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LeanAPAP
.
Mathlib
.
Data
.
Real
.
ENNReal
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LeanAPAP
.
Mathlib
.
Data
.
Real
.
ENNReal
source
Imports
Init
Mathlib.Data.Real.ENNReal
Imported by
ENNReal
.
inv_eq_one
source
@[simp]
theorem
ENNReal
.
inv_eq_one
{x :
ENNReal
}
:
x
⁻¹
=
1
↔
x
=
1