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Mirrors > Home > ILE Home > Th. List > grpasscan2 | Unicode version |
Description: An associative cancellation law for groups. (Contributed by Paul Chapman, 17-Apr-2009.) (Revised by AV, 30-Aug-2021.) |
Ref | Expression |
---|---|
grplcan.b |
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grplcan.p |
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grpasscan1.n |
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Ref | Expression |
---|---|
grpasscan2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 999 |
. . 3
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2 | simp2 1000 |
. . 3
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3 | grplcan.b |
. . . . 5
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4 | grpasscan1.n |
. . . . 5
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5 | 3, 4 | grpinvcl 12964 |
. . . 4
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6 | 5 | 3adant2 1018 |
. . 3
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7 | simp3 1001 |
. . 3
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8 | grplcan.p |
. . . 4
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9 | 3, 8 | grpass 12926 |
. . 3
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10 | 1, 2, 6, 7, 9 | syl13anc 1251 |
. 2
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11 | eqid 2189 |
. . . . 5
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12 | 3, 8, 11, 4 | grplinv 12966 |
. . . 4
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13 | 12 | 3adant2 1018 |
. . 3
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14 | 13 | oveq2d 5907 |
. 2
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15 | 3, 8, 11 | grprid 12948 |
. . 3
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16 | 15 | 3adant3 1019 |
. 2
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17 | 10, 14, 16 | 3eqtrd 2226 |
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-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-pow 4189 ax-pr 4224 ax-un 4448 ax-cnex 7921 ax-resscn 7922 ax-1re 7924 ax-addrcl 7927 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 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-ral 2473 df-rex 2474 df-reu 2475 df-rmo 2476 df-rab 2477 df-v 2754 df-sbc 2978 df-csb 3073 df-un 3148 df-in 3150 df-ss 3157 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 4308 df-xp 4647 df-rel 4648 df-cnv 4649 df-co 4650 df-dm 4651 df-rn 4652 df-res 4653 df-ima 4654 df-iota 5193 df-fun 5233 df-fn 5234 df-f 5235 df-f1 5236 df-fo 5237 df-f1o 5238 df-fv 5239 df-riota 5847 df-ov 5894 df-inn 8939 df-2 8997 df-ndx 12489 df-slot 12490 df-base 12492 df-plusg 12574 df-0g 12735 df-mgm 12804 df-sgrp 12837 df-mnd 12850 df-grp 12920 df-minusg 12921 |
This theorem is referenced by: mulgaddcomlem 13057 |
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