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| Mirrors > Home > ILE Home > Th. List > nn0p1nn | Unicode version | ||
| Description: A nonnegative integer plus 1 is a positive integer. (Contributed by Raph Levien, 30-Jun-2006.) (Revised by Mario Carneiro, 16-May-2014.) |
| Ref | Expression |
|---|---|
| nn0p1nn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1nn 9315 |
. 2
| |
| 2 | nn0nnaddcl 9594 |
. 2
| |
| 3 | 1, 2 | mpan2 429 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4249 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-addass 8281 ax-i2m1 8284 ax-0id 8287 ax-rnegex 8288 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-iota 5337 df-fv 5385 df-ov 6088 df-inn 9305 df-n0 9564 |
| This theorem is used by: elnn0nn 9605 elz2 9716 peano5uzti 9754 fseq1p1m1 10501 fzonn0p1 10629 nn0ennn 10870 faccl 11173 facdiv 11176 facwordi 11178 faclbnd 11179 facubnd 11183 bcm1k 11198 bcp1n 11199 bcp1nk 11200 bcpasc 11204 hashf1 11287 ccats1pfxeqrex 11487 wrdind 11494 wrd2ind 11495 ccats1pfxeqbi 11514 bcxmas 12256 efcllemp 12425 uzwodc 12814 prmfac1 12930 pcfac 13129 4sqlem12 13181 gzsumconst 14143 gsump1 14157 plycolemc 15859 log2tlbndlog2 16082 log2ublem2 16084 log2ublog2 16086 birthdaylem2 16088 gausslemma2dlem3 16182 2lgslem1a 16207 depindlem1 16747 |
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