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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 9157 |
. 2
| |
| 2 | nn0nnaddcl 9436 |
. 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 ax-sep 4207 ax-cnex 8126 ax-resscn 8127 ax-1cn 8128 ax-1re 8129 ax-icn 8130 ax-addcl 8131 ax-addrcl 8132 ax-mulcl 8133 ax-addcom 8135 ax-addass 8137 ax-i2m1 8140 ax-0id 8143 ax-rnegex 8144 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-iota 5286 df-fv 5334 df-ov 6024 df-inn 9147 df-n0 9406 |
| This theorem is referenced by: elnn0nn 9447 elz2 9554 peano5uzti 9591 fseq1p1m1 10332 fzonn0p1 10460 nn0ennn 10699 faccl 11001 facdiv 11004 facwordi 11006 faclbnd 11007 facubnd 11011 bcm1k 11026 bcp1n 11027 bcp1nk 11028 bcpasc 11032 ccats1pfxeqrex 11303 wrdind 11310 wrd2ind 11311 ccats1pfxeqbi 11330 bcxmas 12071 efcllemp 12240 uzwodc 12629 prmfac1 12745 pcfac 12944 4sqlem12 12996 gsumfzconst 13949 plycolemc 15509 gausslemma2dlem3 15819 2lgslem1a 15844 depindlem1 16384 gfsump1 16746 |
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