Mathbox for Alexander van der Vekens |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > mgmhmf1o | Structured version Visualization version Unicode version |
Description: A magma homomorphism is bijective iff its converse is also a magma homomorphism. (Contributed by AV, 25-Feb-2020.) |
Ref | Expression |
---|---|
mgmhmf1o.b | |
mgmhmf1o.c |
Ref | Expression |
---|---|
mgmhmf1o | MgmHom MgmHom |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mgmhmrcl 41781 | . . . . 5 MgmHom Mgm Mgm | |
2 | 1 | ancomd 467 | . . . 4 MgmHom Mgm Mgm |
3 | 2 | adantr 481 | . . 3 MgmHom Mgm Mgm |
4 | f1ocnv 6149 | . . . . . 6 | |
5 | 4 | adantl 482 | . . . . 5 MgmHom |
6 | f1of 6137 | . . . . 5 | |
7 | 5, 6 | syl 17 | . . . 4 MgmHom |
8 | simpll 790 | . . . . . . . 8 MgmHom MgmHom | |
9 | 7 | adantr 481 | . . . . . . . . 9 MgmHom |
10 | simprl 794 | . . . . . . . . 9 MgmHom | |
11 | 9, 10 | ffvelrnd 6360 | . . . . . . . 8 MgmHom |
12 | simprr 796 | . . . . . . . . 9 MgmHom | |
13 | 9, 12 | ffvelrnd 6360 | . . . . . . . 8 MgmHom |
14 | mgmhmf1o.b | . . . . . . . . 9 | |
15 | eqid 2622 | . . . . . . . . 9 | |
16 | eqid 2622 | . . . . . . . . 9 | |
17 | 14, 15, 16 | mgmhmlin 41786 | . . . . . . . 8 MgmHom |
18 | 8, 11, 13, 17 | syl3anc 1326 | . . . . . . 7 MgmHom |
19 | simplr 792 | . . . . . . . . 9 MgmHom | |
20 | f1ocnvfv2 6533 | . . . . . . . . 9 | |
21 | 19, 10, 20 | syl2anc 693 | . . . . . . . 8 MgmHom |
22 | f1ocnvfv2 6533 | . . . . . . . . 9 | |
23 | 19, 12, 22 | syl2anc 693 | . . . . . . . 8 MgmHom |
24 | 21, 23 | oveq12d 6668 | . . . . . . 7 MgmHom |
25 | 18, 24 | eqtrd 2656 | . . . . . 6 MgmHom |
26 | 1 | simpld 475 | . . . . . . . . . 10 MgmHom Mgm |
27 | 26 | adantr 481 | . . . . . . . . 9 MgmHom Mgm |
28 | 27 | adantr 481 | . . . . . . . 8 MgmHom Mgm |
29 | 14, 15 | mgmcl 17245 | . . . . . . . 8 Mgm |
30 | 28, 11, 13, 29 | syl3anc 1326 | . . . . . . 7 MgmHom |
31 | f1ocnvfv 6534 | . . . . . . 7 | |
32 | 19, 30, 31 | syl2anc 693 | . . . . . 6 MgmHom |
33 | 25, 32 | mpd 15 | . . . . 5 MgmHom |
34 | 33 | ralrimivva 2971 | . . . 4 MgmHom |
35 | 7, 34 | jca 554 | . . 3 MgmHom |
36 | mgmhmf1o.c | . . . 4 | |
37 | 36, 14, 16, 15 | ismgmhm 41783 | . . 3 MgmHom Mgm Mgm |
38 | 3, 35, 37 | sylanbrc 698 | . 2 MgmHom MgmHom |
39 | 14, 36 | mgmhmf 41784 | . . . . 5 MgmHom |
40 | 39 | adantr 481 | . . . 4 MgmHom MgmHom |
41 | ffn 6045 | . . . 4 | |
42 | 40, 41 | syl 17 | . . 3 MgmHom MgmHom |
43 | 36, 14 | mgmhmf 41784 | . . . . 5 MgmHom |
44 | 43 | adantl 482 | . . . 4 MgmHom MgmHom |
45 | ffn 6045 | . . . 4 | |
46 | 44, 45 | syl 17 | . . 3 MgmHom MgmHom |
47 | dff1o4 6145 | . . 3 | |
48 | 42, 46, 47 | sylanbrc 698 | . 2 MgmHom MgmHom |
49 | 38, 48 | impbida 877 | 1 MgmHom MgmHom |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 wral 2912 ccnv 5113 wfn 5883 wf 5884 wf1o 5887 cfv 5888 (class class class)co 6650 cbs 15857 cplusg 15941 Mgmcmgm 17240 MgmHom cmgmhm 41777 |
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-pow 4843 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-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 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-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-map 7859 df-mgm 17242 df-mgmhm 41779 |
This theorem is referenced by: rnghmf1o 41903 |
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