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