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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 31178 | . . . 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 31184 | . . . . 5 ⊢ 𝑈 ∈ NrmCVec |
| 4 | 2 | hhba 31186 | . . . . . 6 ⊢ ℋ = (BaseSet‘𝑈) |
| 5 | 2 | hhva 31185 | . . . . . 6 ⊢ +ℎ = ( +𝑣 ‘𝑈) |
| 6 | 2 | hhsm 31188 | . . . . . 6 ⊢ ·ℎ = ( ·𝑠OLD ‘𝑈) |
| 7 | 2 | hhnm 31190 | . . . . . 6 ⊢ normℎ = (normCV‘𝑈) |
| 8 | eqid 2737 | . . . . . 6 ⊢ (·𝑖OLD‘𝑈) = (·𝑖OLD‘𝑈) | |
| 9 | 2 | hhvs 31189 | . . . . . 6 ⊢ −ℎ = ( −𝑣 ‘𝑈) |
| 10 | 4, 5, 6, 7, 8, 9 | ipval3 30728 | . . . . 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 2780 | . . 3 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦)) |
| 13 | 12 | rgen2 3199 | . 2 ⊢ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦) |
| 14 | ax-hfi 31098 | . . 3 ⊢ ·ih :( ℋ × ℋ)⟶ℂ | |
| 15 | 4, 8 | ipf 30732 | . . . 4 ⊢ (𝑈 ∈ NrmCVec → (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ) |
| 16 | 3, 15 | ax-mp 5 | . . 3 ⊢ (·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ |
| 17 | ffn 6736 | . . . 4 ⊢ ( ·ih :( ℋ × ℋ)⟶ℂ → ·ih Fn ( ℋ × ℋ)) | |
| 18 | ffn 6736 | . . . 4 ⊢ ((·𝑖OLD‘𝑈):( ℋ × ℋ)⟶ℂ → (·𝑖OLD‘𝑈) Fn ( ℋ × ℋ)) | |
| 19 | eqfnov2 7563 | . . . 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 2108 ∀wral 3061 〈cop 4632 × cxp 5683 Fn wfn 6556 ⟶wf 6557 ‘cfv 6561 (class class class)co 7431 ℂcc 11153 ici 11157 + caddc 11158 · cmul 11160 − cmin 11492 / cdiv 11920 2c2 12321 4c4 12323 ↑cexp 14102 NrmCVeccnv 30603 ·𝑖OLDcdip 30719 ℋchba 30938 +ℎ cva 30939 ·ℎ csm 30940 ·ih csp 30941 normℎcno 30942 −ℎ cmv 30944 |
| 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 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-inf2 9681 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 ax-pre-sup 11233 ax-hilex 31018 ax-hfvadd 31019 ax-hvcom 31020 ax-hvass 31021 ax-hv0cl 31022 ax-hvaddid 31023 ax-hfvmul 31024 ax-hvmulid 31025 ax-hvmulass 31026 ax-hvdistr1 31027 ax-hvdistr2 31028 ax-hvmul0 31029 ax-hfi 31098 ax-his1 31101 ax-his2 31102 ax-his3 31103 ax-his4 31104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-se 5638 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-isom 6570 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8014 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-1o 8506 df-er 8745 df-en 8986 df-dom 8987 df-sdom 8988 df-fin 8989 df-sup 9482 df-oi 9550 df-card 9979 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-div 11921 df-nn 12267 df-2 12329 df-3 12330 df-4 12331 df-n0 12527 df-z 12614 df-uz 12879 df-rp 13035 df-fz 13548 df-fzo 13695 df-seq 14043 df-exp 14103 df-hash 14370 df-cj 15138 df-re 15139 df-im 15140 df-sqrt 15274 df-abs 15275 df-clim 15524 df-sum 15723 df-grpo 30512 df-gid 30513 df-ginv 30514 df-gdiv 30515 df-ablo 30564 df-vc 30578 df-nv 30611 df-va 30614 df-ba 30615 df-sm 30616 df-0v 30617 df-vs 30618 df-nmcv 30619 df-dip 30720 df-hnorm 30987 df-hvsub 30990 |
| This theorem is referenced by: bcsiHIL 31199 occllem 31322 hmopbdoptHIL 32007 |
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