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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 9076 |
. 2
| |
| 2 | id 19 |
. . 3
| |
| 3 | df-n0 9331 |
. . 3
| |
| 4 | nnaddcl 9091 |
. . . 4
| |
| 5 | 4 | adantl 277 |
. . 3
|
| 6 | 2, 3, 5 | un0addcl 9363 |
. 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2189 ax-sep 4178 ax-cnex 8051 ax-resscn 8052 ax-1cn 8053 ax-1re 8054 ax-icn 8055 ax-addcl 8056 ax-addrcl 8057 ax-mulcl 8058 ax-addcom 8060 ax-addass 8062 ax-i2m1 8065 ax-0id 8068 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ral 2491 df-rex 2492 df-rab 2495 df-v 2778 df-un 3178 df-in 3180 df-ss 3187 df-sn 3649 df-pr 3650 df-op 3652 df-uni 3865 df-int 3900 df-br 4060 df-iota 5251 df-fv 5298 df-ov 5970 df-inn 9072 df-n0 9331 |
| This theorem is referenced by: nn0addcli 9367 peano2nn0 9370 nn0addcld 9387 nn0readdcl 9389 difelfznle 10292 elfzodifsumelfzo 10367 expadd 10763 faclbnd6 10926 facavg 10928 ccatlen 11089 ccatrn 11103 swrdccat2 11162 swrdswrdlem 11195 swrdswrd 11196 swrdccatin1 11216 pfxccatin12lem3 11223 fsumnn0cl 11829 bcxmas 11915 eftlub 12116 4sqlem1 12826 nn0subm 14460 mplsubgfilemcl 14576 2sqlem7 15713 |
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