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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 6653, which shows that the coset of the converse epsilon relation (which is not an equivalence relation) leaves a set unchanged. See also dfcnqs 7901. (Contributed by NM, 13-Aug-1995.) |
Ref | Expression |
---|---|
mulcnsrec |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mulcnsr 7895 |
. 2
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2 | opelxpi 4691 |
. . . 4
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3 | ecidg 6653 |
. . . 4
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4 | 2, 3 | syl 14 |
. . 3
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5 | opelxpi 4691 |
. . . 4
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6 | ecidg 6653 |
. . . 4
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7 | 5, 6 | syl 14 |
. . 3
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8 | 4, 7 | oveqan12d 5937 |
. 2
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9 | simpll 527 |
. . . . . 6
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10 | simprl 529 |
. . . . . 6
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11 | mulclsr 7814 |
. . . . . 6
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12 | 9, 10, 11 | syl2anc 411 |
. . . . 5
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13 | m1r 7812 |
. . . . . 6
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14 | simplr 528 |
. . . . . . 7
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15 | simprr 531 |
. . . . . . 7
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16 | mulclsr 7814 |
. . . . . . 7
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17 | 14, 15, 16 | syl2anc 411 |
. . . . . 6
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18 | mulclsr 7814 |
. . . . . 6
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19 | 13, 17, 18 | sylancr 414 |
. . . . 5
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20 | addclsr 7813 |
. . . . 5
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21 | 12, 19, 20 | syl2anc 411 |
. . . 4
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22 | mulclsr 7814 |
. . . . . 6
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23 | 14, 10, 22 | syl2anc 411 |
. . . . 5
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24 | mulclsr 7814 |
. . . . . 6
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25 | 9, 15, 24 | syl2anc 411 |
. . . . 5
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26 | addclsr 7813 |
. . . . 5
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27 | 23, 25, 26 | syl2anc 411 |
. . . 4
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28 | opelxpi 4691 |
. . . 4
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29 | 21, 27, 28 | syl2anc 411 |
. . 3
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30 | ecidg 6653 |
. . 3
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31 | 29, 30 | syl 14 |
. 2
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32 | 1, 8, 31 | 3eqtr4d 2236 |
1
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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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-coll 4144 ax-sep 4147 ax-nul 4155 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-iinf 4620 |
This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-ral 2477 df-rex 2478 df-reu 2479 df-rab 2481 df-v 2762 df-sbc 2986 df-csb 3081 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-nul 3447 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-iun 3914 df-br 4030 df-opab 4091 df-mpt 4092 df-tr 4128 df-eprel 4320 df-id 4324 df-po 4327 df-iso 4328 df-iord 4397 df-on 4399 df-suc 4402 df-iom 4623 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 df-iota 5215 df-fun 5256 df-fn 5257 df-f 5258 df-f1 5259 df-fo 5260 df-f1o 5261 df-fv 5262 df-ov 5921 df-oprab 5922 df-mpo 5923 df-1st 6193 df-2nd 6194 df-recs 6358 df-irdg 6423 df-1o 6469 df-2o 6470 df-oadd 6473 df-omul 6474 df-er 6587 df-ec 6589 df-qs 6593 df-ni 7364 df-pli 7365 df-mi 7366 df-lti 7367 df-plpq 7404 df-mpq 7405 df-enq 7407 df-nqqs 7408 df-plqqs 7409 df-mqqs 7410 df-1nqqs 7411 df-rq 7412 df-ltnqqs 7413 df-enq0 7484 df-nq0 7485 df-0nq0 7486 df-plq0 7487 df-mq0 7488 df-inp 7526 df-i1p 7527 df-iplp 7528 df-imp 7529 df-enr 7786 df-nr 7787 df-plr 7788 df-mr 7789 df-m1r 7793 df-c 7878 df-mul 7884 |
This theorem is referenced by: axmulcom 7931 axmulass 7933 axdistr 7934 |
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