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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 9144 |
. 2
| |
| 2 | nn0nnaddcl 9423 |
. 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-sep 4205 ax-cnex 8113 ax-resscn 8114 ax-1cn 8115 ax-1re 8116 ax-icn 8117 ax-addcl 8118 ax-addrcl 8119 ax-mulcl 8120 ax-addcom 8122 ax-addass 8124 ax-i2m1 8127 ax-0id 8130 ax-rnegex 8131 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-iota 5284 df-fv 5332 df-ov 6016 df-inn 9134 df-n0 9393 |
| This theorem is referenced by: elnn0nn 9434 elz2 9541 peano5uzti 9578 fseq1p1m1 10319 fzonn0p1 10446 nn0ennn 10685 faccl 10987 facdiv 10990 facwordi 10992 faclbnd 10993 facubnd 10997 bcm1k 11012 bcp1n 11013 bcp1nk 11014 bcpasc 11018 ccats1pfxeqrex 11286 wrdind 11293 wrd2ind 11294 ccats1pfxeqbi 11313 bcxmas 12040 efcllemp 12209 uzwodc 12598 prmfac1 12714 pcfac 12913 4sqlem12 12965 gsumfzconst 13918 plycolemc 15472 gausslemma2dlem3 15782 2lgslem1a 15807 |
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