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Mirrors > Home > HSE Home > Th. List > lnfnsubi | Structured version Visualization version GIF version |
Description: Subtraction property for a linear Hilbert space functional. (Contributed by NM, 13-Feb-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
lnfnl.1 | ⊢ 𝑇 ∈ LinFn |
Ref | Expression |
---|---|
lnfnsubi | ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 −ℎ 𝐵)) = ((𝑇‘𝐴) − (𝑇‘𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | neg1cn 11745 | . . 3 ⊢ -1 ∈ ℂ | |
2 | lnfnl.1 | . . . 4 ⊢ 𝑇 ∈ LinFn | |
3 | 2 | lnfnaddmuli 29816 | . . 3 ⊢ ((-1 ∈ ℂ ∧ 𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 +ℎ (-1 ·ℎ 𝐵))) = ((𝑇‘𝐴) + (-1 · (𝑇‘𝐵)))) |
4 | 1, 3 | mp3an1 1444 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 +ℎ (-1 ·ℎ 𝐵))) = ((𝑇‘𝐴) + (-1 · (𝑇‘𝐵)))) |
5 | hvsubval 28787 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵))) | |
6 | 5 | fveq2d 6668 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 −ℎ 𝐵)) = (𝑇‘(𝐴 +ℎ (-1 ·ℎ 𝐵)))) |
7 | 2 | lnfnfi 29812 | . . . 4 ⊢ 𝑇: ℋ⟶ℂ |
8 | 7 | ffvelrni 6844 | . . 3 ⊢ (𝐴 ∈ ℋ → (𝑇‘𝐴) ∈ ℂ) |
9 | 7 | ffvelrni 6844 | . . 3 ⊢ (𝐵 ∈ ℋ → (𝑇‘𝐵) ∈ ℂ) |
10 | mulm1 11075 | . . . . . 6 ⊢ ((𝑇‘𝐵) ∈ ℂ → (-1 · (𝑇‘𝐵)) = -(𝑇‘𝐵)) | |
11 | 10 | oveq2d 7166 | . . . . 5 ⊢ ((𝑇‘𝐵) ∈ ℂ → ((𝑇‘𝐴) + (-1 · (𝑇‘𝐵))) = ((𝑇‘𝐴) + -(𝑇‘𝐵))) |
12 | 11 | adantl 484 | . . . 4 ⊢ (((𝑇‘𝐴) ∈ ℂ ∧ (𝑇‘𝐵) ∈ ℂ) → ((𝑇‘𝐴) + (-1 · (𝑇‘𝐵))) = ((𝑇‘𝐴) + -(𝑇‘𝐵))) |
13 | negsub 10928 | . . . 4 ⊢ (((𝑇‘𝐴) ∈ ℂ ∧ (𝑇‘𝐵) ∈ ℂ) → ((𝑇‘𝐴) + -(𝑇‘𝐵)) = ((𝑇‘𝐴) − (𝑇‘𝐵))) | |
14 | 12, 13 | eqtr2d 2857 | . . 3 ⊢ (((𝑇‘𝐴) ∈ ℂ ∧ (𝑇‘𝐵) ∈ ℂ) → ((𝑇‘𝐴) − (𝑇‘𝐵)) = ((𝑇‘𝐴) + (-1 · (𝑇‘𝐵)))) |
15 | 8, 9, 14 | syl2an 597 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ((𝑇‘𝐴) − (𝑇‘𝐵)) = ((𝑇‘𝐴) + (-1 · (𝑇‘𝐵)))) |
16 | 4, 6, 15 | 3eqtr4d 2866 | 1 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝑇‘(𝐴 −ℎ 𝐵)) = ((𝑇‘𝐴) − (𝑇‘𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1533 ∈ wcel 2110 ‘cfv 6349 (class class class)co 7150 ℂcc 10529 1c1 10532 + caddc 10534 · cmul 10536 − cmin 10864 -cneg 10865 ℋchba 28690 +ℎ cva 28691 ·ℎ csm 28692 −ℎ cmv 28696 LinFnclf 28725 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-hilex 28770 ax-hv0cl 28774 ax-hvaddid 28775 ax-hfvmul 28776 ax-hvmulid 28777 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 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 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-po 5468 df-so 5469 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-er 8283 df-map 8402 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-ltxr 10674 df-sub 10866 df-neg 10867 df-hvsub 28742 df-lnfn 29619 |
This theorem is referenced by: lnfnconi 29826 riesz3i 29833 |
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