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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 9318 |
. 2
| |
| 2 | nn0nnaddcl 9599 |
. 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 8271 ax-resscn 8272 ax-1cn 8273 ax-1re 8274 ax-icn 8275 ax-addcl 8276 ax-addrcl 8277 ax-mulcl 8278 ax-addcom 8280 ax-addass 8282 ax-i2m1 8285 ax-0id 8288 ax-rnegex 8289 |
| 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 9308 df-n0 9569 |
| This theorem is used by: elnn0nn 9610 elz2 9721 peano5uzti 9759 fseq1p1m1 10512 fzonn0p1 10640 nn0ennn 10885 faccl 11189 facdiv 11192 facwordi 11194 faclbnd 11195 facubnd 11199 bcm1k 11214 bcp1n 11215 bcp1nk 11216 bcpasc 11220 hashf1 11303 ccats1pfxeqrex 11503 wrdind 11510 wrd2ind 11511 ccats1pfxeqbi 11530 bcxmas 12275 efcllemp 12444 uzwodc 12833 prmfac1 12950 pcfac 13152 4sqlem12 13204 gzsumconst 14227 gsump1 14241 plycolemc 15950 log2tlbndlog2 16181 log2ublem2 16183 log2ublog2 16185 birthdaylem2 16187 chtublem 16256 bcmono 16265 bcp1ctr 16267 gausslemma2dlem3 16348 2lgslem1a 16373 depindlem1 16913 |
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