved Notation "{ x : A & P }" (at level 0, x at level 99). -Reserved Notation "{ x : A & P & Q }" (at level 0, x at level 99). +Reserved Notation "{ x : A & P }" (at level 0, x at level 99). +Reserved Notation "{ x : A & P & Q }" (at level 0, x at level 99). Delimit Scope type_scope with type. Delimit Scope core_scope with core. diff --git a/theories/Init/Peano.v b/theories/Init/Peano.v index 322a25468a..9924d8a658 100644 --- a/theories/Init/Peano.v +++ b/theories/Init/Peano.v @@ -77,8 +77,7 @@ Definition IsSucc (n:nat) : Prop := Theorem O_S : forall n:nat, 0 <> S n. Proof. - unfold not; intros n H. - inversion H. + discriminate. Qed. Hint Resolve O_S: core. diff --git a/theories/ZArith/Zbool.v b/theories/ZArith/Zbool.v index cce0438fa6..5aab73f2e0 100644 --- a/theories/ZArith/Zbool.v +++ b/theories/ZArith/Zbool.v @@ -18,9 +18,9 @@ Require Import Sumbool. Unset Boxed Definitions. Open Local Scope Z_scope. -(** * Boolean operations from decidabilty of order *) +(** * Boolean operations from decidability of order *) (** The decidability of equality and order relations over - type [Z] give some boolean functions with the adequate specification. *) + type [Z] gives some boolean functions with the adequate specification. *) Definition Z_lt_ge_bool (x y:Z) := bool_of_sumbool (Z_lt_ge_dec x y). Definition Z_ge_lt_bool (x y:Z) := bool_of_sumbool (Z_ge_lt_dec x y). |