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Mirrors > Home > ILE Home > Th. List > dvrass | Unicode version |
Description: An associative law for division. (divassap 8676 analog.) (Contributed by Mario Carneiro, 4-Dec-2014.) |
Ref | Expression |
---|---|
dvrass.b |
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dvrass.o |
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dvrass.d |
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dvrass.t |
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Ref | Expression |
---|---|
dvrass |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 109 |
. . 3
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2 | simpr1 1005 |
. . 3
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3 | simpr2 1006 |
. . 3
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4 | simpr3 1007 |
. . . 4
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5 | dvrass.o |
. . . . 5
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6 | eqid 2189 |
. . . . 5
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7 | dvrass.b |
. . . . 5
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8 | 5, 6, 7 | ringinvcl 13472 |
. . . 4
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9 | 4, 8 | syldan 282 |
. . 3
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10 | dvrass.t |
. . . 4
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11 | 7, 10 | ringass 13367 |
. . 3
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12 | 1, 2, 3, 9, 11 | syl13anc 1251 |
. 2
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13 | 7 | a1i 9 |
. . 3
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14 | 10 | a1i 9 |
. . 3
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15 | 5 | a1i 9 |
. . 3
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16 | 6 | a1i 9 |
. . 3
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17 | dvrass.d |
. . . 4
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18 | 17 | a1i 9 |
. . 3
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19 | 7, 10 | ringcl 13364 |
. . . 4
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20 | 19 | 3adant3r3 1216 |
. . 3
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21 | 13, 14, 15, 16, 18, 1, 20, 4 | dvrvald 13481 |
. 2
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22 | 13, 14, 15, 16, 18, 1, 3, 4 | dvrvald 13481 |
. . 3
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23 | 22 | oveq2d 5911 |
. 2
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24 | 12, 21, 23 | 3eqtr4d 2232 |
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 2162 ax-14 2163 ax-ext 2171 ax-coll 4133 ax-sep 4136 ax-nul 4144 ax-pow 4192 ax-pr 4227 ax-un 4451 ax-setind 4554 ax-cnex 7931 ax-resscn 7932 ax-1cn 7933 ax-1re 7934 ax-icn 7935 ax-addcl 7936 ax-addrcl 7937 ax-mulcl 7938 ax-addcom 7940 ax-addass 7942 ax-i2m1 7945 ax-0lt1 7946 ax-0id 7948 ax-rnegex 7949 ax-pre-ltirr 7952 ax-pre-lttrn 7954 ax-pre-ltadd 7956 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ne 2361 df-nel 2456 df-ral 2473 df-rex 2474 df-reu 2475 df-rmo 2476 df-rab 2477 df-v 2754 df-sbc 2978 df-csb 3073 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-nul 3438 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-int 3860 df-iun 3903 df-br 4019 df-opab 4080 df-mpt 4081 df-id 4311 df-xp 4650 df-rel 4651 df-cnv 4652 df-co 4653 df-dm 4654 df-rn 4655 df-res 4656 df-ima 4657 df-iota 5196 df-fun 5237 df-fn 5238 df-f 5239 df-f1 5240 df-fo 5241 df-f1o 5242 df-fv 5243 df-riota 5851 df-ov 5898 df-oprab 5899 df-mpo 5900 df-1st 6164 df-2nd 6165 df-tpos 6269 df-pnf 8023 df-mnf 8024 df-ltxr 8026 df-inn 8949 df-2 9007 df-3 9008 df-ndx 12514 df-slot 12515 df-base 12517 df-sets 12518 df-iress 12519 df-plusg 12599 df-mulr 12600 df-0g 12760 df-mgm 12829 df-sgrp 12862 df-mnd 12875 df-grp 12945 df-minusg 12946 df-cmn 13222 df-abl 13223 df-mgp 13272 df-ur 13311 df-srg 13315 df-ring 13349 df-oppr 13415 df-dvdsr 13436 df-unit 13437 df-invr 13468 df-dvr 13479 |
This theorem is referenced by: dvrcan3 13488 |
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