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| Mirrors > Home > HSE Home > Th. List > hhip | Structured version Visualization version GIF version | ||
| Description: The inner product operation of Hilbert space. (Contributed by NM, 17-Nov-2007.) (Revised by Mario Carneiro, 16-Nov-2013.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hhnv.1 | ⊢ 𝑈 = 〈〈 +ℎ , ·ℎ 〉, normℎ〉 |
| Ref | Expression |
|---|---|
| hhip | ⊢ ·ih = (·𝑖OLD‘𝑈) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | polid 31061 | . . . 4 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih 𝑦) = (((((normℎ‘(𝑥 +ℎ 𝑦))↑2) − ((normℎ‘(𝑥 −ℎ 𝑦))↑2)) + (i · (((normℎ‘(𝑥 +ℎ (i ·ℎ 𝑦)))↑2) − ((normℎ‘(𝑥 −ℎ (i ·ℎ 𝑦)))↑2)))) / 4)) | |
| 2 | hhnv.1 | . . . . . 6 ⊢ 𝑈 = 〈〈 +ℎ , ·ℎ 〉, normℎ〉 | |
| 3 | 2 | hhnv 31067 | . . . . 5 ⊢ 𝑈 ∈ NrmCVec |
| 4 | 2 | hhba 31069 | . . . . . 6 ⊢ ℋ = (BaseSet‘𝑈) |
| 5 | 2 | hhva 31068 | . . . . . 6 ⊢ +ℎ = ( +𝑣 ‘𝑈) |
| 6 | 2 | hhsm 31071 | . . . . . 6 ⊢ ·ℎ = ( ·𝑠OLD ‘𝑈) |
| 7 | 2 | hhnm 31073 | . . . . . 6 ⊢ normℎ = (normCV‘𝑈) |
| 8 | eqid 2729 | . . . . . 6 ⊢ (·𝑖OLD‘𝑈) = (·𝑖OLD‘𝑈) | |
| 9 | 2 | hhvs 31072 | . . . . . 6 ⊢ −ℎ = ( −𝑣 ‘𝑈) |
| 10 | 4, 5, 6, 7, 8, 9 | ipval3 30611 | . . . . 5 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥(·𝑖OLD‘𝑈)𝑦) = (((((normℎ‘(𝑥 +ℎ 𝑦))↑2) − ((normℎ‘(𝑥 −ℎ 𝑦))↑2)) + (i · (((normℎ‘(𝑥 +ℎ (i ·ℎ 𝑦)))↑2) − ((normℎ‘(𝑥 −ℎ (i ·ℎ 𝑦)))↑2)))) / 4)) |
| 11 | 3, 10 | mp3an1 1450 | . . . 4 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥(·𝑖OLD‘𝑈)𝑦) = (((((normℎ‘(𝑥 +ℎ 𝑦))↑2) − ((normℎ‘(𝑥 −ℎ 𝑦))↑2)) + (i · (((normℎ‘(𝑥 +ℎ (i ·ℎ 𝑦)))↑2) − ((normℎ‘(𝑥 −ℎ (i ·ℎ 𝑦)))↑2)))) / 4)) |
| 12 | 1, 11 | eqtr4d 2767 | . . 3 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦)) |
| 13 | 12 | rgen2 3175 | . 2 ⊢ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦) |
| 14 | ax-hfi 30981 | . . 3 ⊢ ·ih :( ℋ × ℋ)⟶ℂ | |
| 15 | 4, 8 | ipf 30615 | . . . 4 ⊢ (𝑈 ∈ NrmCVec → (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ) |
| 16 | 3, 15 | ax-mp 5 | . . 3 ⊢ (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ |
| 17 | ffn 6670 | . . . 4 ⊢ ( ·ih :( ℋ × ℋ)⟶ℂ → ·ih Fn ( ℋ × ℋ)) | |
| 18 | ffn 6670 | . . . 4 ⊢ ((·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ → (·𝑖OLD‘𝑈) Fn ( ℋ × ℋ)) | |
| 19 | eqfnov2 7499 | . . . 4 ⊢ (( ·ih Fn ( ℋ × ℋ) ∧ (·𝑖OLD‘𝑈) Fn ( ℋ × ℋ)) → ( ·ih = (·𝑖OLD‘𝑈) ↔ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦))) | |
| 20 | 17, 18, 19 | syl2an 596 | . . 3 ⊢ (( ·ih :( ℋ × ℋ)⟶ℂ ∧ (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ) → ( ·ih = (·𝑖OLD‘𝑈) ↔ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦))) |
| 21 | 14, 16, 20 | mp2an 692 | . 2 ⊢ ( ·ih = (·𝑖OLD‘𝑈) ↔ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦)) |
| 22 | 13, 21 | mpbir 231 | 1 ⊢ ·ih = (·𝑖OLD‘𝑈) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ∀wral 3044 〈cop 4591 × cxp 5629 Fn wfn 6494 ⟶wf 6495 ‘cfv 6499 (class class class)co 7369 ℂcc 11042 ici 11046 + caddc 11047 · cmul 11049 − cmin 11381 / cdiv 11811 2c2 12217 4c4 12219 ↑cexp 14002 NrmCVeccnv 30486 ·𝑖OLDcdip 30602 ℋchba 30821 +ℎ cva 30822 ·ℎ csm 30823 ·ih csp 30824 normℎcno 30825 −ℎ cmv 30827 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-inf2 9570 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121 ax-pre-sup 11122 ax-hilex 30901 ax-hfvadd 30902 ax-hvcom 30903 ax-hvass 30904 ax-hv0cl 30905 ax-hvaddid 30906 ax-hfvmul 30907 ax-hvmulid 30908 ax-hvmulass 30909 ax-hvdistr1 30910 ax-hvdistr2 30911 ax-hvmul0 30912 ax-hfi 30981 ax-his1 30984 ax-his2 30985 ax-his3 30986 ax-his4 30987 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3351 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-int 4907 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-se 5585 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-isom 6508 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-1st 7947 df-2nd 7948 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-1o 8411 df-er 8648 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-sup 9369 df-oi 9439 df-card 9868 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-div 11812 df-nn 12163 df-2 12225 df-3 12226 df-4 12227 df-n0 12419 df-z 12506 df-uz 12770 df-rp 12928 df-fz 13445 df-fzo 13592 df-seq 13943 df-exp 14003 df-hash 14272 df-cj 15041 df-re 15042 df-im 15043 df-sqrt 15177 df-abs 15178 df-clim 15430 df-sum 15629 df-grpo 30395 df-gid 30396 df-ginv 30397 df-gdiv 30398 df-ablo 30447 df-vc 30461 df-nv 30494 df-va 30497 df-ba 30498 df-sm 30499 df-0v 30500 df-vs 30501 df-nmcv 30502 df-dip 30603 df-hnorm 30870 df-hvsub 30873 |
| This theorem is referenced by: bcsiHIL 31082 occllem 31205 hmopbdoptHIL 31890 |
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