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Mirrors > Home > MPE Home > Th. List > cnnv | Structured version Visualization version GIF version |
Description: The set of complex numbers is a normed complex vector space. The vector operation is +, the scalar product is ·, and the norm function is abs. (Contributed by Steve Rodriguez, 3-Dec-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
cnnv.6 | ⊢ 𝑈 = 〈〈 + , · 〉, abs〉 |
Ref | Expression |
---|---|
cnnv | ⊢ 𝑈 ∈ NrmCVec |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnaddabloOLD 28364 | . . . 4 ⊢ + ∈ AbelOp | |
2 | ablogrpo 28330 | . . . 4 ⊢ ( + ∈ AbelOp → + ∈ GrpOp) | |
3 | 1, 2 | ax-mp 5 | . . 3 ⊢ + ∈ GrpOp |
4 | ax-addf 10605 | . . . 4 ⊢ + :(ℂ × ℂ)⟶ℂ | |
5 | 4 | fdmi 6498 | . . 3 ⊢ dom + = (ℂ × ℂ) |
6 | 3, 5 | grporn 28304 | . 2 ⊢ ℂ = ran + |
7 | cnidOLD 28365 | . 2 ⊢ 0 = (GId‘ + ) | |
8 | cncvcOLD 28366 | . 2 ⊢ 〈 + , · 〉 ∈ CVecOLD | |
9 | absf 14689 | . 2 ⊢ abs:ℂ⟶ℝ | |
10 | abs00 14641 | . . 3 ⊢ (𝑥 ∈ ℂ → ((abs‘𝑥) = 0 ↔ 𝑥 = 0)) | |
11 | 10 | biimpa 480 | . 2 ⊢ ((𝑥 ∈ ℂ ∧ (abs‘𝑥) = 0) → 𝑥 = 0) |
12 | absmul 14646 | . 2 ⊢ ((𝑦 ∈ ℂ ∧ 𝑥 ∈ ℂ) → (abs‘(𝑦 · 𝑥)) = ((abs‘𝑦) · (abs‘𝑥))) | |
13 | abstri 14682 | . 2 ⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ) → (abs‘(𝑥 + 𝑦)) ≤ ((abs‘𝑥) + (abs‘𝑦))) | |
14 | cnnv.6 | . 2 ⊢ 𝑈 = 〈〈 + , · 〉, abs〉 | |
15 | 6, 7, 8, 9, 11, 12, 13, 14 | isnvi 28396 | 1 ⊢ 𝑈 ∈ NrmCVec |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ∈ wcel 2111 〈cop 4531 × cxp 5517 ‘cfv 6324 ℂcc 10524 0cc0 10526 + caddc 10529 · cmul 10531 abscabs 14585 GrpOpcgr 28272 AbelOpcablo 28327 NrmCVeccnv 28367 |
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-cnex 10582 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 ax-pre-mulgt0 10603 ax-pre-sup 10604 ax-addf 10605 ax-mulf 10606 |
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-rmo 3114 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-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 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-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 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-om 7561 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-sup 8890 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-div 11287 df-nn 11626 df-2 11688 df-3 11689 df-n0 11886 df-z 11970 df-uz 12232 df-rp 12378 df-seq 13365 df-exp 13426 df-cj 14450 df-re 14451 df-im 14452 df-sqrt 14586 df-abs 14587 df-grpo 28276 df-gid 28277 df-ablo 28328 df-vc 28342 df-nv 28375 |
This theorem is referenced by: cnnvm 28465 elimnvu 28467 cnims 28476 cncph 28602 ipblnfi 28638 cnbn 28652 htthlem 28700 |
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