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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 9153 |
. 2
| |
| 2 | nn0nnaddcl 9432 |
. 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 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-addass 8133 ax-i2m1 8136 ax-0id 8139 ax-rnegex 8140 |
| 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 6020 df-inn 9143 df-n0 9402 |
| This theorem is referenced by: elnn0nn 9443 elz2 9550 peano5uzti 9587 fseq1p1m1 10328 fzonn0p1 10455 nn0ennn 10694 faccl 10996 facdiv 10999 facwordi 11001 faclbnd 11002 facubnd 11006 bcm1k 11021 bcp1n 11022 bcp1nk 11023 bcpasc 11027 ccats1pfxeqrex 11295 wrdind 11302 wrd2ind 11303 ccats1pfxeqbi 11322 bcxmas 12049 efcllemp 12218 uzwodc 12607 prmfac1 12723 pcfac 12922 4sqlem12 12974 gsumfzconst 13927 plycolemc 15481 gausslemma2dlem3 15791 2lgslem1a 15816 |
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