Mathbox for Alexander van der Vekens |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > isrnghm | Structured version Visualization version Unicode version |
Description: A function is a non-unital ring homomorphism iff it is a group homomorphism and preserves multiplication. (Contributed by AV, 22-Feb-2020.) |
Ref | Expression |
---|---|
isrnghm.b | |
isrnghm.t | |
isrnghm.m |
Ref | Expression |
---|---|
isrnghm | RngHomo Rng Rng |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rnghmrcl 41889 | . 2 RngHomo Rng Rng | |
2 | isrnghm.b | . . . . 5 | |
3 | isrnghm.t | . . . . 5 | |
4 | isrnghm.m | . . . . 5 | |
5 | eqid 2622 | . . . . 5 | |
6 | eqid 2622 | . . . . 5 | |
7 | eqid 2622 | . . . . 5 | |
8 | 2, 3, 4, 5, 6, 7 | rnghmval 41891 | . . . 4 Rng Rng RngHomo |
9 | 8 | eleq2d 2687 | . . 3 Rng Rng RngHomo |
10 | fveq1 6190 | . . . . . . . 8 | |
11 | fveq1 6190 | . . . . . . . . 9 | |
12 | fveq1 6190 | . . . . . . . . 9 | |
13 | 11, 12 | oveq12d 6668 | . . . . . . . 8 |
14 | 10, 13 | eqeq12d 2637 | . . . . . . 7 |
15 | fveq1 6190 | . . . . . . . 8 | |
16 | 11, 12 | oveq12d 6668 | . . . . . . . 8 |
17 | 15, 16 | eqeq12d 2637 | . . . . . . 7 |
18 | 14, 17 | anbi12d 747 | . . . . . 6 |
19 | 18 | 2ralbidv 2989 | . . . . 5 |
20 | 19 | elrab 3363 | . . . 4 |
21 | r19.26-2 3065 | . . . . . . 7 | |
22 | 21 | anbi2i 730 | . . . . . 6 |
23 | anass 681 | . . . . . 6 | |
24 | 22, 23 | bitr4i 267 | . . . . 5 |
25 | 2, 5, 6, 7 | isghm 17660 | . . . . . . 7 |
26 | fvex 6201 | . . . . . . . . . . 11 | |
27 | fvex 6201 | . . . . . . . . . . . 12 | |
28 | 2, 27 | eqeltri 2697 | . . . . . . . . . . 11 |
29 | 26, 28 | pm3.2i 471 | . . . . . . . . . 10 |
30 | elmapg 7870 | . . . . . . . . . 10 | |
31 | 29, 30 | mp1i 13 | . . . . . . . . 9 Rng Rng |
32 | 31 | anbi1d 741 | . . . . . . . 8 Rng Rng |
33 | rngabl 41877 | . . . . . . . . . 10 Rng | |
34 | ablgrp 18198 | . . . . . . . . . 10 | |
35 | 33, 34 | syl 17 | . . . . . . . . 9 Rng |
36 | rngabl 41877 | . . . . . . . . . 10 Rng | |
37 | ablgrp 18198 | . . . . . . . . . 10 | |
38 | 36, 37 | syl 17 | . . . . . . . . 9 Rng |
39 | ibar 525 | . . . . . . . . 9 | |
40 | 35, 38, 39 | syl2an 494 | . . . . . . . 8 Rng Rng |
41 | 32, 40 | bitr2d 269 | . . . . . . 7 Rng Rng |
42 | 25, 41 | syl5rbb 273 | . . . . . 6 Rng Rng |
43 | 42 | anbi1d 741 | . . . . 5 Rng Rng |
44 | 24, 43 | syl5bb 272 | . . . 4 Rng Rng |
45 | 20, 44 | syl5bb 272 | . . 3 Rng Rng |
46 | 9, 45 | bitrd 268 | . 2 Rng Rng RngHomo |
47 | 1, 46 | biadan2 674 | 1 RngHomo Rng Rng |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wa 384 wceq 1483 wcel 1990 wral 2912 crab 2916 cvv 3200 wf 5884 cfv 5888 (class class class)co 6650 cmap 7857 cbs 15857 cplusg 15941 cmulr 15942 cgrp 17422 cghm 17657 cabl 18194 Rngcrng 41874 RngHomo crngh 41885 |
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-rep 4771 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-reu 2919 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-pw 4160 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-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-ghm 17658 df-abl 18196 df-rng0 41875 df-rnghomo 41887 |
This theorem is referenced by: isrnghmmul 41893 rnghmghm 41898 rnghmmul 41900 isrnghm2d 41901 zrrnghm 41917 |
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