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Mirrors > Home > ILE Home > Th. List > nnmulcl | Unicode version |
Description: Closure of multiplication of positive integers. (Contributed by NM, 12-Jan-1997.) |
Ref | Expression |
---|---|
nnmulcl |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq2 5736 |
. . . . 5
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2 | 1 | eleq1d 2183 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
3 | 2 | imbi2d 229 |
. . 3
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4 | oveq2 5736 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | 4 | eleq1d 2183 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
6 | 5 | imbi2d 229 |
. . 3
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7 | oveq2 5736 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
8 | 7 | eleq1d 2183 |
. . . 4
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9 | 8 | imbi2d 229 |
. . 3
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10 | oveq2 5736 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
11 | 10 | eleq1d 2183 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
12 | 11 | imbi2d 229 |
. . 3
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13 | nncn 8638 |
. . . 4
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14 | mulid1 7687 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
15 | 14 | eleq1d 2183 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
16 | 15 | biimprd 157 |
. . . 4
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17 | 13, 16 | mpcom 36 |
. . 3
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18 | nnaddcl 8650 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
19 | 18 | ancoms 266 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
20 | nncn 8638 |
. . . . . . . . 9
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
21 | ax-1cn 7638 |
. . . . . . . . . . 11
![]() ![]() ![]() ![]() | |
22 | adddi 7676 |
. . . . . . . . . . 11
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
23 | 21, 22 | mp3an3 1287 |
. . . . . . . . . 10
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24 | 14 | oveq2d 5744 |
. . . . . . . . . . 11
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25 | 24 | adantr 272 |
. . . . . . . . . 10
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26 | 23, 25 | eqtrd 2147 |
. . . . . . . . 9
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27 | 13, 20, 26 | syl2an 285 |
. . . . . . . 8
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28 | 27 | eleq1d 2183 |
. . . . . . 7
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29 | 19, 28 | syl5ibr 155 |
. . . . . 6
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30 | 29 | exp4b 362 |
. . . . 5
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31 | 30 | pm2.43b 52 |
. . . 4
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32 | 31 | a2d 26 |
. . 3
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33 | 3, 6, 9, 12, 17, 32 | nnind 8646 |
. 2
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34 | 33 | impcom 124 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 681 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-10 1466 ax-11 1467 ax-i12 1468 ax-bndl 1469 ax-4 1470 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 ax-sep 4006 ax-cnex 7636 ax-resscn 7637 ax-1cn 7638 ax-1re 7639 ax-icn 7640 ax-addcl 7641 ax-addrcl 7642 ax-mulcl 7643 ax-mulcom 7646 ax-addass 7647 ax-mulass 7648 ax-distr 7649 ax-1rid 7652 ax-cnre 7656 |
This theorem depends on definitions: df-bi 116 df-3an 947 df-tru 1317 df-nf 1420 df-sb 1719 df-clab 2102 df-cleq 2108 df-clel 2111 df-nfc 2244 df-ral 2395 df-rex 2396 df-rab 2399 df-v 2659 df-un 3041 df-in 3043 df-ss 3050 df-sn 3499 df-pr 3500 df-op 3502 df-uni 3703 df-int 3738 df-br 3896 df-iota 5046 df-fv 5089 df-ov 5731 df-inn 8631 |
This theorem is referenced by: nnmulcli 8652 nndivtr 8672 nnmulcld 8679 nn0mulcl 8917 qaddcl 9329 qmulcl 9331 modqmulnn 10008 nnexpcl 10199 nnsqcl 10255 faccl 10374 facdiv 10377 faclbnd3 10382 bcrpcl 10392 trirecip 11162 lcmgcdlem 11604 lcmgcdnn 11609 |
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