Metamath Proof Explorer


Theorem eluz2n0

Description: An integer greater than or equal to 2 is not 0. (Contributed by AV, 25-May-2020)

Ref Expression
Assertion eluz2n0 N2N0

Proof

Step Hyp Ref Expression
1 eluz2nn N2N
2 1 nnne0d N2N0