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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 6835, which shows that the coset of the converse epsilon relation (which is not an equivalence relation) leaves a set unchanged. See also dfcnqs 8158. (Contributed by NM, 13-Aug-1995.) |
| Ref | Expression |
|---|---|
| mulcnsrec |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mulcnsr 8152 |
. 2
| |
| 2 | opelxpi 4783 |
. . . 4
| |
| 3 | ecidg 6835 |
. . . 4
| |
| 4 | 2, 3 | syl 14 |
. . 3
|
| 5 | opelxpi 4783 |
. . . 4
| |
| 6 | ecidg 6835 |
. . . 4
| |
| 7 | 5, 6 | syl 14 |
. . 3
|
| 8 | 4, 7 | oveqan12d 6071 |
. 2
|
| 9 | simpll 527 |
. . . . . 6
| |
| 10 | simprl 531 |
. . . . . 6
| |
| 11 | mulclsr 8071 |
. . . . . 6
| |
| 12 | 9, 10, 11 | syl2anc 411 |
. . . . 5
|
| 13 | m1r 8069 |
. . . . . 6
| |
| 14 | simplr 529 |
. . . . . . 7
| |
| 15 | simprr 533 |
. . . . . . 7
| |
| 16 | mulclsr 8071 |
. . . . . . 7
| |
| 17 | 14, 15, 16 | syl2anc 411 |
. . . . . 6
|
| 18 | mulclsr 8071 |
. . . . . 6
| |
| 19 | 13, 17, 18 | sylancr 414 |
. . . . 5
|
| 20 | addclsr 8070 |
. . . . 5
| |
| 21 | 12, 19, 20 | syl2anc 411 |
. . . 4
|
| 22 | mulclsr 8071 |
. . . . . 6
| |
| 23 | 14, 10, 22 | syl2anc 411 |
. . . . 5
|
| 24 | mulclsr 8071 |
. . . . . 6
| |
| 25 | 9, 15, 24 | syl2anc 411 |
. . . . 5
|
| 26 | addclsr 8070 |
. . . . 5
| |
| 27 | 23, 25, 26 | syl2anc 411 |
. . . 4
|
| 28 | opelxpi 4783 |
. . . 4
| |
| 29 | 21, 27, 28 | syl2anc 411 |
. . 3
|
| 30 | ecidg 6835 |
. . 3
| |
| 31 | 29, 30 | syl 14 |
. 2
|
| 32 | 1, 8, 31 | 3eqtr4d 2277 |
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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4227 ax-sep 4230 ax-nul 4238 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-iinf 4712 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3045 df-csb 3141 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-nul 3511 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-iun 3995 df-br 4112 df-opab 4174 df-mpt 4175 df-tr 4211 df-eprel 4412 df-id 4416 df-po 4419 df-iso 4420 df-iord 4489 df-on 4491 df-suc 4494 df-iom 4715 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-f 5358 df-f1 5359 df-fo 5360 df-f1o 5361 df-fv 5362 df-ov 6055 df-oprab 6056 df-mpo 6057 df-1st 6336 df-2nd 6337 df-recs 6538 df-irdg 6603 df-1o 6649 df-2o 6650 df-oadd 6653 df-omul 6654 df-er 6769 df-ec 6771 df-qs 6775 df-ni 7621 df-pli 7622 df-mi 7623 df-lti 7624 df-plpq 7661 df-mpq 7662 df-enq 7664 df-nqqs 7665 df-plqqs 7666 df-mqqs 7667 df-1nqqs 7668 df-rq 7669 df-ltnqqs 7670 df-enq0 7741 df-nq0 7742 df-0nq0 7743 df-plq0 7744 df-mq0 7745 df-inp 7783 df-i1p 7784 df-iplp 7785 df-imp 7786 df-enr 8043 df-nr 8044 df-plr 8045 df-mr 8046 df-m1r 8050 df-c 8135 df-mul 8141 |
| This theorem is referenced by: axmulcom 8188 axmulass 8190 axdistr 8191 |
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