Commit bc7d4ca9 authored by Robbert Krebbers's avatar Robbert Krebbers

Notations for X ⊆ Y ⊆ Z.

parent 33f0447a
...@@ -637,6 +637,11 @@ Notation "(⊄)" := (λ X Y, X ⊄ Y) (only parsing) : C_scope. ...@@ -637,6 +637,11 @@ Notation "(⊄)" := (λ X Y, X ⊄ Y) (only parsing) : C_scope.
Notation "( X ⊄ )" := (λ Y, X Y) (only parsing) : C_scope. Notation "( X ⊄ )" := (λ Y, X Y) (only parsing) : C_scope.
Notation "( ⊄ X )" := (λ Y, Y X) (only parsing) : C_scope. Notation "( ⊄ X )" := (λ Y, Y X) (only parsing) : C_scope.
Notation "X ⊆ Y ⊆ Z" := (X Y Y Z) (at level 70, Y at next level) : C_scope.
Notation "X ⊆ Y ⊂ Z" := (X Y Y Z) (at level 70, Y at next level) : C_scope.
Notation "X ⊂ Y ⊆ Z" := (X Y Y Z) (at level 70, Y at next level) : C_scope.
Notation "X ⊂ Y ⊂ Z" := (X Y Y Z) (at level 70, Y at next level) : C_scope.
(** The class [Lexico A] is used for the lexicographic order on [A]. This order (** The class [Lexico A] is used for the lexicographic order on [A]. This order
is used to create finite maps, finite sets, etc, and is typically different from is used to create finite maps, finite sets, etc, and is typically different from
the order [(⊆)]. *) the order [(⊆)]. *)
......
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