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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 28939 | . . . 4 ⊢ + ∈ AbelOp | |
2 | ablogrpo 28905 | . . . 4 ⊢ ( + ∈ AbelOp → + ∈ GrpOp) | |
3 | 1, 2 | ax-mp 5 | . . 3 ⊢ + ∈ GrpOp |
4 | ax-addf 10951 | . . . 4 ⊢ + :(ℂ × ℂ)⟶ℂ | |
5 | 4 | fdmi 6610 | . . 3 ⊢ dom + = (ℂ × ℂ) |
6 | 3, 5 | grporn 28879 | . 2 ⊢ ℂ = ran + |
7 | cnidOLD 28940 | . 2 ⊢ 0 = (GId‘ + ) | |
8 | cncvcOLD 28941 | . 2 ⊢ 〈 + , · 〉 ∈ CVecOLD | |
9 | absf 15047 | . 2 ⊢ abs:ℂ⟶ℝ | |
10 | abs00 14999 | . . 3 ⊢ (𝑥 ∈ ℂ → ((abs‘𝑥) = 0 ↔ 𝑥 = 0)) | |
11 | 10 | biimpa 477 | . 2 ⊢ ((𝑥 ∈ ℂ ∧ (abs‘𝑥) = 0) → 𝑥 = 0) |
12 | absmul 15004 | . 2 ⊢ ((𝑦 ∈ ℂ ∧ 𝑥 ∈ ℂ) → (abs‘(𝑦 · 𝑥)) = ((abs‘𝑦) · (abs‘𝑥))) | |
13 | abstri 15040 | . 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 28971 | 1 ⊢ 𝑈 ∈ NrmCVec |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1542 ∈ wcel 2110 〈cop 4573 × cxp 5588 ‘cfv 6432 ℂcc 10870 0cc0 10872 + caddc 10875 · cmul 10877 abscabs 14943 GrpOpcgr 28847 AbelOpcablo 28902 NrmCVeccnv 28942 |
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 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-rep 5214 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7582 ax-cnex 10928 ax-resscn 10929 ax-1cn 10930 ax-icn 10931 ax-addcl 10932 ax-addrcl 10933 ax-mulcl 10934 ax-mulrcl 10935 ax-mulcom 10936 ax-addass 10937 ax-mulass 10938 ax-distr 10939 ax-i2m1 10940 ax-1ne0 10941 ax-1rid 10942 ax-rnegex 10943 ax-rrecex 10944 ax-cnre 10945 ax-pre-lttri 10946 ax-pre-lttrn 10947 ax-pre-ltadd 10948 ax-pre-mulgt0 10949 ax-pre-sup 10950 ax-addf 10951 ax-mulf 10952 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-nel 3052 df-ral 3071 df-rex 3072 df-reu 3073 df-rmo 3074 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4846 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-tr 5197 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6201 df-ord 6268 df-on 6269 df-lim 6270 df-suc 6271 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7228 df-ov 7274 df-oprab 7275 df-mpo 7276 df-om 7707 df-2nd 7825 df-frecs 8088 df-wrecs 8119 df-recs 8193 df-rdg 8232 df-er 8481 df-en 8717 df-dom 8718 df-sdom 8719 df-sup 9179 df-pnf 11012 df-mnf 11013 df-xr 11014 df-ltxr 11015 df-le 11016 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-z 12320 df-uz 12582 df-rp 12730 df-seq 13720 df-exp 13781 df-cj 14808 df-re 14809 df-im 14810 df-sqrt 14944 df-abs 14945 df-grpo 28851 df-gid 28852 df-ablo 28903 df-vc 28917 df-nv 28950 |
This theorem is referenced by: cnnvm 29040 elimnvu 29042 cnims 29051 cncph 29177 ipblnfi 29213 cnbn 29227 htthlem 29275 |
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