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Mirrors > Home > MPE Home > Th. List > imsdf | Structured version Visualization version GIF version |
Description: Mapping for the induced metric distance function of a normed complex vector space. (Contributed by NM, 29-Nov-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
imsdfn.1 | ⊢ 𝑋 = (BaseSet‘𝑈) |
imsdfn.8 | ⊢ 𝐷 = (IndMet‘𝑈) |
Ref | Expression |
---|---|
imsdf | ⊢ (𝑈 ∈ NrmCVec → 𝐷:(𝑋 × 𝑋)⟶ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imsdfn.1 | . . . 4 ⊢ 𝑋 = (BaseSet‘𝑈) | |
2 | eqid 2798 | . . . 4 ⊢ (normCV‘𝑈) = (normCV‘𝑈) | |
3 | 1, 2 | nvf 28443 | . . 3 ⊢ (𝑈 ∈ NrmCVec → (normCV‘𝑈):𝑋⟶ℝ) |
4 | eqid 2798 | . . . 4 ⊢ ( −𝑣 ‘𝑈) = ( −𝑣 ‘𝑈) | |
5 | 1, 4 | nvmf 28428 | . . 3 ⊢ (𝑈 ∈ NrmCVec → ( −𝑣 ‘𝑈):(𝑋 × 𝑋)⟶𝑋) |
6 | fco 6505 | . . 3 ⊢ (((normCV‘𝑈):𝑋⟶ℝ ∧ ( −𝑣 ‘𝑈):(𝑋 × 𝑋)⟶𝑋) → ((normCV‘𝑈) ∘ ( −𝑣 ‘𝑈)):(𝑋 × 𝑋)⟶ℝ) | |
7 | 3, 5, 6 | syl2anc 587 | . 2 ⊢ (𝑈 ∈ NrmCVec → ((normCV‘𝑈) ∘ ( −𝑣 ‘𝑈)):(𝑋 × 𝑋)⟶ℝ) |
8 | imsdfn.8 | . . . 4 ⊢ 𝐷 = (IndMet‘𝑈) | |
9 | 4, 2, 8 | imsval 28468 | . . 3 ⊢ (𝑈 ∈ NrmCVec → 𝐷 = ((normCV‘𝑈) ∘ ( −𝑣 ‘𝑈))) |
10 | 9 | feq1d 6472 | . 2 ⊢ (𝑈 ∈ NrmCVec → (𝐷:(𝑋 × 𝑋)⟶ℝ ↔ ((normCV‘𝑈) ∘ ( −𝑣 ‘𝑈)):(𝑋 × 𝑋)⟶ℝ)) |
11 | 7, 10 | mpbird 260 | 1 ⊢ (𝑈 ∈ NrmCVec → 𝐷:(𝑋 × 𝑋)⟶ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∈ wcel 2111 × cxp 5517 ∘ ccom 5523 ⟶wf 6320 ‘cfv 6324 ℝcr 10525 NrmCVeccnv 28367 BaseSetcba 28369 −𝑣 cnsb 28372 normCVcnmcv 28373 IndMetcims 28374 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-po 5438 df-so 5439 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-1st 7671 df-2nd 7672 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-ltxr 10669 df-sub 10861 df-neg 10862 df-grpo 28276 df-gid 28277 df-ginv 28278 df-gdiv 28279 df-ablo 28328 df-vc 28342 df-nv 28375 df-va 28378 df-ba 28379 df-sm 28380 df-0v 28381 df-vs 28382 df-nmcv 28383 df-ims 28384 |
This theorem is referenced by: imsmetlem 28473 sspims 28522 |
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