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| Mirrors > Home > ILE Home > Th. List > enq0sym | Unicode version | ||
| Description: The equivalence relation for non-negative fractions is symmetric. Lemma for enq0er 6533. (Contributed by Jim Kingdon, 14-Nov-2019.) |
| Ref | Expression |
|---|---|
| enq0sym |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 2560 |
. . . . . . . 8
| |
| 2 | vex 2560 |
. . . . . . . 8
| |
| 3 | eleq1 2100 |
. . . . . . . . . 10
| |
| 4 | 3 | anbi1d 438 |
. . . . . . . . 9
|
| 5 | eqeq1 2046 |
. . . . . . . . . . . 12
| |
| 6 | 5 | anbi1d 438 |
. . . . . . . . . . 11
|
| 7 | 6 | anbi1d 438 |
. . . . . . . . . 10
|
| 8 | 7 | 4exbidv 1750 |
. . . . . . . . 9
|
| 9 | 4, 8 | anbi12d 442 |
. . . . . . . 8
|
| 10 | eleq1 2100 |
. . . . . . . . . 10
| |
| 11 | 10 | anbi2d 437 |
. . . . . . . . 9
|
| 12 | eqeq1 2046 |
. . . . . . . . . . . 12
| |
| 13 | 12 | anbi2d 437 |
. . . . . . . . . . 11
|
| 14 | 13 | anbi1d 438 |
. . . . . . . . . 10
|
| 15 | 14 | 4exbidv 1750 |
. . . . . . . . 9
|
| 16 | 11, 15 | anbi12d 442 |
. . . . . . . 8
|
| 17 | df-enq0 6522 |
. . . . . . . 8
| |
| 18 | 1, 2, 9, 16, 17 | brab 4009 |
. . . . . . 7
|
| 19 | 18 | biimpi 113 |
. . . . . 6
|
| 20 | opeq12 3551 |
. . . . . . . . . . 11
| |
| 21 | 20 | eqeq2d 2051 |
. . . . . . . . . 10
|
| 22 | 21 | anbi1d 438 |
. . . . . . . . 9
|
| 23 | simpl 102 |
. . . . . . . . . . 11
| |
| 24 | 23 | oveq1d 5527 |
. . . . . . . . . 10
|
| 25 | simpr 103 |
. . . . . . . . . . 11
| |
| 26 | 25 | oveq1d 5527 |
. . . . . . . . . 10
|
| 27 | 24, 26 | eqeq12d 2054 |
. . . . . . . . 9
|
| 28 | 22, 27 | anbi12d 442 |
. . . . . . . 8
|
| 29 | opeq12 3551 |
. . . . . . . . . . 11
| |
| 30 | 29 | eqeq2d 2051 |
. . . . . . . . . 10
|
| 31 | 30 | anbi2d 437 |
. . . . . . . . 9
|
| 32 | simpr 103 |
. . . . . . . . . . 11
| |
| 33 | 32 | oveq2d 5528 |
. . . . . . . . . 10
|
| 34 | simpl 102 |
. . . . . . . . . . 11
| |
| 35 | 34 | oveq2d 5528 |
. . . . . . . . . 10
|
| 36 | 33, 35 | eqeq12d 2054 |
. . . . . . . . 9
|
| 37 | 31, 36 | anbi12d 442 |
. . . . . . . 8
|
| 38 | 28, 37 | cbvex4v 1805 |
. . . . . . 7
|
| 39 | 38 | anbi2i 430 |
. . . . . 6
|
| 40 | 19, 39 | sylib 127 |
. . . . 5
|
| 41 | 19.42vv 1788 |
. . . . 5
| |
| 42 | 40, 41 | sylibr 137 |
. . . 4
|
| 43 | 19.42vv 1788 |
. . . . 5
| |
| 44 | 43 | 2exbii 1497 |
. . . 4
|
| 45 | 42, 44 | sylibr 137 |
. . 3
|
| 46 | pm3.22 252 |
. . . . . . 7
| |
| 47 | 46 | adantr 261 |
. . . . . 6
|
| 48 | pm3.22 252 |
. . . . . . 7
| |
| 49 | 48 | ad2antrl 459 |
. . . . . 6
|
| 50 | simprr 484 |
. . . . . . . 8
| |
| 51 | eleq1 2100 |
. . . . . . . . . . . . . 14
| |
| 52 | opelxp 4374 |
. . . . . . . . . . . . . 14
| |
| 53 | 51, 52 | syl6bb 185 |
. . . . . . . . . . . . 13
|
| 54 | 53 | biimpcd 148 |
. . . . . . . . . . . 12
|
| 55 | eleq1 2100 |
. . . . . . . . . . . . . 14
| |
| 56 | opelxp 4374 |
. . . . . . . . . . . . . 14
| |
| 57 | 55, 56 | syl6bb 185 |
. . . . . . . . . . . . 13
|
| 58 | 57 | biimpcd 148 |
. . . . . . . . . . . 12
|
| 59 | 54, 58 | im2anan9 530 |
. . . . . . . . . . 11
|
| 60 | 59 | imp 115 |
. . . . . . . . . 10
|
| 61 | 60 | adantrr 448 |
. . . . . . . . 9
|
| 62 | pinn 6407 |
. . . . . . . . . . . 12
| |
| 63 | nnmcom 6068 |
. . . . . . . . . . . 12
| |
| 64 | 62, 63 | sylan2 270 |
. . . . . . . . . . 11
|
| 65 | pinn 6407 |
. . . . . . . . . . . 12
| |
| 66 | nnmcom 6068 |
. . . . . . . . . . . 12
| |
| 67 | 65, 66 | sylan 267 |
. . . . . . . . . . 11
|
| 68 | 64, 67 | eqeqan12d 2055 |
. . . . . . . . . 10
|
| 69 | 68 | an42s 523 |
. . . . . . . . 9
|
| 70 | 61, 69 | syl 14 |
. . . . . . . 8
|
| 71 | 50, 70 | mpbid 135 |
. . . . . . 7
|
| 72 | 71 | eqcomd 2045 |
. . . . . 6
|
| 73 | 47, 49, 72 | jca32 293 |
. . . . 5
|
| 74 | 73 | 2eximi 1492 |
. . . 4
|
| 75 | 74 | 2eximi 1492 |
. . 3
|
| 76 | 45, 75 | syl 14 |
. 2
|
| 77 | exrot4 1581 |
. . 3
| |
| 78 | 19.42vv 1788 |
. . . . 5
| |
| 79 | 78 | 2exbii 1497 |
. . . 4
|
| 80 | 19.42vv 1788 |
. . . . 5
| |
| 81 | opeq12 3551 |
. . . . . . . . . 10
| |
| 82 | 81 | eqeq2d 2051 |
. . . . . . . . 9
|
| 83 | 82 | anbi1d 438 |
. . . . . . . 8
|
| 84 | simpl 102 |
. . . . . . . . . 10
| |
| 85 | 84 | oveq1d 5527 |
. . . . . . . . 9
|
| 86 | simpr 103 |
. . . . . . . . . 10
| |
| 87 | 86 | oveq1d 5527 |
. . . . . . . . 9
|
| 88 | 85, 87 | eqeq12d 2054 |
. . . . . . . 8
|
| 89 | 83, 88 | anbi12d 442 |
. . . . . . 7
|
| 90 | opeq12 3551 |
. . . . . . . . . 10
| |
| 91 | 90 | eqeq2d 2051 |
. . . . . . . . 9
|
| 92 | 91 | anbi2d 437 |
. . . . . . . 8
|
| 93 | simpr 103 |
. . . . . . . . . 10
| |
| 94 | 93 | oveq2d 5528 |
. . . . . . . . 9
|
| 95 | simpl 102 |
. . . . . . . . . 10
| |
| 96 | 95 | oveq2d 5528 |
. . . . . . . . 9
|
| 97 | 94, 96 | eqeq12d 2054 |
. . . . . . . 8
|
| 98 | 92, 97 | anbi12d 442 |
. . . . . . 7
|
| 99 | 89, 98 | cbvex4v 1805 |
. . . . . 6
|
| 100 | eleq1 2100 |
. . . . . . . . . 10
| |
| 101 | 100 | anbi1d 438 |
. . . . . . . . 9
|
| 102 | eqeq1 2046 |
. . . . . . . . . . . 12
| |
| 103 | 102 | anbi1d 438 |
. . . . . . . . . . 11
|
| 104 | 103 | anbi1d 438 |
. . . . . . . . . 10
|
| 105 | 104 | 4exbidv 1750 |
. . . . . . . . 9
|
| 106 | 101, 105 | anbi12d 442 |
. . . . . . . 8
|
| 107 | eleq1 2100 |
. . . . . . . . . 10
| |
| 108 | 107 | anbi2d 437 |
. . . . . . . . 9
|
| 109 | eqeq1 2046 |
. . . . . . . . . . . 12
| |
| 110 | 109 | anbi2d 437 |
. . . . . . . . . . 11
|
| 111 | 110 | anbi1d 438 |
. . . . . . . . . 10
|
| 112 | 111 | 4exbidv 1750 |
. . . . . . . . 9
|
| 113 | 108, 112 | anbi12d 442 |
. . . . . . . 8
|
| 114 | 2, 1, 106, 113, 17 | brab 4009 |
. . . . . . 7
|
| 115 | 114 | biimpri 124 |
. . . . . 6
|
| 116 | 99, 115 | sylan2br 272 |
. . . . 5
|
| 117 | 80, 116 | sylbi 114 |
. . . 4
|
| 118 | 79, 117 | sylbi 114 |
. . 3
|
| 119 | 77, 118 | sylbi 114 |
. 2
|
| 120 | 76, 119 | syl 14 |
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 |
| This theorem depends on definitions: df-bi 110 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-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-id 4030 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-ov 5515 df-oprab 5516 df-mpt2 5517 df-1st 5767 df-2nd 5768 df-recs 5920 df-irdg 5957 df-oadd 6005 df-omul 6006 df-ni 6402 df-enq0 6522 |
| This theorem is referenced by: enq0er 6533 |
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