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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 31139 | . . . 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 31145 | . . . . 5 ⊢ 𝑈 ∈ NrmCVec |
| 4 | 2 | hhba 31147 | . . . . . 6 ⊢ ℋ = (BaseSet‘𝑈) |
| 5 | 2 | hhva 31146 | . . . . . 6 ⊢ +ℎ = ( +𝑣 ‘𝑈) |
| 6 | 2 | hhsm 31149 | . . . . . 6 ⊢ ·ℎ = ( ·𝑠OLD ‘𝑈) |
| 7 | 2 | hhnm 31151 | . . . . . 6 ⊢ normℎ = (normCV‘𝑈) |
| 8 | eqid 2731 | . . . . . 6 ⊢ (·𝑖OLD‘𝑈) = (·𝑖OLD‘𝑈) | |
| 9 | 2 | hhvs 31150 | . . . . . 6 ⊢ −ℎ = ( −𝑣 ‘𝑈) |
| 10 | 4, 5, 6, 7, 8, 9 | ipval3 30689 | . . . . 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 2769 | . . 3 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦)) |
| 13 | 12 | rgen2 3172 | . 2 ⊢ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦) |
| 14 | ax-hfi 31059 | . . 3 ⊢ ·ih :( ℋ × ℋ)⟶ℂ | |
| 15 | 4, 8 | ipf 30693 | . . . 4 ⊢ (𝑈 ∈ NrmCVec → (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ) |
| 16 | 3, 15 | ax-mp 5 | . . 3 ⊢ (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ |
| 17 | ffn 6651 | . . . 4 ⊢ ( ·ih :( ℋ × ℋ)⟶ℂ → ·ih Fn ( ℋ × ℋ)) | |
| 18 | ffn 6651 | . . . 4 ⊢ ((·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ → (·𝑖OLD‘𝑈) Fn ( ℋ × ℋ)) | |
| 19 | eqfnov2 7476 | . . . 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 1541 ∈ wcel 2111 ∀wral 3047 〈cop 4579 × cxp 5612 Fn wfn 6476 ⟶wf 6477 ‘cfv 6481 (class class class)co 7346 ℂcc 11004 ici 11008 + caddc 11009 · cmul 11011 − cmin 11344 / cdiv 11774 2c2 12180 4c4 12182 ↑cexp 13968 NrmCVeccnv 30564 ·𝑖OLDcdip 30680 ℋchba 30899 +ℎ cva 30900 ·ℎ csm 30901 ·ih csp 30902 normℎcno 30903 −ℎ cmv 30905 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5215 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 ax-un 7668 ax-inf2 9531 ax-cnex 11062 ax-resscn 11063 ax-1cn 11064 ax-icn 11065 ax-addcl 11066 ax-addrcl 11067 ax-mulcl 11068 ax-mulrcl 11069 ax-mulcom 11070 ax-addass 11071 ax-mulass 11072 ax-distr 11073 ax-i2m1 11074 ax-1ne0 11075 ax-1rid 11076 ax-rnegex 11077 ax-rrecex 11078 ax-cnre 11079 ax-pre-lttri 11080 ax-pre-lttrn 11081 ax-pre-ltadd 11082 ax-pre-mulgt0 11083 ax-pre-sup 11084 ax-hilex 30979 ax-hfvadd 30980 ax-hvcom 30981 ax-hvass 30982 ax-hv0cl 30983 ax-hvaddid 30984 ax-hfvmul 30985 ax-hvmulid 30986 ax-hvmulass 30987 ax-hvdistr1 30988 ax-hvdistr2 30989 ax-hvmul0 30990 ax-hfi 31059 ax-his1 31062 ax-his2 31063 ax-his3 31064 ax-his4 31065 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-int 4896 df-iun 4941 df-br 5090 df-opab 5152 df-mpt 5171 df-tr 5197 df-id 5509 df-eprel 5514 df-po 5522 df-so 5523 df-fr 5567 df-se 5568 df-we 5569 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-pred 6248 df-ord 6309 df-on 6310 df-lim 6311 df-suc 6312 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-isom 6490 df-riota 7303 df-ov 7349 df-oprab 7350 df-mpo 7351 df-om 7797 df-1st 7921 df-2nd 7922 df-frecs 8211 df-wrecs 8242 df-recs 8291 df-rdg 8329 df-1o 8385 df-er 8622 df-en 8870 df-dom 8871 df-sdom 8872 df-fin 8873 df-sup 9326 df-oi 9396 df-card 9832 df-pnf 11148 df-mnf 11149 df-xr 11150 df-ltxr 11151 df-le 11152 df-sub 11346 df-neg 11347 df-div 11775 df-nn 12126 df-2 12188 df-3 12189 df-4 12190 df-n0 12382 df-z 12469 df-uz 12733 df-rp 12891 df-fz 13408 df-fzo 13555 df-seq 13909 df-exp 13969 df-hash 14238 df-cj 15006 df-re 15007 df-im 15008 df-sqrt 15142 df-abs 15143 df-clim 15395 df-sum 15594 df-grpo 30473 df-gid 30474 df-ginv 30475 df-gdiv 30476 df-ablo 30525 df-vc 30539 df-nv 30572 df-va 30575 df-ba 30576 df-sm 30577 df-0v 30578 df-vs 30579 df-nmcv 30580 df-dip 30681 df-hnorm 30948 df-hvsub 30951 |
| This theorem is referenced by: bcsiHIL 31160 occllem 31283 hmopbdoptHIL 31968 |
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