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| Mirrors > Home > HSE Home > Th. List > lnfnmul | Structured version Visualization version GIF version | ||
| Description: Multiplicative property of a linear Hilbert space functional. (Contributed by NM, 30-May-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| lnfnmul | ⊢ ((𝑇 ∈ LinFn ∧ 𝐴 ∈ ℂ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (𝑇‘𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq1 6831 | . . . . 5 ⊢ (𝑇 = if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) → (𝑇‘(𝐴 ·ℎ 𝐵)) = (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘(𝐴 ·ℎ 𝐵))) | |
| 2 | fveq1 6831 | . . . . . 6 ⊢ (𝑇 = if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) → (𝑇‘𝐵) = (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘𝐵)) | |
| 3 | 2 | oveq2d 7372 | . . . . 5 ⊢ (𝑇 = if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) → (𝐴 · (𝑇‘𝐵)) = (𝐴 · (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘𝐵))) |
| 4 | 1, 3 | eqeq12d 2750 | . . . 4 ⊢ (𝑇 = if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) → ((𝑇‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (𝑇‘𝐵)) ↔ (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘𝐵)))) |
| 5 | 4 | imbi2d 340 | . . 3 ⊢ (𝑇 = if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) → (((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (𝑇‘𝐵))) ↔ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℋ) → (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘𝐵))))) |
| 6 | 0lnfn 32009 | . . . . 5 ⊢ ( ℋ × {0}) ∈ LinFn | |
| 7 | 6 | elimel 4547 | . . . 4 ⊢ if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) ∈ LinFn |
| 8 | 7 | lnfnmuli 32068 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℋ) → (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘𝐵))) |
| 9 | 5, 8 | dedth 4536 | . 2 ⊢ (𝑇 ∈ LinFn → ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (𝑇‘𝐵)))) |
| 10 | 9 | 3impib 1116 | 1 ⊢ ((𝑇 ∈ LinFn ∧ 𝐴 ∈ ℂ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (𝑇‘𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1541 ∈ wcel 2113 ifcif 4477 {csn 4578 × cxp 5620 ‘cfv 6490 (class class class)co 7356 ℂcc 11022 0cc0 11024 · cmul 11029 ℋchba 30943 ·ℎ csm 30945 LinFnclf 30978 |
| 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 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-hilex 31023 ax-hfvadd 31024 ax-hv0cl 31027 ax-hvaddid 31028 ax-hfvmul 31029 ax-hvmulid 31030 |
| 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 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-po 5530 df-so 5531 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-er 8633 df-map 8763 df-en 8882 df-dom 8883 df-sdom 8884 df-pnf 11166 df-mnf 11167 df-ltxr 11169 df-sub 11364 df-lnfn 31872 |
| This theorem is referenced by: kbass4 32143 |
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