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Mirrors > Home > ILE Home > Th. List > mulcnsrec | Unicode version |
Description: Technical trick to permit re-use of some equivalence class lemmas for operation laws. The trick involves ecidg 6573, which shows that the coset of the converse epsilon relation (which is not an equivalence relation) leaves a set unchanged. See also dfcnqs 7790. (Contributed by NM, 13-Aug-1995.) |
Ref | Expression |
---|---|
mulcnsrec |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mulcnsr 7784 | . 2 | |
2 | opelxpi 4641 | . . . 4 | |
3 | ecidg 6573 | . . . 4 | |
4 | 2, 3 | syl 14 | . . 3 |
5 | opelxpi 4641 | . . . 4 | |
6 | ecidg 6573 | . . . 4 | |
7 | 5, 6 | syl 14 | . . 3 |
8 | 4, 7 | oveqan12d 5869 | . 2 |
9 | simpll 524 | . . . . . 6 | |
10 | simprl 526 | . . . . . 6 | |
11 | mulclsr 7703 | . . . . . 6 | |
12 | 9, 10, 11 | syl2anc 409 | . . . . 5 |
13 | m1r 7701 | . . . . . 6 | |
14 | simplr 525 | . . . . . . 7 | |
15 | simprr 527 | . . . . . . 7 | |
16 | mulclsr 7703 | . . . . . . 7 | |
17 | 14, 15, 16 | syl2anc 409 | . . . . . 6 |
18 | mulclsr 7703 | . . . . . 6 | |
19 | 13, 17, 18 | sylancr 412 | . . . . 5 |
20 | addclsr 7702 | . . . . 5 | |
21 | 12, 19, 20 | syl2anc 409 | . . . 4 |
22 | mulclsr 7703 | . . . . . 6 | |
23 | 14, 10, 22 | syl2anc 409 | . . . . 5 |
24 | mulclsr 7703 | . . . . . 6 | |
25 | 9, 15, 24 | syl2anc 409 | . . . . 5 |
26 | addclsr 7702 | . . . . 5 | |
27 | 23, 25, 26 | syl2anc 409 | . . . 4 |
28 | opelxpi 4641 | . . . 4 | |
29 | 21, 27, 28 | syl2anc 409 | . . 3 |
30 | ecidg 6573 | . . 3 | |
31 | 29, 30 | syl 14 | . 2 |
32 | 1, 8, 31 | 3eqtr4d 2213 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1348 wcel 2141 cop 3584 cep 4270 cxp 4607 ccnv 4608 (class class class)co 5850 cec 6507 cnr 7246 cm1r 7249 cplr 7250 cmr 7251 cmul 7766 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-coll 4102 ax-sep 4105 ax-nul 4113 ax-pow 4158 ax-pr 4192 ax-un 4416 ax-setind 4519 ax-iinf 4570 |
This theorem depends on definitions: df-bi 116 df-dc 830 df-3or 974 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-ral 2453 df-rex 2454 df-reu 2455 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-nul 3415 df-pw 3566 df-sn 3587 df-pr 3588 df-op 3590 df-uni 3795 df-int 3830 df-iun 3873 df-br 3988 df-opab 4049 df-mpt 4050 df-tr 4086 df-eprel 4272 df-id 4276 df-po 4279 df-iso 4280 df-iord 4349 df-on 4351 df-suc 4354 df-iom 4573 df-xp 4615 df-rel 4616 df-cnv 4617 df-co 4618 df-dm 4619 df-rn 4620 df-res 4621 df-ima 4622 df-iota 5158 df-fun 5198 df-fn 5199 df-f 5200 df-f1 5201 df-fo 5202 df-f1o 5203 df-fv 5204 df-ov 5853 df-oprab 5854 df-mpo 5855 df-1st 6116 df-2nd 6117 df-recs 6281 df-irdg 6346 df-1o 6392 df-2o 6393 df-oadd 6396 df-omul 6397 df-er 6509 df-ec 6511 df-qs 6515 df-ni 7253 df-pli 7254 df-mi 7255 df-lti 7256 df-plpq 7293 df-mpq 7294 df-enq 7296 df-nqqs 7297 df-plqqs 7298 df-mqqs 7299 df-1nqqs 7300 df-rq 7301 df-ltnqqs 7302 df-enq0 7373 df-nq0 7374 df-0nq0 7375 df-plq0 7376 df-mq0 7377 df-inp 7415 df-i1p 7416 df-iplp 7417 df-imp 7418 df-enr 7675 df-nr 7676 df-plr 7677 df-mr 7678 df-m1r 7682 df-c 7767 df-mul 7773 |
This theorem is referenced by: axmulcom 7820 axmulass 7822 axdistr 7823 |
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