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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 5926 |
. . . . 5
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2 | 1 | eleq1d 2262 |
. . . 4
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3 | 2 | imbi2d 230 |
. . 3
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4 | oveq2 5926 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | 4 | eleq1d 2262 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
6 | 5 | imbi2d 230 |
. . 3
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7 | oveq2 5926 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
8 | 7 | eleq1d 2262 |
. . . 4
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9 | 8 | imbi2d 230 |
. . 3
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10 | oveq2 5926 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
11 | 10 | eleq1d 2262 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
12 | 11 | imbi2d 230 |
. . 3
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13 | nncn 8990 |
. . . 4
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14 | mulrid 8016 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
15 | 14 | eleq1d 2262 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
16 | 15 | biimprd 158 |
. . . 4
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17 | 13, 16 | mpcom 36 |
. . 3
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18 | nnaddcl 9002 |
. . . . . . . 8
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
19 | 18 | ancoms 268 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
20 | nncn 8990 |
. . . . . . . . 9
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21 | ax-1cn 7965 |
. . . . . . . . . . 11
![]() ![]() ![]() ![]() | |
22 | adddi 8004 |
. . . . . . . . . . 11
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
23 | 21, 22 | mp3an3 1337 |
. . . . . . . . . 10
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24 | 14 | oveq2d 5934 |
. . . . . . . . . . 11
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25 | 24 | adantr 276 |
. . . . . . . . . 10
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26 | 23, 25 | eqtrd 2226 |
. . . . . . . . 9
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27 | 13, 20, 26 | syl2an 289 |
. . . . . . . 8
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28 | 27 | eleq1d 2262 |
. . . . . . 7
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29 | 19, 28 | imbitrrid 156 |
. . . . . 6
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30 | 29 | exp4b 367 |
. . . . 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 8998 |
. 2
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34 | 33 | impcom 125 |
1
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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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2175 ax-sep 4147 ax-cnex 7963 ax-resscn 7964 ax-1cn 7965 ax-1re 7966 ax-icn 7967 ax-addcl 7968 ax-addrcl 7969 ax-mulcl 7970 ax-mulcom 7973 ax-addass 7974 ax-mulass 7975 ax-distr 7976 ax-1rid 7979 ax-cnre 7983 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-un 3157 df-in 3159 df-ss 3166 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-br 4030 df-iota 5215 df-fv 5262 df-ov 5921 df-inn 8983 |
This theorem is referenced by: nnmulcli 9004 nndivtr 9024 nnmulcld 9031 nn0mulcl 9276 qaddcl 9700 qmulcl 9702 modqmulnn 10413 nnexpcl 10623 nnsqcl 10680 faccl 10806 facdiv 10809 faclbnd3 10814 bcrpcl 10824 trirecip 11644 fprodnncl 11753 lcmgcdlem 12215 lcmgcdnn 12220 pcmptcl 12480 pcmpt 12481 4sqlem12 12540 mulgnnass 13227 lgseisenlem1 15186 lgseisenlem2 15187 lgseisenlem3 15188 lgseisenlem4 15189 lgsquadlem1 15191 |
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