Metamath Proof Explorer


Theorem nndivred

Description: A positive integer is one or greater. (Contributed by Mario Carneiro, 27-May-2016)

Ref Expression
Hypotheses nndivred.1 φ A
nndivred.2 φ B
Assertion nndivred φ A B

Proof

Step Hyp Ref Expression
1 nndivred.1 φ A
2 nndivred.2 φ B
3 nndivre A B A B
4 1 2 3 syl2anc φ A B