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Mirrors > Home > MPE Home > Th. List > Mathboxes > exidresid | Structured version Visualization version Unicode version |
Description: The restriction of a binary operation with identity to a subset containing the identity has the same identity element. (Contributed by Jeff Madsen, 8-Jun-2010.) (Revised by Mario Carneiro, 23-Dec-2013.) |
Ref | Expression |
---|---|
exidres.1 | |
exidres.2 | GId |
exidres.3 |
Ref | Expression |
---|---|
exidresid | GId |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exidres.3 | . . . . . 6 | |
2 | resexg 5442 | . . . . . 6 | |
3 | 1, 2 | syl5eqel 2705 | . . . . 5 |
4 | eqid 2622 | . . . . . 6 | |
5 | 4 | gidval 27366 | . . . . 5 GId |
6 | 3, 5 | syl 17 | . . . 4 GId |
7 | 6 | 3ad2ant1 1082 | . . 3 GId |
8 | 7 | adantr 481 | . 2 GId |
9 | exidres.1 | . . . . . . 7 | |
10 | exidres.2 | . . . . . . 7 GId | |
11 | 9, 10, 1 | exidreslem 33676 | . . . . . 6 |
12 | 11 | simprd 479 | . . . . 5 |
13 | 12 | adantr 481 | . . . 4 |
14 | 9, 10, 1 | exidres 33677 | . . . . . 6 |
15 | elin 3796 | . . . . . . . 8 | |
16 | rngopidOLD 33652 | . . . . . . . 8 | |
17 | 15, 16 | sylbir 225 | . . . . . . 7 |
18 | 17 | ancoms 469 | . . . . . 6 |
19 | 14, 18 | sylan 488 | . . . . 5 |
20 | 19 | raleqdv 3144 | . . . 4 |
21 | 13, 20 | mpbird 247 | . . 3 |
22 | 11 | simpld 475 | . . . . . 6 |
23 | 22 | adantr 481 | . . . . 5 |
24 | 23, 19 | eleqtrrd 2704 | . . . 4 |
25 | 4 | exidu1 33655 | . . . . . . 7 |
26 | 15, 25 | sylbir 225 | . . . . . 6 |
27 | 26 | ancoms 469 | . . . . 5 |
28 | 14, 27 | sylan 488 | . . . 4 |
29 | oveq1 6657 | . . . . . . . 8 | |
30 | 29 | eqeq1d 2624 | . . . . . . 7 |
31 | oveq2 6658 | . . . . . . . 8 | |
32 | 31 | eqeq1d 2624 | . . . . . . 7 |
33 | 30, 32 | anbi12d 747 | . . . . . 6 |
34 | 33 | ralbidv 2986 | . . . . 5 |
35 | 34 | riota2 6633 | . . . 4 |
36 | 24, 28, 35 | syl2anc 693 | . . 3 |
37 | 21, 36 | mpbid 222 | . 2 |
38 | 8, 37 | eqtrd 2656 | 1 GId |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 w3a 1037 wceq 1483 wcel 1990 wral 2912 wreu 2914 cvv 3200 cin 3573 wss 3574 cxp 5112 cdm 5114 crn 5115 cres 5116 cfv 5888 crio 6610 (class class class)co 6650 GIdcgi 27344 cexid 33643 cmagm 33647 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fo 5894 df-fv 5896 df-riota 6611 df-ov 6653 df-gid 27348 df-exid 33644 df-mgmOLD 33648 |
This theorem is referenced by: isdrngo2 33757 |
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