Metamath Proof Explorer


Theorem 25nn0

Description: 25 is a nonnegative integer. (Contributed by Umit Teoman Dogan, 10-Jun-2026)

Ref Expression
Assertion 25nn0 2 5 ∈ ℕ0

Proof

Step Hyp Ref Expression
1 2nn0 2 ∈ ℕ0
2 5nn0 5 ∈ ℕ0
3 1 2 deccl 2 5 ∈ ℕ0