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ConNF
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Mathlib
.
Nat
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Imports
Init
Mathlib.Algebra.Ring.Parity
Imported by
Nat
.
odd_succ
Nat
.
not_even
Nat
.
not_odd
source
theorem
Nat
.
odd_succ
{n :
ℕ
}
:
Odd
n
.succ
↔
¬
Odd
n
source
theorem
Nat
.
not_even
{n :
ℕ
}
:
¬
Even
n
↔
Odd
n
source
theorem
Nat
.
not_odd
{n :
ℕ
}
:
¬
Odd
n
↔
Even
n