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| Mirrors > Home > ILE Home > Th. List > nnmsucr | Unicode version | ||
| Description: Multiplication with successor. Exercise 16 of [Enderton] p. 82. (Contributed by NM, 21-Sep-1995.) (Proof shortened by Andrew Salmon, 22-Oct-2011.) |
| Ref | Expression |
|---|---|
| nnmsucr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq2 6083 |
. . . . 5
| |
| 2 | oveq2 6083 |
. . . . . 6
| |
| 3 | id 19 |
. . . . . 6
| |
| 4 | 2, 3 | oveq12d 6093 |
. . . . 5
|
| 5 | 1, 4 | eqeq12d 2253 |
. . . 4
|
| 6 | 5 | imbi2d 230 |
. . 3
|
| 7 | oveq2 6083 |
. . . . 5
| |
| 8 | oveq2 6083 |
. . . . . 6
| |
| 9 | id 19 |
. . . . . 6
| |
| 10 | 8, 9 | oveq12d 6093 |
. . . . 5
|
| 11 | 7, 10 | eqeq12d 2253 |
. . . 4
|
| 12 | oveq2 6083 |
. . . . 5
| |
| 13 | oveq2 6083 |
. . . . . 6
| |
| 14 | id 19 |
. . . . . 6
| |
| 15 | 13, 14 | oveq12d 6093 |
. . . . 5
|
| 16 | 12, 15 | eqeq12d 2253 |
. . . 4
|
| 17 | oveq2 6083 |
. . . . 5
| |
| 18 | oveq2 6083 |
. . . . . 6
| |
| 19 | id 19 |
. . . . . 6
| |
| 20 | 18, 19 | oveq12d 6093 |
. . . . 5
|
| 21 | 17, 20 | eqeq12d 2253 |
. . . 4
|
| 22 | peano2 4737 |
. . . . . . 7
| |
| 23 | nnm0 6738 |
. . . . . . 7
| |
| 24 | 22, 23 | syl 14 |
. . . . . 6
|
| 25 | nnm0 6738 |
. . . . . 6
| |
| 26 | 24, 25 | eqtr4d 2274 |
. . . . 5
|
| 27 | peano1 4736 |
. . . . . . 7
| |
| 28 | nnmcl 6744 |
. . . . . . 7
| |
| 29 | 27, 28 | mpan2 429 |
. . . . . 6
|
| 30 | nna0 6737 |
. . . . . 6
| |
| 31 | 29, 30 | syl 14 |
. . . . 5
|
| 32 | 26, 31 | eqtr4d 2274 |
. . . 4
|
| 33 | oveq1 6082 |
. . . . . 6
| |
| 34 | peano2b 4757 |
. . . . . . . 8
| |
| 35 | nnmsuc 6740 |
. . . . . . . 8
| |
| 36 | 34, 35 | sylanb 284 |
. . . . . . 7
|
| 37 | nnmcl 6744 |
. . . . . . . . . . 11
| |
| 38 | peano2b 4757 |
. . . . . . . . . . . 12
| |
| 39 | nnaass 6748 |
. . . . . . . . . . . 12
| |
| 40 | 38, 39 | syl3an3b 1316 |
. . . . . . . . . . 11
|
| 41 | 37, 40 | syl3an1 1311 |
. . . . . . . . . 10
|
| 42 | 41 | 3expb 1235 |
. . . . . . . . 9
|
| 43 | 42 | anidms 401 |
. . . . . . . 8
|
| 44 | nnmsuc 6740 |
. . . . . . . . 9
| |
| 45 | 44 | oveq1d 6090 |
. . . . . . . 8
|
| 46 | nnaass 6748 |
. . . . . . . . . . . . . 14
| |
| 47 | 34, 46 | syl3an3b 1316 |
. . . . . . . . . . . . 13
|
| 48 | 37, 47 | syl3an1 1311 |
. . . . . . . . . . . 12
|
| 49 | 48 | 3expb 1235 |
. . . . . . . . . . 11
|
| 50 | 49 | an42s 597 |
. . . . . . . . . 10
|
| 51 | 50 | anidms 401 |
. . . . . . . . 9
|
| 52 | nnacom 6747 |
. . . . . . . . . . . 12
| |
| 53 | suceq 4542 |
. . . . . . . . . . . 12
| |
| 54 | 52, 53 | syl 14 |
. . . . . . . . . . 11
|
| 55 | nnasuc 6739 |
. . . . . . . . . . 11
| |
| 56 | nnasuc 6739 |
. . . . . . . . . . . 12
| |
| 57 | 56 | ancoms 268 |
. . . . . . . . . . 11
|
| 58 | 54, 55, 57 | 3eqtr4d 2281 |
. . . . . . . . . 10
|
| 59 | 58 | oveq2d 6091 |
. . . . . . . . 9
|
| 60 | 51, 59 | eqtr4d 2274 |
. . . . . . . 8
|
| 61 | 43, 45, 60 | 3eqtr4d 2281 |
. . . . . . 7
|
| 62 | 36, 61 | eqeq12d 2253 |
. . . . . 6
|
| 63 | 33, 62 | imbitrrid 156 |
. . . . 5
|
| 64 | 63 | expcom 116 |
. . . 4
|
| 65 | 11, 16, 21, 32, 64 | finds2 4743 |
. . 3
|
| 66 | 6, 65 | vtoclga 2889 |
. 2
|
| 67 | 66 | impcom 125 |
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-in1 623 ax-in2 624 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-14 2212 ax-ext 2220 ax-coll 4241 ax-sep 4244 ax-nul 4254 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-iinf 4730 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-tr 4225 df-id 4433 df-iord 4506 df-on 4508 df-suc 4511 df-iom 4733 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-recs 6566 df-irdg 6631 df-oadd 6681 df-omul 6682 |
| This theorem is referenced by: nnmcom 6752 |
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