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stdpp
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bc7d4ca9
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bc7d4ca9
authored
Jun 01, 2016
by
Robbert Krebbers
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Notations for X ⊆ Y ⊆ Z.
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theories/base.v
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bc7d4ca9
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@@ -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
,
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
is used to create finite maps, finite sets, etc, and is typically different from
the order [(⊆)]. *)
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