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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 9297 |
. 2
| |
| 2 | nn0nnaddcl 9576 |
. 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 4247 ax-cnex 8263 ax-resscn 8264 ax-1cn 8265 ax-1re 8266 ax-icn 8267 ax-addcl 8268 ax-addrcl 8269 ax-mulcl 8270 ax-addcom 8272 ax-addass 8274 ax-i2m1 8277 ax-0id 8280 ax-rnegex 8281 |
| 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 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-iota 5335 df-fv 5383 df-ov 6081 df-inn 9287 df-n0 9546 |
| This theorem is referenced by: elnn0nn 9587 elz2 9698 peano5uzti 9736 fseq1p1m1 10482 fzonn0p1 10610 nn0ennn 10851 faccl 11154 facdiv 11157 facwordi 11159 faclbnd 11160 facubnd 11164 bcm1k 11179 bcp1n 11180 bcp1nk 11181 bcpasc 11185 hashf1 11268 ccats1pfxeqrex 11468 wrdind 11475 wrd2ind 11476 ccats1pfxeqbi 11495 bcxmas 12237 efcllemp 12406 uzwodc 12795 prmfac1 12911 pcfac 13110 4sqlem12 13162 gzsumconst 14123 gsump1 14137 plycolemc 15785 gausslemma2dlem3 16099 2lgslem1a 16124 depindlem1 16664 |
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