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Mirrors > Home > MPE Home > Th. List > nrmtngdist | Structured version Visualization version GIF version |
Description: The augmentation of a normed group by its own norm has the same distance function as the normed group (restricted to the base set). (Contributed by AV, 15-Oct-2021.) |
Ref | Expression |
---|---|
nrmtngdist.t | ⊢ 𝑇 = (𝐺 toNrmGrp (norm‘𝐺)) |
nrmtngdist.x | ⊢ 𝑋 = (Base‘𝐺) |
Ref | Expression |
---|---|
nrmtngdist | ⊢ (𝐺 ∈ NrmGrp → (dist‘𝑇) = ((dist‘𝐺) ↾ (𝑋 × 𝑋))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvex 6677 | . . 3 ⊢ (norm‘𝐺) ∈ V | |
2 | nrmtngdist.t | . . . 4 ⊢ 𝑇 = (𝐺 toNrmGrp (norm‘𝐺)) | |
3 | eqid 2821 | . . . 4 ⊢ (-g‘𝐺) = (-g‘𝐺) | |
4 | 2, 3 | tngds 23251 | . . 3 ⊢ ((norm‘𝐺) ∈ V → ((norm‘𝐺) ∘ (-g‘𝐺)) = (dist‘𝑇)) |
5 | 1, 4 | ax-mp 5 | . 2 ⊢ ((norm‘𝐺) ∘ (-g‘𝐺)) = (dist‘𝑇) |
6 | eqid 2821 | . . . 4 ⊢ (norm‘𝐺) = (norm‘𝐺) | |
7 | eqid 2821 | . . . 4 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
8 | nrmtngdist.x | . . . 4 ⊢ 𝑋 = (Base‘𝐺) | |
9 | eqid 2821 | . . . 4 ⊢ ((dist‘𝐺) ↾ (𝑋 × 𝑋)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋)) | |
10 | 6, 3, 7, 8, 9 | isngp2 23200 | . . 3 ⊢ (𝐺 ∈ NrmGrp ↔ (𝐺 ∈ Grp ∧ 𝐺 ∈ MetSp ∧ ((norm‘𝐺) ∘ (-g‘𝐺)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋)))) |
11 | 10 | simp3bi 1143 | . 2 ⊢ (𝐺 ∈ NrmGrp → ((norm‘𝐺) ∘ (-g‘𝐺)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋))) |
12 | 5, 11 | syl5eqr 2870 | 1 ⊢ (𝐺 ∈ NrmGrp → (dist‘𝑇) = ((dist‘𝐺) ↾ (𝑋 × 𝑋))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2110 Vcvv 3494 × cxp 5547 ↾ cres 5551 ∘ ccom 5553 ‘cfv 6349 (class class class)co 7150 Basecbs 16477 distcds 16568 Grpcgrp 18097 -gcsg 18099 MetSpcms 22922 normcnm 23180 NrmGrpcngp 23181 toNrmGrp ctng 23182 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 ax-pre-sup 10609 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-tp 4565 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-tr 5165 df-id 5454 df-eprel 5459 df-po 5468 df-so 5469 df-fr 5508 df-we 5510 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-pred 6142 df-ord 6188 df-on 6189 df-lim 6190 df-suc 6191 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-1st 7683 df-2nd 7684 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-er 8283 df-map 8402 df-en 8504 df-dom 8505 df-sdom 8506 df-sup 8900 df-inf 8901 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-div 11292 df-nn 11633 df-2 11694 df-3 11695 df-4 11696 df-5 11697 df-6 11698 df-7 11699 df-8 11700 df-9 11701 df-n0 11892 df-z 11976 df-dec 12093 df-uz 12238 df-q 12343 df-rp 12384 df-xneg 12501 df-xadd 12502 df-xmul 12503 df-ndx 16480 df-slot 16481 df-sets 16484 df-tset 16578 df-ds 16581 df-0g 16709 df-topgen 16711 df-mgm 17846 df-sgrp 17895 df-mnd 17906 df-grp 18100 df-minusg 18101 df-sbg 18102 df-psmet 20531 df-xmet 20532 df-met 20533 df-bl 20534 df-mopn 20535 df-top 21496 df-topon 21513 df-topsp 21535 df-bases 21548 df-xms 22924 df-ms 22925 df-nm 23186 df-ngp 23187 df-tng 23188 |
This theorem is referenced by: nrmtngnrm 23261 |
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