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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 6847 | . . 3 ⊢ (norm‘𝐺) ∈ V | |
| 2 | nrmtngdist.t | . . . 4 ⊢ 𝑇 = (𝐺 toNrmGrp (norm‘𝐺)) | |
| 3 | eqid 2736 | . . . 4 ⊢ (-g‘𝐺) = (-g‘𝐺) | |
| 4 | 2, 3 | tngds 24594 | . . 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 2736 | . . . 4 ⊢ (norm‘𝐺) = (norm‘𝐺) | |
| 7 | eqid 2736 | . . . 4 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 8 | nrmtngdist.x | . . . 4 ⊢ 𝑋 = (Base‘𝐺) | |
| 9 | eqid 2736 | . . . 4 ⊢ ((dist‘𝐺) ↾ (𝑋 × 𝑋)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋)) | |
| 10 | 6, 3, 7, 8, 9 | isngp2 24543 | . . 3 ⊢ (𝐺 ∈ NrmGrp ↔ (𝐺 ∈ Grp ∧ 𝐺 ∈ MetSp ∧ ((norm‘𝐺) ∘ (-g‘𝐺)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋)))) |
| 11 | 10 | simp3bi 1147 | . 2 ⊢ (𝐺 ∈ NrmGrp → ((norm‘𝐺) ∘ (-g‘𝐺)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋))) |
| 12 | 5, 11 | eqtr3id 2785 | 1 ⊢ (𝐺 ∈ NrmGrp → (dist‘𝑇) = ((dist‘𝐺) ↾ (𝑋 × 𝑋))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 Vcvv 3440 × cxp 5622 ↾ cres 5626 ∘ ccom 5628 ‘cfv 6492 (class class class)co 7358 Basecbs 17138 distcds 17188 Grpcgrp 18865 -gcsg 18867 MetSpcms 24264 normcnm 24522 NrmGrpcngp 24523 toNrmGrp ctng 24524 |
| 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 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 ax-pre-sup 11106 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-er 8635 df-map 8767 df-en 8886 df-dom 8887 df-sdom 8888 df-sup 9347 df-inf 9348 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-div 11797 df-nn 12148 df-2 12210 df-3 12211 df-4 12212 df-5 12213 df-6 12214 df-7 12215 df-8 12216 df-9 12217 df-n0 12404 df-z 12491 df-dec 12610 df-uz 12754 df-q 12864 df-rp 12908 df-xneg 13028 df-xadd 13029 df-xmul 13030 df-sets 17093 df-slot 17111 df-ndx 17123 df-tset 17198 df-ds 17201 df-0g 17363 df-topgen 17365 df-mgm 18567 df-sgrp 18646 df-mnd 18662 df-grp 18868 df-minusg 18869 df-sbg 18870 df-psmet 21303 df-xmet 21304 df-met 21305 df-bl 21306 df-mopn 21307 df-top 22840 df-topon 22857 df-topsp 22879 df-bases 22892 df-xms 24266 df-ms 24267 df-nm 24528 df-ngp 24529 df-tng 24530 |
| This theorem is referenced by: nrmtngnrm 24604 |
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