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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 31234 | . . . 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 31240 | . . . . 5 ⊢ 𝑈 ∈ NrmCVec |
| 4 | 2 | hhba 31242 | . . . . . 6 ⊢ ℋ = (BaseSet‘𝑈) |
| 5 | 2 | hhva 31241 | . . . . . 6 ⊢ +ℎ = ( +𝑣 ‘𝑈) |
| 6 | 2 | hhsm 31244 | . . . . . 6 ⊢ ·ℎ = ( ·𝑠OLD ‘𝑈) |
| 7 | 2 | hhnm 31246 | . . . . . 6 ⊢ normℎ = (normCV‘𝑈) |
| 8 | eqid 2736 | . . . . . 6 ⊢ (·𝑖OLD‘𝑈) = (·𝑖OLD‘𝑈) | |
| 9 | 2 | hhvs 31245 | . . . . . 6 ⊢ −ℎ = ( −𝑣 ‘𝑈) |
| 10 | 4, 5, 6, 7, 8, 9 | ipval3 30784 | . . . . 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 2774 | . . 3 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦)) |
| 13 | 12 | rgen2 3176 | . 2 ⊢ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦) |
| 14 | ax-hfi 31154 | . . 3 ⊢ ·ih :( ℋ × ℋ)⟶ℂ | |
| 15 | 4, 8 | ipf 30788 | . . . 4 ⊢ (𝑈 ∈ NrmCVec → (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ) |
| 16 | 3, 15 | ax-mp 5 | . . 3 ⊢ (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ |
| 17 | ffn 6662 | . . . 4 ⊢ ( ·ih :( ℋ × ℋ)⟶ℂ → ·ih Fn ( ℋ × ℋ)) | |
| 18 | ffn 6662 | . . . 4 ⊢ ((·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ → (·𝑖OLD‘𝑈) Fn ( ℋ × ℋ)) | |
| 19 | eqfnov2 7488 | . . . 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 2113 ∀wral 3051 〈cop 4586 × cxp 5622 Fn wfn 6487 ⟶wf 6488 ‘cfv 6492 (class class class)co 7358 ℂcc 11024 ici 11028 + caddc 11029 · cmul 11031 − cmin 11364 / cdiv 11794 2c2 12200 4c4 12202 ↑cexp 13984 NrmCVeccnv 30659 ·𝑖OLDcdip 30775 ℋchba 30994 +ℎ cva 30995 ·ℎ csm 30996 ·ih csp 30997 normℎcno 30998 −ℎ cmv 31000 |
| 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 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-inf2 9550 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 ax-pre-sup 11104 ax-hilex 31074 ax-hfvadd 31075 ax-hvcom 31076 ax-hvass 31077 ax-hv0cl 31078 ax-hvaddid 31079 ax-hfvmul 31080 ax-hvmulid 31081 ax-hvmulass 31082 ax-hvdistr1 31083 ax-hvdistr2 31084 ax-hvmul0 31085 ax-hfi 31154 ax-his1 31157 ax-his2 31158 ax-his3 31159 ax-his4 31160 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-se 5578 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-isom 6501 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-sup 9345 df-oi 9415 df-card 9851 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-div 11795 df-nn 12146 df-2 12208 df-3 12209 df-4 12210 df-n0 12402 df-z 12489 df-uz 12752 df-rp 12906 df-fz 13424 df-fzo 13571 df-seq 13925 df-exp 13985 df-hash 14254 df-cj 15022 df-re 15023 df-im 15024 df-sqrt 15158 df-abs 15159 df-clim 15411 df-sum 15610 df-grpo 30568 df-gid 30569 df-ginv 30570 df-gdiv 30571 df-ablo 30620 df-vc 30634 df-nv 30667 df-va 30670 df-ba 30671 df-sm 30672 df-0v 30673 df-vs 30674 df-nmcv 30675 df-dip 30776 df-hnorm 31043 df-hvsub 31046 |
| This theorem is referenced by: bcsiHIL 31255 occllem 31378 hmopbdoptHIL 32063 |
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