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Theorems · Theorem · number theory

Nat.even_pow

∀ {m n : ℕ}, Even (m ^ n) ↔ Even m ∧ n ≠ 0

If m and n are natural numbers, then the natural number m^n is even if and only if m is even and n is positive.

Defined in
Mathlib.Algebra.Group.Nat.Even
Cited by
1 results in Mathlib
Foundations
Depth 55 from the axioms · uses propext, Classical.choice, Quot.sound

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  • Evenstatement and proof · cited by 444

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