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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 9207 |
. 2
| |
| 2 | id 19 |
. . 3
| |
| 3 | df-n0 9462 |
. . 3
| |
| 4 | nnaddcl 9222 |
. . . 4
| |
| 5 | 4 | adantl 277 |
. . 3
|
| 6 | 2, 3, 5 | un0addcl 9494 |
. 2
|
| 7 | 1, 6 | mpan 424 |
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 2213 ax-sep 4212 ax-cnex 8183 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-addcom 8192 ax-addass 8194 ax-i2m1 8197 ax-0id 8200 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-iota 5293 df-fv 5341 df-ov 6031 df-inn 9203 df-n0 9462 |
| This theorem is referenced by: nn0addcli 9498 peano2nn0 9501 nn0addcld 9520 nn0readdcl 9522 difelfznle 10432 elfzodifsumelfzo 10509 expadd 10906 faclbnd6 11069 facavg 11071 ccatlen 11238 ccatrn 11252 ccatalpha 11256 swrdccat2 11318 swrdswrdlem 11351 swrdswrd 11352 swrdccatin1 11372 pfxccatin12lem3 11379 fsumnn0cl 12044 bcxmas 12130 eftlub 12331 4sqlem1 13041 nn0subm 14679 mplsubgfilemcl 14800 2sqlem7 15940 clwwlkccatlem 16341 |
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