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| Mirrors > Home > ILE Home > Th. List > nn0addcl | Unicode version | ||
| Description: Closure of addition of nonnegative integers. (Contributed by Raph Levien, 10-Dec-2002.) (Proof shortened by Mario Carneiro, 17-Jul-2014.) |
| Ref | Expression |
|---|---|
| nn0addcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnsscn 9288 |
. 2
| |
| 2 | id 19 |
. . 3
| |
| 3 | df-n0 9543 |
. . 3
| |
| 4 | nnaddcl 9303 |
. . . 4
| |
| 5 | 4 | adantl 277 |
. . 3
|
| 6 | 2, 3, 5 | un0addcl 9575 |
. 2
|
| 7 | 1, 6 | mpan 428 |
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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4244 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-addcom 8269 ax-addass 8271 ax-i2m1 8274 ax-0id 8277 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-iota 5332 df-fv 5380 df-ov 6078 df-inn 9284 df-n0 9543 |
| This theorem is referenced by: nn0addcli 9579 peano2nn0 9582 nn0addcld 9603 nn0readdcl 9605 difelfznle 10520 elfzodifsumelfzo 10597 expadd 10996 faclbnd6 11160 facavg 11162 ccatlen 11341 ccatrn 11355 ccatalpha 11359 swrdccat2 11421 swrdswrdlem 11454 swrdswrd 11455 swrdccatin1 11475 pfxccatin12lem3 11482 fsumnn0cl 12148 bcxmas 12234 eftlub 12435 4sqlem1 13145 nn0subm 14892 psrbagaddclfi 14984 mplsubgfilemcl 15013 2sqlem7 16154 clwwlkccatlem 16555 |
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