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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 6841 | . . 3 ⊢ (norm‘𝐺) ∈ V | |
| 2 | nrmtngdist.t | . . . 4 ⊢ 𝑇 = (𝐺 toNrmGrp (norm‘𝐺)) | |
| 3 | eqid 2739 | . . . 4 ⊢ (-g‘𝐺) = (-g‘𝐺) | |
| 4 | 2, 3 | tngds 24632 | . . 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 2739 | . . . 4 ⊢ (norm‘𝐺) = (norm‘𝐺) | |
| 7 | eqid 2739 | . . . 4 ⊢ (dist‘𝐺) = (dist‘𝐺) | |
| 8 | nrmtngdist.x | . . . 4 ⊢ 𝑋 = (Base‘𝐺) | |
| 9 | eqid 2739 | . . . 4 ⊢ ((dist‘𝐺) ↾ (𝑋 × 𝑋)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋)) | |
| 10 | 6, 3, 7, 8, 9 | isngp2 24581 | . . 3 ⊢ (𝐺 ∈ NrmGrp ↔ (𝐺 ∈ Grp ∧ 𝐺 ∈ MetSp ∧ ((norm‘𝐺) ∘ (-g‘𝐺)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋)))) |
| 11 | 10 | simp3bi 1153 | . 2 ⊢ (𝐺 ∈ NrmGrp → ((norm‘𝐺) ∘ (-g‘𝐺)) = ((dist‘𝐺) ↾ (𝑋 × 𝑋))) |
| 12 | 5, 11 | eqtr3id 2788 | 1 ⊢ (𝐺 ∈ NrmGrp → (dist‘𝑇) = ((dist‘𝐺) ↾ (𝑋 × 𝑋))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 Vcvv 3431 × cxp 5617 ↾ cres 5621 ∘ ccom 5623 ‘cfv 6486 (class class class)co 7357 Basecbs 17171 distcds 17221 Grpcgrp 18901 -gcsg 18903 MetSpcms 24302 normcnm 24560 NrmGrpcngp 24561 toNrmGrp ctng 24562 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5219 ax-nul 5229 ax-pow 5295 ax-pr 5363 ax-un 7679 ax-cnex 11086 ax-resscn 11087 ax-1cn 11088 ax-icn 11089 ax-addcl 11090 ax-addrcl 11091 ax-mulcl 11092 ax-mulrcl 11093 ax-mulcom 11094 ax-addass 11095 ax-mulass 11096 ax-distr 11097 ax-i2m1 11098 ax-1ne0 11099 ax-1rid 11100 ax-rnegex 11101 ax-rrecex 11102 ax-cnre 11103 ax-pre-lttri 11104 ax-pre-lttrn 11105 ax-pre-ltadd 11106 ax-pre-mulgt0 11107 ax-pre-sup 11108 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-nel 3039 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3903 df-nul 4263 df-if 4456 df-pw 4532 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4840 df-iun 4924 df-br 5074 df-opab 5136 df-mpt 5155 df-tr 5181 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7314 df-ov 7360 df-oprab 7361 df-mpo 7362 df-om 7808 df-1st 7932 df-2nd 7933 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-er 8634 df-map 8766 df-en 8885 df-dom 8886 df-sdom 8887 df-sup 9346 df-inf 9347 df-pnf 11173 df-mnf 11174 df-xr 11175 df-ltxr 11176 df-le 11177 df-sub 11371 df-neg 11372 df-div 11800 df-nn 12167 df-2 12236 df-3 12237 df-4 12238 df-5 12239 df-6 12240 df-7 12241 df-8 12242 df-9 12243 df-n0 12430 df-z 12517 df-dec 12637 df-uz 12781 df-q 12891 df-rp 12935 df-xneg 13055 df-xadd 13056 df-xmul 13057 df-sets 17126 df-slot 17144 df-ndx 17156 df-tset 17231 df-ds 17234 df-0g 17396 df-topgen 17398 df-mgm 18600 df-sgrp 18679 df-mnd 18695 df-grp 18904 df-minusg 18905 df-sbg 18906 df-psmet 21340 df-xmet 21341 df-met 21342 df-bl 21343 df-mopn 21344 df-top 22878 df-topon 22895 df-topsp 22917 df-bases 22930 df-xms 24304 df-ms 24305 df-nm 24566 df-ngp 24567 df-tng 24568 |
| This theorem is referenced by: nrmtngnrm 24642 |
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