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PiBaseLean
.
Properties
.
P89
.
Defs
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source
Imports
Init
Mathlib.Topology.ContinuousMap.Basic
Imported by
PiBase
.
FixedPointSpace
source
class
PiBase
.
FixedPointSpace
(
X
:
Type
u_1)
[
TopologicalSpace
X
]
:
Prop
fixed_point
(
f
:
C(
X
,
X
)
)
:
∃ (
x
:
X
),
Function.IsFixedPt
(⇑
f
)
x
Instances