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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 9250 |
. 2
| |
| 2 | nn0nnaddcl 9529 |
. 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 4230 ax-cnex 8220 ax-resscn 8221 ax-1cn 8222 ax-1re 8223 ax-icn 8224 ax-addcl 8225 ax-addrcl 8226 ax-mulcl 8227 ax-addcom 8229 ax-addass 8231 ax-i2m1 8234 ax-0id 8237 ax-rnegex 8238 |
| 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 3217 df-in 3219 df-ss 3226 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-br 4112 df-iota 5314 df-fv 5362 df-ov 6055 df-inn 9240 df-n0 9499 |
| This theorem is referenced by: elnn0nn 9540 elz2 9651 peano5uzti 9689 fseq1p1m1 10432 fzonn0p1 10560 nn0ennn 10799 faccl 11101 facdiv 11104 facwordi 11106 faclbnd 11107 facubnd 11111 bcm1k 11126 bcp1n 11127 bcp1nk 11128 bcpasc 11132 ccats1pfxeqrex 11411 wrdind 11418 wrd2ind 11419 ccats1pfxeqbi 11438 bcxmas 12179 efcllemp 12348 uzwodc 12737 prmfac1 12853 pcfac 13052 4sqlem12 13104 gsumfzconst 14075 plycolemc 15640 gausslemma2dlem3 15953 2lgslem1a 15978 depindlem1 16518 gfsump1 16885 |
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