Metamath Proof Explorer


Theorem 6pos

Description: The number 6 is positive. (Contributed by NM, 27-May-1999) (Proof shortened by Umit Teoman Dogan, 10-Jun-2026)

Ref Expression
Assertion 6pos 0 < 6

Proof

Step Hyp Ref Expression
1 6nn 6
2 1 nngt0i 0 < 6