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| Mirrors > Home > ILE Home > Th. List > nnsub | Unicode version | ||
| Description: Subtraction of positive integers. (Contributed by NM, 20-Aug-2001.) (Revised by Mario Carneiro, 16-May-2014.) |
| Ref | Expression |
|---|---|
| nnsub |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | breq2 3768 |
. . . . . 6
| |
| 2 | oveq1 5519 |
. . . . . . 7
| |
| 3 | 2 | eleq1d 2106 |
. . . . . 6
|
| 4 | 1, 3 | imbi12d 223 |
. . . . 5
|
| 5 | 4 | ralbidv 2326 |
. . . 4
|
| 6 | breq2 3768 |
. . . . . 6
| |
| 7 | oveq1 5519 |
. . . . . . 7
| |
| 8 | 7 | eleq1d 2106 |
. . . . . 6
|
| 9 | 6, 8 | imbi12d 223 |
. . . . 5
|
| 10 | 9 | ralbidv 2326 |
. . . 4
|
| 11 | breq2 3768 |
. . . . . 6
| |
| 12 | oveq1 5519 |
. . . . . . 7
| |
| 13 | 12 | eleq1d 2106 |
. . . . . 6
|
| 14 | 11, 13 | imbi12d 223 |
. . . . 5
|
| 15 | 14 | ralbidv 2326 |
. . . 4
|
| 16 | breq2 3768 |
. . . . . 6
| |
| 17 | oveq1 5519 |
. . . . . . 7
| |
| 18 | 17 | eleq1d 2106 |
. . . . . 6
|
| 19 | 16, 18 | imbi12d 223 |
. . . . 5
|
| 20 | 19 | ralbidv 2326 |
. . . 4
|
| 21 | nnnlt1 7940 |
. . . . . 6
| |
| 22 | 21 | pm2.21d 549 |
. . . . 5
|
| 23 | 22 | rgen 2374 |
. . . 4
|
| 24 | breq1 3767 |
. . . . . . 7
| |
| 25 | oveq2 5520 |
. . . . . . . 8
| |
| 26 | 25 | eleq1d 2106 |
. . . . . . 7
|
| 27 | 24, 26 | imbi12d 223 |
. . . . . 6
|
| 28 | 27 | cbvralv 2533 |
. . . . 5
|
| 29 | nncn 7922 |
. . . . . . . . . . . . 13
| |
| 30 | 29 | adantr 261 |
. . . . . . . . . . . 12
|
| 31 | ax-1cn 6977 |
. . . . . . . . . . . 12
| |
| 32 | pncan 7217 |
. . . . . . . . . . . 12
| |
| 33 | 30, 31, 32 | sylancl 392 |
. . . . . . . . . . 11
|
| 34 | simpl 102 |
. . . . . . . . . . 11
| |
| 35 | 33, 34 | eqeltrd 2114 |
. . . . . . . . . 10
|
| 36 | oveq2 5520 |
. . . . . . . . . . 11
| |
| 37 | 36 | eleq1d 2106 |
. . . . . . . . . 10
|
| 38 | 35, 37 | syl5ibrcom 146 |
. . . . . . . . 9
|
| 39 | 38 | a1dd 42 |
. . . . . . . 8
|
| 40 | 39 | a1dd 42 |
. . . . . . 7
|
| 41 | breq1 3767 |
. . . . . . . . . 10
| |
| 42 | oveq2 5520 |
. . . . . . . . . . 11
| |
| 43 | 42 | eleq1d 2106 |
. . . . . . . . . 10
|
| 44 | 41, 43 | imbi12d 223 |
. . . . . . . . 9
|
| 45 | 44 | rspcv 2652 |
. . . . . . . 8
|
| 46 | nnre 7921 |
. . . . . . . . . . 11
| |
| 47 | nnre 7921 |
. . . . . . . . . . 11
| |
| 48 | 1re 7026 |
. . . . . . . . . . . 12
| |
| 49 | ltsubadd 7427 |
. . . . . . . . . . . 12
| |
| 50 | 48, 49 | mp3an2 1220 |
. . . . . . . . . . 11
|
| 51 | 46, 47, 50 | syl2anr 274 |
. . . . . . . . . 10
|
| 52 | nncn 7922 |
. . . . . . . . . . . 12
| |
| 53 | subsub3 7243 |
. . . . . . . . . . . . 13
| |
| 54 | 31, 53 | mp3an3 1221 |
. . . . . . . . . . . 12
|
| 55 | 29, 52, 54 | syl2an 273 |
. . . . . . . . . . 11
|
| 56 | 55 | eleq1d 2106 |
. . . . . . . . . 10
|
| 57 | 51, 56 | imbi12d 223 |
. . . . . . . . 9
|
| 58 | 57 | biimpd 132 |
. . . . . . . 8
|
| 59 | 45, 58 | syl9r 67 |
. . . . . . 7
|
| 60 | nn1m1nn 7932 |
. . . . . . . 8
| |
| 61 | 60 | adantl 262 |
. . . . . . 7
|
| 62 | 40, 59, 61 | mpjaod 638 |
. . . . . 6
|
| 63 | 62 | ralrimdva 2399 |
. . . . 5
|
| 64 | 28, 63 | syl5bi 141 |
. . . 4
|
| 65 | 5, 10, 15, 20, 23, 64 | nnind 7930 |
. . 3
|
| 66 | breq1 3767 |
. . . . 5
| |
| 67 | oveq2 5520 |
. . . . . 6
| |
| 68 | 67 | eleq1d 2106 |
. . . . 5
|
| 69 | 66, 68 | imbi12d 223 |
. . . 4
|
| 70 | 69 | rspcva 2654 |
. . 3
|
| 71 | 65, 70 | sylan2 270 |
. 2
|
| 72 | nngt0 7939 |
. . 3
| |
| 73 | nnre 7921 |
. . . 4
| |
| 74 | nnre 7921 |
. . . 4
| |
| 75 | posdif 7450 |
. . . 4
| |
| 76 | 73, 74, 75 | syl2an 273 |
. . 3
|
| 77 | 72, 76 | syl5ibr 145 |
. 2
|
| 78 | 71, 77 | impbid 120 |
1
|
| 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 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-13 1404 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-coll 3872 ax-sep 3875 ax-nul 3883 ax-pow 3927 ax-pr 3944 ax-un 4170 ax-setind 4262 ax-iinf 4311 ax-cnex 6975 ax-resscn 6976 ax-1cn 6977 ax-1re 6978 ax-icn 6979 ax-addcl 6980 ax-addrcl 6981 ax-mulcl 6982 ax-addcom 6984 ax-addass 6986 ax-distr 6988 ax-i2m1 6989 ax-0id 6992 ax-rnegex 6993 ax-cnre 6995 ax-pre-ltirr 6996 ax-pre-ltwlin 6997 ax-pre-lttrn 6998 ax-pre-ltadd 7000 |
| This theorem depends on definitions: df-bi 110 df-dc 743 df-3or 886 df-3an 887 df-tru 1246 df-fal 1249 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ne 2206 df-nel 2207 df-ral 2311 df-rex 2312 df-reu 2313 df-rab 2315 df-v 2559 df-sbc 2765 df-csb 2853 df-dif 2920 df-un 2922 df-in 2924 df-ss 2931 df-nul 3225 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-int 3616 df-iun 3659 df-br 3765 df-opab 3819 df-mpt 3820 df-tr 3855 df-eprel 4026 df-id 4030 df-po 4033 df-iso 4034 df-iord 4103 df-on 4105 df-suc 4108 df-iom 4314 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 df-iota 4867 df-fun 4904 df-fn 4905 df-f 4906 df-f1 4907 df-fo 4908 df-f1o 4909 df-fv 4910 df-riota 5468 df-ov 5515 df-oprab 5516 df-mpt2 5517 df-1st 5767 df-2nd 5768 df-recs 5920 df-irdg 5957 df-1o 6001 df-2o 6002 df-oadd 6005 df-omul 6006 df-er 6106 df-ec 6108 df-qs 6112 df-ni 6402 df-pli 6403 df-mi 6404 df-lti 6405 df-plpq 6442 df-mpq 6443 df-enq 6445 df-nqqs 6446 df-plqqs 6447 df-mqqs 6448 df-1nqqs 6449 df-rq 6450 df-ltnqqs 6451 df-enq0 6522 df-nq0 6523 df-0nq0 6524 df-plq0 6525 df-mq0 6526 df-inp 6564 df-i1p 6565 df-iplp 6566 df-iltp 6568 df-enr 6811 df-nr 6812 df-ltr 6815 df-0r 6816 df-1r 6817 df-0 6896 df-1 6897 df-r 6899 df-lt 6902 df-pnf 7062 df-mnf 7063 df-xr 7064 df-ltxr 7065 df-le 7066 df-sub 7184 df-neg 7185 df-inn 7915 |
| This theorem is referenced by: nnsubi 7953 uz3m2nn 8515 |
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