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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 9294 |
. 2
| |
| 2 | nn0nnaddcl 9573 |
. 2
| |
| 3 | 1, 2 | mpan2 429 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from 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 4244 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-addcom 8269 ax-addass 8271 ax-i2m1 8274 ax-0id 8277 ax-rnegex 8278 |
| This theorem 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 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-iota 5332 df-fv 5380 df-ov 6078 df-inn 9284 df-n0 9543 |
| This theorem is referenced by: elnn0nn 9584 elz2 9695 peano5uzti 9733 fseq1p1m1 10479 fzonn0p1 10607 nn0ennn 10848 faccl 11151 facdiv 11154 facwordi 11156 faclbnd 11157 facubnd 11161 bcm1k 11176 bcp1n 11177 bcp1nk 11178 bcpasc 11182 hashf1 11265 ccats1pfxeqrex 11465 wrdind 11472 wrd2ind 11473 ccats1pfxeqbi 11492 bcxmas 12234 efcllemp 12403 uzwodc 12792 prmfac1 12908 pcfac 13107 4sqlem12 13159 gzsumconst 14120 gsump1 14134 plycolemc 15782 gausslemma2dlem3 16096 2lgslem1a 16121 depindlem1 16661 |
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