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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 2763 | . . . 4 ⊢ (normCV‘𝑈) = (normCV‘𝑈) | |
| 3 | 1, 2 | nvf 31012 | . . 3 ⊢ (𝑈 ∈ NrmCVec → (normCV‘𝑈):𝑋⟶ℝ) |
| 4 | eqid 2763 | . . . 4 ⊢ ( −𝑣 ‘𝑈) = ( −𝑣 ‘𝑈) | |
| 5 | 1, 4 | nvmf 30997 | . . 3 ⊢ (𝑈 ∈ NrmCVec → ( −𝑣 ‘𝑈):(𝑋 × 𝑋)⟶𝑋) |
| 6 | fco 6730 | . . 3 ⊢ (((normCV‘𝑈):𝑋⟶ℝ ∧ ( −𝑣 ‘𝑈):(𝑋 × 𝑋)⟶𝑋) → ((normCV‘𝑈) ∘ ( −𝑣 ‘𝑈)):(𝑋 × 𝑋)⟶ℝ) | |
| 7 | 3, 5, 6 | syl2anc 595 | . 2 ⊢ (𝑈 ∈ NrmCVec → ((normCV‘𝑈) ∘ ( −𝑣 ‘𝑈)):(𝑋 × 𝑋)⟶ℝ) |
| 8 | imsdfn.8 | . . . 4 ⊢ 𝐷 = (IndMet‘𝑈) | |
| 9 | 4, 2, 8 | imsval 31037 | . . 3 ⊢ (𝑈 ∈ NrmCVec → 𝐷 = ((normCV‘𝑈) ∘ ( −𝑣 ‘𝑈))) |
| 10 | 9 | feq1d 6687 | . 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 1570 ∈ wcel 2143 × cxp 5659 ∘ ccom 5665 ⟶wf 6532 ‘cfv 6536 ℝcr 11094 NrmCVeccnv 30936 BaseSetcba 30938 −𝑣 cnsb 30941 normCVcnmcv 30942 IndMetcims 30943 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-1st 7982 df-2nd 7983 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-ltxr 11243 df-sub 11438 df-neg 11439 df-grpo 30845 df-gid 30846 df-ginv 30847 df-gdiv 30848 df-ablo 30897 df-vc 30911 df-nv 30944 df-va 30947 df-ba 30948 df-sm 30949 df-0v 30950 df-vs 30951 df-nmcv 30952 df-ims 30953 |
| This theorem is referenced by: imsmetlem 31042 sspims 31091 |
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