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Mirrors > Home > MPE Home > Th. List > ngpinvds | Structured version Visualization version GIF version |
Description: Two elements are the same distance apart as their inverses. (Contributed by Mario Carneiro, 4-Oct-2015.) |
Ref | Expression |
---|---|
ngpinvds.x | ⊢ 𝑋 = (Base‘𝐺) |
ngpinvds.i | ⊢ 𝐼 = (invg‘𝐺) |
ngpinvds.d | ⊢ 𝐷 = (dist‘𝐺) |
Ref | Expression |
---|---|
ngpinvds | ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → ((𝐼‘𝐴)𝐷(𝐼‘𝐵)) = (𝐴𝐷𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ngpinvds.x | . . . 4 ⊢ 𝑋 = (Base‘𝐺) | |
2 | eqid 2737 | . . . 4 ⊢ (-g‘𝐺) = (-g‘𝐺) | |
3 | ngpinvds.i | . . . 4 ⊢ 𝐼 = (invg‘𝐺) | |
4 | simplr 766 | . . . 4 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → 𝐺 ∈ Abel) | |
5 | simprr 770 | . . . 4 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → 𝐵 ∈ 𝑋) | |
6 | simprl 768 | . . . 4 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → 𝐴 ∈ 𝑋) | |
7 | 1, 2, 3, 4, 5, 6 | ablsub2inv 19479 | . . 3 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → ((𝐼‘𝐵)(-g‘𝐺)(𝐼‘𝐴)) = (𝐴(-g‘𝐺)𝐵)) |
8 | 7 | fveq2d 6813 | . 2 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → ((norm‘𝐺)‘((𝐼‘𝐵)(-g‘𝐺)(𝐼‘𝐴))) = ((norm‘𝐺)‘(𝐴(-g‘𝐺)𝐵))) |
9 | simpll 764 | . . 3 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → 𝐺 ∈ NrmGrp) | |
10 | ngpgrp 23826 | . . . . 5 ⊢ (𝐺 ∈ NrmGrp → 𝐺 ∈ Grp) | |
11 | 9, 10 | syl 17 | . . . 4 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → 𝐺 ∈ Grp) |
12 | 1, 3 | grpinvcl 18694 | . . . 4 ⊢ ((𝐺 ∈ Grp ∧ 𝐴 ∈ 𝑋) → (𝐼‘𝐴) ∈ 𝑋) |
13 | 11, 6, 12 | syl2anc 584 | . . 3 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → (𝐼‘𝐴) ∈ 𝑋) |
14 | 1, 3 | grpinvcl 18694 | . . . 4 ⊢ ((𝐺 ∈ Grp ∧ 𝐵 ∈ 𝑋) → (𝐼‘𝐵) ∈ 𝑋) |
15 | 11, 5, 14 | syl2anc 584 | . . 3 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → (𝐼‘𝐵) ∈ 𝑋) |
16 | eqid 2737 | . . . 4 ⊢ (norm‘𝐺) = (norm‘𝐺) | |
17 | ngpinvds.d | . . . 4 ⊢ 𝐷 = (dist‘𝐺) | |
18 | 16, 1, 2, 17 | ngpdsr 23832 | . . 3 ⊢ ((𝐺 ∈ NrmGrp ∧ (𝐼‘𝐴) ∈ 𝑋 ∧ (𝐼‘𝐵) ∈ 𝑋) → ((𝐼‘𝐴)𝐷(𝐼‘𝐵)) = ((norm‘𝐺)‘((𝐼‘𝐵)(-g‘𝐺)(𝐼‘𝐴)))) |
19 | 9, 13, 15, 18 | syl3anc 1370 | . 2 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → ((𝐼‘𝐴)𝐷(𝐼‘𝐵)) = ((norm‘𝐺)‘((𝐼‘𝐵)(-g‘𝐺)(𝐼‘𝐴)))) |
20 | 16, 1, 2, 17 | ngpds 23831 | . . 3 ⊢ ((𝐺 ∈ NrmGrp ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝐴𝐷𝐵) = ((norm‘𝐺)‘(𝐴(-g‘𝐺)𝐵))) |
21 | 9, 6, 5, 20 | syl3anc 1370 | . 2 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → (𝐴𝐷𝐵) = ((norm‘𝐺)‘(𝐴(-g‘𝐺)𝐵))) |
22 | 8, 19, 21 | 3eqtr4d 2787 | 1 ⊢ (((𝐺 ∈ NrmGrp ∧ 𝐺 ∈ Abel) ∧ (𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋)) → ((𝐼‘𝐴)𝐷(𝐼‘𝐵)) = (𝐴𝐷𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1540 ∈ wcel 2105 ‘cfv 6463 (class class class)co 7313 Basecbs 16979 distcds 17038 Grpcgrp 18644 invgcminusg 18645 -gcsg 18646 Abelcabl 19454 normcnm 23803 NrmGrpcngp 23804 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2708 ax-sep 5236 ax-nul 5243 ax-pow 5301 ax-pr 5365 ax-un 7626 ax-cnex 10997 ax-resscn 10998 ax-1cn 10999 ax-icn 11000 ax-addcl 11001 ax-addrcl 11002 ax-mulcl 11003 ax-mulrcl 11004 ax-mulcom 11005 ax-addass 11006 ax-mulass 11007 ax-distr 11008 ax-i2m1 11009 ax-1ne0 11010 ax-1rid 11011 ax-rnegex 11012 ax-rrecex 11013 ax-cnre 11014 ax-pre-lttri 11015 ax-pre-lttrn 11016 ax-pre-ltadd 11017 ax-pre-mulgt0 11018 ax-pre-sup 11019 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3350 df-reu 3351 df-rab 3405 df-v 3443 df-sbc 3726 df-csb 3842 df-dif 3899 df-un 3901 df-in 3903 df-ss 3913 df-pss 3915 df-nul 4267 df-if 4470 df-pw 4545 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4849 df-iun 4937 df-br 5086 df-opab 5148 df-mpt 5169 df-tr 5203 df-id 5505 df-eprel 5511 df-po 5519 df-so 5520 df-fr 5560 df-we 5562 df-xp 5611 df-rel 5612 df-cnv 5613 df-co 5614 df-dm 5615 df-rn 5616 df-res 5617 df-ima 5618 df-pred 6222 df-ord 6289 df-on 6290 df-lim 6291 df-suc 6292 df-iota 6415 df-fun 6465 df-fn 6466 df-f 6467 df-f1 6468 df-fo 6469 df-f1o 6470 df-fv 6471 df-riota 7270 df-ov 7316 df-oprab 7317 df-mpo 7318 df-om 7756 df-1st 7874 df-2nd 7875 df-frecs 8142 df-wrecs 8173 df-recs 8247 df-rdg 8286 df-er 8544 df-map 8663 df-en 8780 df-dom 8781 df-sdom 8782 df-sup 9269 df-inf 9270 df-pnf 11081 df-mnf 11082 df-xr 11083 df-ltxr 11084 df-le 11085 df-sub 11277 df-neg 11278 df-div 11703 df-nn 12044 df-2 12106 df-n0 12304 df-z 12390 df-uz 12653 df-q 12759 df-rp 12801 df-xneg 12918 df-xadd 12919 df-xmul 12920 df-0g 17219 df-topgen 17221 df-mgm 18393 df-sgrp 18442 df-mnd 18453 df-grp 18647 df-minusg 18648 df-sbg 18649 df-cmn 19455 df-abl 19456 df-psmet 20660 df-xmet 20661 df-met 20662 df-bl 20663 df-mopn 20664 df-top 22114 df-topon 22131 df-topsp 22153 df-bases 22167 df-xms 23544 df-ms 23545 df-nm 23809 df-ngp 23810 |
This theorem is referenced by: ngptgp 23863 |
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