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Foundation
.
Modal
.
Kripke
.
Irreflexive
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Imports
Init
Foundation.Modal.Kripke.Antisymmetric
Imported by
LO
.
Modal
.
Kripke
.
Frame
.
IsIrreflexive
LO
.
Modal
.
Kripke
.
Frame
.
irrefl
LO
.
Modal
.
Kripke
.
Frame
.
IsStrictPreorder
source
@[reducible, inline]
abbrev
LO
.
Modal
.
Kripke
.
Frame
.
IsIrreflexive
(
F
:
Frame
)
:
Prop
Equations
F
.
IsIrreflexive
=
Std.Irrefl
F
.
Rel
Instances For
source
@[simp]
theorem
LO
.
Modal
.
Kripke
.
Frame
.
irrefl
{
F
:
Frame
}
[
F
.
IsIrreflexive
]
(
x
:
F
.
World
)
:
¬
x
≺
x
source
class
LO
.
Modal
.
Kripke
.
Frame
.
IsStrictPreorder
(
F
:
Frame
)
extends
Std.Irrefl
F
.
Rel
,
IsTrans
F
.
World
F
.
Rel
:
Prop
irrefl
(
a
:
F
.
World
)
:
¬
F
.
Rel
a
a
trans
(
a
b
c
:
F
.
World
)
:
F
.
Rel
a
b
→
F
.
Rel
b
c
→
F
.
Rel
a
c
Instances