Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > peano2nn0 | Structured version Visualization version Unicode version |
Description: Second Peano postulate for nonnegative integers. (Contributed by NM, 9-May-2004.) |
Ref | Expression |
---|---|
peano2nn0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1nn0 11308 | . 2 | |
2 | nn0addcl 11328 | . 2 | |
3 | 1, 2 | mpan2 707 | 1 |
Copyright terms: Public domain | W3C validator |