Metamath Proof Explorer


Theorem 10pos

Description: The number 10 is positive. (Contributed by NM, 5-Feb-2007) (Revised by AV, 8-Sep-2021)

Ref Expression
Assertion 10pos ⊢ 0 < 10

Proof

Step Hyp Ref Expression
1 10nn ⊢ 10 ∈ ℕ
2 1 nngt0i ⊢ 0 < 10