Metamath Proof Explorer
Description: A positive integer is one or greater. (Contributed by Mario Carneiro, 27-May-2016)
|
|
Ref |
Expression |
|
Hypotheses |
nndivred.1 |
|
|
|
nndivred.2 |
|
|
Assertion |
nndivred |
|
Proof
| Step |
Hyp |
Ref |
Expression |
| 1 |
|
nndivred.1 |
|
| 2 |
|
nndivred.2 |
|
| 3 |
|
nndivre |
|
| 4 |
1 2 3
|
syl2anc |
|