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Metamath Proof Explorer

Theorem 8ne0

Description: The number 8 is nonzero. (Contributed by SN, 22-Oct-2025)

Ref Expression
Assertion 8ne0 8 ≠ 0

Proof

Step Hyp Ref Expression
1 8nn ⊢ 8 ∈ ℕ
2 1 nnne0i ⊢ 8 ≠ 0