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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 31247 | . . . 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 31253 | . . . . 5 ⊢ 𝑈 ∈ NrmCVec |
| 4 | 2 | hhba 31255 | . . . . . 6 ⊢ ℋ = (BaseSet‘𝑈) |
| 5 | 2 | hhva 31254 | . . . . . 6 ⊢ +ℎ = ( +𝑣 ‘𝑈) |
| 6 | 2 | hhsm 31257 | . . . . . 6 ⊢ ·ℎ = ( ·𝑠OLD ‘𝑈) |
| 7 | 2 | hhnm 31259 | . . . . . 6 ⊢ normℎ = (normCV‘𝑈) |
| 8 | eqid 2737 | . . . . . 6 ⊢ (·𝑖OLD‘𝑈) = (·𝑖OLD‘𝑈) | |
| 9 | 2 | hhvs 31258 | . . . . . 6 ⊢ −ℎ = ( −𝑣 ‘𝑈) |
| 10 | 4, 5, 6, 7, 8, 9 | ipval3 30797 | . . . . 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 1451 | . . . 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 2775 | . . 3 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦)) |
| 13 | 12 | rgen2 3178 | . 2 ⊢ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 ·ih 𝑦) = (𝑥(·𝑖OLD‘𝑈)𝑦) |
| 14 | ax-hfi 31167 | . . 3 ⊢ ·ih :( ℋ × ℋ)⟶ℂ | |
| 15 | 4, 8 | ipf 30801 | . . . 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 7498 | . . . 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 597 | . . 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 693 | . 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 1542 ∈ wcel 2114 ∀wral 3052 〈cop 4588 × cxp 5630 Fn wfn 6495 ⟶wf 6496 ‘cfv 6500 (class class class)co 7368 ℂcc 11036 ici 11040 + caddc 11041 · cmul 11043 − cmin 11376 / cdiv 11806 2c2 12212 4c4 12214 ↑cexp 13996 NrmCVeccnv 30672 ·𝑖OLDcdip 30788 ℋchba 31007 +ℎ cva 31008 ·ℎ csm 31009 ·ih csp 31010 normℎcno 31011 −ℎ cmv 31013 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-inf2 9562 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 ax-hilex 31087 ax-hfvadd 31088 ax-hvcom 31089 ax-hvass 31090 ax-hv0cl 31091 ax-hvaddid 31092 ax-hfvmul 31093 ax-hvmulid 31094 ax-hvmulass 31095 ax-hvdistr1 31096 ax-hvdistr2 31097 ax-hvmul0 31098 ax-hfi 31167 ax-his1 31170 ax-his2 31171 ax-his3 31172 ax-his4 31173 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-se 5586 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-isom 6509 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-sup 9357 df-oi 9427 df-card 9863 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-div 11807 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-n0 12414 df-z 12501 df-uz 12764 df-rp 12918 df-fz 13436 df-fzo 13583 df-seq 13937 df-exp 13997 df-hash 14266 df-cj 15034 df-re 15035 df-im 15036 df-sqrt 15170 df-abs 15171 df-clim 15423 df-sum 15622 df-grpo 30581 df-gid 30582 df-ginv 30583 df-gdiv 30584 df-ablo 30633 df-vc 30647 df-nv 30680 df-va 30683 df-ba 30684 df-sm 30685 df-0v 30686 df-vs 30687 df-nmcv 30688 df-dip 30789 df-hnorm 31056 df-hvsub 31059 |
| This theorem is referenced by: bcsiHIL 31268 occllem 31391 hmopbdoptHIL 32076 |
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