Metamath Proof Explorer

Theorem 16nn0

Description: 16 is a nonnegative integer. (Contributed by Umit Teoman Dogan, 10-Jun-2026)

Ref Expression
Assertion 16nn0 
|- ; 1 6 e. NN0

Proof

Step Hyp Ref Expression
1 1nn0 
 |-  1 e. NN0
2 6nn0 
 |-  6 e. NN0
3 1 2 deccl 
 |-  ; 1 6 e. NN0