Metamath Proof Explorer


Theorem nn0ssge0

Description: Nonnegative integers are nonnegative reals. (Contributed by Glauco Siliprandi, 11-Oct-2020)

Ref Expression
Assertion nn0ssge0 0 0 +∞

Proof

Step Hyp Ref Expression
1 nn0rp0 n 0 n 0 +∞
2 1 ssriv 0 0 +∞