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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 9213 |
. 2
| |
| 2 | nn0nnaddcl 9492 |
. 2
| |
| 3 | 1, 2 | mpan2 425 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 ax-sep 4212 ax-cnex 8183 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-addcom 8192 ax-addass 8194 ax-i2m1 8197 ax-0id 8200 ax-rnegex 8201 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-iota 5293 df-fv 5341 df-ov 6031 df-inn 9203 df-n0 9462 |
| This theorem is referenced by: elnn0nn 9503 elz2 9612 peano5uzti 9649 fseq1p1m1 10391 fzonn0p1 10519 nn0ennn 10758 faccl 11060 facdiv 11063 facwordi 11065 faclbnd 11066 facubnd 11070 bcm1k 11085 bcp1n 11086 bcp1nk 11087 bcpasc 11091 ccats1pfxeqrex 11362 wrdind 11369 wrd2ind 11370 ccats1pfxeqbi 11389 bcxmas 12130 efcllemp 12299 uzwodc 12688 prmfac1 12804 pcfac 13003 4sqlem12 13055 gsumfzconst 14008 plycolemc 15569 gausslemma2dlem3 15882 2lgslem1a 15907 depindlem1 16447 gfsump1 16815 |
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