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Mirrors > Home > ILE Home > Th. List > sgrpass | Unicode version |
Description: A semigroup operation is associative. (Contributed by FL, 2-Nov-2009.) (Revised by AV, 30-Jan-2020.) |
Ref | Expression |
---|---|
sgrpass.b |
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sgrpass.o |
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Ref | Expression |
---|---|
sgrpass |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sgrpass.b |
. . . 4
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2 | sgrpass.o |
. . . 4
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3 | 1, 2 | issgrp 12701 |
. . 3
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4 | oveq1 5876 |
. . . . . . 7
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5 | 4 | oveq1d 5884 |
. . . . . 6
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6 | oveq1 5876 |
. . . . . 6
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7 | 5, 6 | eqeq12d 2192 |
. . . . 5
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8 | oveq2 5877 |
. . . . . . 7
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9 | 8 | oveq1d 5884 |
. . . . . 6
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10 | oveq1 5876 |
. . . . . . 7
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11 | 10 | oveq2d 5885 |
. . . . . 6
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12 | 9, 11 | eqeq12d 2192 |
. . . . 5
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13 | oveq2 5877 |
. . . . . 6
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
14 | oveq2 5877 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
15 | 14 | oveq2d 5885 |
. . . . . 6
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16 | 13, 15 | eqeq12d 2192 |
. . . . 5
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17 | 7, 12, 16 | rspc3v 2857 |
. . . 4
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18 | 17 | com12 30 |
. . 3
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19 | 3, 18 | simplbiim 387 |
. 2
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20 | 19 | imp 124 |
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 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4118 ax-pow 4171 ax-pr 4206 ax-un 4430 ax-cnex 7893 ax-resscn 7894 ax-1re 7896 ax-addrcl 7899 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2739 df-sbc 2963 df-un 3133 df-in 3135 df-ss 3142 df-pw 3576 df-sn 3597 df-pr 3598 df-op 3600 df-uni 3808 df-int 3843 df-br 4001 df-opab 4062 df-mpt 4063 df-id 4290 df-xp 4629 df-rel 4630 df-cnv 4631 df-co 4632 df-dm 4633 df-rn 4634 df-res 4635 df-iota 5174 df-fun 5214 df-fn 5215 df-fv 5220 df-ov 5872 df-inn 8909 df-2 8967 df-ndx 12448 df-slot 12449 df-base 12451 df-plusg 12531 df-sgrp 12700 |
This theorem is referenced by: mndass 12717 dfgrp2 12792 dfgrp3mlem 12857 dfgrp3me 12859 mulgnndir 12900 |
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