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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 6669 | . . . . 5 ⊢ (𝑇 = if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) → (𝑇‘(𝐴 ·ℎ 𝐵)) = (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘(𝐴 ·ℎ 𝐵))) | |
2 | fveq1 6669 | . . . . . 6 ⊢ (𝑇 = if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) → (𝑇‘𝐵) = (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘𝐵)) | |
3 | 2 | oveq2d 7172 | . . . . 5 ⊢ (𝑇 = if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) → (𝐴 · (𝑇‘𝐵)) = (𝐴 · (if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0}))‘𝐵))) |
4 | 1, 3 | eqeq12d 2837 | . . . 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 343 | . . 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 29762 | . . . . 5 ⊢ ( ℋ × {0}) ∈ LinFn | |
7 | 6 | elimel 4534 | . . . 4 ⊢ if(𝑇 ∈ LinFn, 𝑇, ( ℋ × {0})) ∈ LinFn |
8 | 7 | lnfnmuli 29821 | . . 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 4523 | . 2 ⊢ (𝑇 ∈ LinFn → ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 ·ℎ 𝐵)) = (𝐴 · (𝑇‘𝐵)))) |
10 | 9 | 3impib 1112 | 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 398 ∧ w3a 1083 = wceq 1537 ∈ wcel 2114 ifcif 4467 {csn 4567 × cxp 5553 ‘cfv 6355 (class class class)co 7156 ℂcc 10535 0cc0 10537 · cmul 10542 ℋchba 28696 ·ℎ csm 28698 LinFnclf 28731 |
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 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-hilex 28776 ax-hfvadd 28777 ax-hv0cl 28780 ax-hvaddid 28781 ax-hfvmul 28782 ax-hvmulid 28783 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-po 5474 df-so 5475 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-er 8289 df-map 8408 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-ltxr 10680 df-sub 10872 df-lnfn 29625 |
This theorem is referenced by: kbass4 29896 |
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