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Mirrors > Home > MPE Home > Th. List > oppgid | Structured version Visualization version GIF version |
Description: Zero in a monoid is a symmetric notion. (Contributed by Stefan O'Rear, 26-Aug-2015.) (Revised by Mario Carneiro, 16-Sep-2015.) |
Ref | Expression |
---|---|
oppgbas.1 | ⊢ 𝑂 = (oppg‘𝑅) |
oppgid.2 | ⊢ 0 = (0g‘𝑅) |
Ref | Expression |
---|---|
oppgid | ⊢ 0 = (0g‘𝑂) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 466 | . . . . . 6 ⊢ (((𝑥(+g‘𝑅)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑅)𝑥) = 𝑦) ↔ ((𝑦(+g‘𝑅)𝑥) = 𝑦 ∧ (𝑥(+g‘𝑅)𝑦) = 𝑦)) | |
2 | eqid 2622 | . . . . . . . . 9 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
3 | oppgbas.1 | . . . . . . . . 9 ⊢ 𝑂 = (oppg‘𝑅) | |
4 | eqid 2622 | . . . . . . . . 9 ⊢ (+g‘𝑂) = (+g‘𝑂) | |
5 | 2, 3, 4 | oppgplus 17779 | . . . . . . . 8 ⊢ (𝑥(+g‘𝑂)𝑦) = (𝑦(+g‘𝑅)𝑥) |
6 | 5 | eqeq1i 2627 | . . . . . . 7 ⊢ ((𝑥(+g‘𝑂)𝑦) = 𝑦 ↔ (𝑦(+g‘𝑅)𝑥) = 𝑦) |
7 | 2, 3, 4 | oppgplus 17779 | . . . . . . . 8 ⊢ (𝑦(+g‘𝑂)𝑥) = (𝑥(+g‘𝑅)𝑦) |
8 | 7 | eqeq1i 2627 | . . . . . . 7 ⊢ ((𝑦(+g‘𝑂)𝑥) = 𝑦 ↔ (𝑥(+g‘𝑅)𝑦) = 𝑦) |
9 | 6, 8 | anbi12i 733 | . . . . . 6 ⊢ (((𝑥(+g‘𝑂)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑂)𝑥) = 𝑦) ↔ ((𝑦(+g‘𝑅)𝑥) = 𝑦 ∧ (𝑥(+g‘𝑅)𝑦) = 𝑦)) |
10 | 1, 9 | bitr4i 267 | . . . . 5 ⊢ (((𝑥(+g‘𝑅)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑅)𝑥) = 𝑦) ↔ ((𝑥(+g‘𝑂)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑂)𝑥) = 𝑦)) |
11 | 10 | ralbii 2980 | . . . 4 ⊢ (∀𝑦 ∈ (Base‘𝑅)((𝑥(+g‘𝑅)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑅)𝑥) = 𝑦) ↔ ∀𝑦 ∈ (Base‘𝑅)((𝑥(+g‘𝑂)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑂)𝑥) = 𝑦)) |
12 | 11 | anbi2i 730 | . . 3 ⊢ ((𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(+g‘𝑅)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑅)𝑥) = 𝑦)) ↔ (𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(+g‘𝑂)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑂)𝑥) = 𝑦))) |
13 | 12 | iotabii 5873 | . 2 ⊢ (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(+g‘𝑅)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑅)𝑥) = 𝑦))) = (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(+g‘𝑂)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑂)𝑥) = 𝑦))) |
14 | eqid 2622 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
15 | oppgid.2 | . . 3 ⊢ 0 = (0g‘𝑅) | |
16 | 14, 2, 15 | grpidval 17260 | . 2 ⊢ 0 = (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(+g‘𝑅)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑅)𝑥) = 𝑦))) |
17 | 3, 14 | oppgbas 17781 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑂) |
18 | eqid 2622 | . . 3 ⊢ (0g‘𝑂) = (0g‘𝑂) | |
19 | 17, 4, 18 | grpidval 17260 | . 2 ⊢ (0g‘𝑂) = (℩𝑥(𝑥 ∈ (Base‘𝑅) ∧ ∀𝑦 ∈ (Base‘𝑅)((𝑥(+g‘𝑂)𝑦) = 𝑦 ∧ (𝑦(+g‘𝑂)𝑥) = 𝑦))) |
20 | 13, 16, 19 | 3eqtr4i 2654 | 1 ⊢ 0 = (0g‘𝑂) |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 384 = wceq 1483 ∈ wcel 1990 ∀wral 2912 ℩cio 5849 ‘cfv 5888 (class class class)co 6650 Basecbs 15857 +gcplusg 15941 0gc0g 16100 oppgcoppg 17775 |
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 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 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-nel 2898 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-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 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-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 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-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-tpos 7352 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-2 11079 df-ndx 15860 df-slot 15861 df-base 15863 df-sets 15864 df-plusg 15954 df-0g 16102 df-oppg 17776 |
This theorem is referenced by: oppggrp 17787 oppginv 17789 oppgsubm 17792 gsumwrev 17796 lsmdisj2r 18098 gsumzoppg 18344 tgpconncomp 21916 |
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