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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 9265 |
. 2
| |
| 2 | nn0nnaddcl 9544 |
. 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 2216 ax-sep 4233 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-addass 8245 ax-i2m1 8248 ax-0id 8251 ax-rnegex 8252 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-iota 5317 df-fv 5365 df-ov 6061 df-inn 9255 df-n0 9514 |
| This theorem is referenced by: elnn0nn 9555 elz2 9666 peano5uzti 9704 fseq1p1m1 10450 fzonn0p1 10578 nn0ennn 10819 faccl 11122 facdiv 11125 facwordi 11127 faclbnd 11128 facubnd 11132 bcm1k 11147 bcp1n 11148 bcp1nk 11149 bcpasc 11153 ccats1pfxeqrex 11432 wrdind 11439 wrd2ind 11440 ccats1pfxeqbi 11459 bcxmas 12200 efcllemp 12369 uzwodc 12758 prmfac1 12874 pcfac 13073 4sqlem12 13125 gsumfzconst 14094 gfsump1 14108 plycolemc 15749 gausslemma2dlem3 16062 2lgslem1a 16087 depindlem1 16627 |
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