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Mirrors > Home > HSE Home > Th. List > his2sub2 | Structured version Visualization version GIF version |
Description: Distributive law for inner product of vector subtraction. (Contributed by NM, 13-Feb-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
his2sub2 | ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ih (𝐵 −ℎ 𝐶)) = ((𝐴 ·ih 𝐵) − (𝐴 ·ih 𝐶))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | his2sub 28861 | . . . . 5 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ ∧ 𝐴 ∈ ℋ) → ((𝐵 −ℎ 𝐶) ·ih 𝐴) = ((𝐵 ·ih 𝐴) − (𝐶 ·ih 𝐴))) | |
2 | 1 | fveq2d 6667 | . . . 4 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ ∧ 𝐴 ∈ ℋ) → (∗‘((𝐵 −ℎ 𝐶) ·ih 𝐴)) = (∗‘((𝐵 ·ih 𝐴) − (𝐶 ·ih 𝐴)))) |
3 | hicl 28849 | . . . . . 6 ⊢ ((𝐵 ∈ ℋ ∧ 𝐴 ∈ ℋ) → (𝐵 ·ih 𝐴) ∈ ℂ) | |
4 | hicl 28849 | . . . . . 6 ⊢ ((𝐶 ∈ ℋ ∧ 𝐴 ∈ ℋ) → (𝐶 ·ih 𝐴) ∈ ℂ) | |
5 | cjsub 14500 | . . . . . 6 ⊢ (((𝐵 ·ih 𝐴) ∈ ℂ ∧ (𝐶 ·ih 𝐴) ∈ ℂ) → (∗‘((𝐵 ·ih 𝐴) − (𝐶 ·ih 𝐴))) = ((∗‘(𝐵 ·ih 𝐴)) − (∗‘(𝐶 ·ih 𝐴)))) | |
6 | 3, 4, 5 | syl2an 597 | . . . . 5 ⊢ (((𝐵 ∈ ℋ ∧ 𝐴 ∈ ℋ) ∧ (𝐶 ∈ ℋ ∧ 𝐴 ∈ ℋ)) → (∗‘((𝐵 ·ih 𝐴) − (𝐶 ·ih 𝐴))) = ((∗‘(𝐵 ·ih 𝐴)) − (∗‘(𝐶 ·ih 𝐴)))) |
7 | 6 | 3impdir 1346 | . . . 4 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ ∧ 𝐴 ∈ ℋ) → (∗‘((𝐵 ·ih 𝐴) − (𝐶 ·ih 𝐴))) = ((∗‘(𝐵 ·ih 𝐴)) − (∗‘(𝐶 ·ih 𝐴)))) |
8 | 2, 7 | eqtrd 2854 | . . 3 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ ∧ 𝐴 ∈ ℋ) → (∗‘((𝐵 −ℎ 𝐶) ·ih 𝐴)) = ((∗‘(𝐵 ·ih 𝐴)) − (∗‘(𝐶 ·ih 𝐴)))) |
9 | 8 | 3comr 1120 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (∗‘((𝐵 −ℎ 𝐶) ·ih 𝐴)) = ((∗‘(𝐵 ·ih 𝐴)) − (∗‘(𝐶 ·ih 𝐴)))) |
10 | hvsubcl 28786 | . . . 4 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐵 −ℎ 𝐶) ∈ ℋ) | |
11 | ax-his1 28851 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ (𝐵 −ℎ 𝐶) ∈ ℋ) → (𝐴 ·ih (𝐵 −ℎ 𝐶)) = (∗‘((𝐵 −ℎ 𝐶) ·ih 𝐴))) | |
12 | 10, 11 | sylan2 594 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ (𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ)) → (𝐴 ·ih (𝐵 −ℎ 𝐶)) = (∗‘((𝐵 −ℎ 𝐶) ·ih 𝐴))) |
13 | 12 | 3impb 1110 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ih (𝐵 −ℎ 𝐶)) = (∗‘((𝐵 −ℎ 𝐶) ·ih 𝐴))) |
14 | ax-his1 28851 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 ·ih 𝐵) = (∗‘(𝐵 ·ih 𝐴))) | |
15 | 14 | 3adant3 1127 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ih 𝐵) = (∗‘(𝐵 ·ih 𝐴))) |
16 | ax-his1 28851 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ih 𝐶) = (∗‘(𝐶 ·ih 𝐴))) | |
17 | 16 | 3adant2 1126 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ih 𝐶) = (∗‘(𝐶 ·ih 𝐴))) |
18 | 15, 17 | oveq12d 7166 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 ·ih 𝐵) − (𝐴 ·ih 𝐶)) = ((∗‘(𝐵 ·ih 𝐴)) − (∗‘(𝐶 ·ih 𝐴)))) |
19 | 9, 13, 18 | 3eqtr4d 2864 | 1 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ih (𝐵 −ℎ 𝐶)) = ((𝐴 ·ih 𝐵) − (𝐴 ·ih 𝐶))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∧ w3a 1082 = wceq 1531 ∈ wcel 2108 ‘cfv 6348 (class class class)co 7148 ℂcc 10527 − cmin 10862 ∗ccj 14447 ℋchba 28688 ·ih csp 28691 −ℎ cmv 28694 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1905 ax-6 1964 ax-7 2009 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2154 ax-12 2170 ax-ext 2791 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7453 ax-resscn 10586 ax-1cn 10587 ax-icn 10588 ax-addcl 10589 ax-addrcl 10590 ax-mulcl 10591 ax-mulrcl 10592 ax-mulcom 10593 ax-addass 10594 ax-mulass 10595 ax-distr 10596 ax-i2m1 10597 ax-1ne0 10598 ax-1rid 10599 ax-rnegex 10600 ax-rrecex 10601 ax-cnre 10602 ax-pre-lttri 10603 ax-pre-lttrn 10604 ax-pre-ltadd 10605 ax-pre-mulgt0 10606 ax-hfvadd 28769 ax-hfvmul 28774 ax-hfi 28848 ax-his1 28851 ax-his2 28852 ax-his3 28853 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1083 df-3an 1084 df-tru 1534 df-ex 1775 df-nf 1779 df-sb 2064 df-mo 2616 df-eu 2648 df-clab 2798 df-cleq 2812 df-clel 2891 df-nfc 2961 df-ne 3015 df-nel 3122 df-ral 3141 df-rex 3142 df-reu 3143 df-rmo 3144 df-rab 3145 df-v 3495 df-sbc 3771 df-csb 3882 df-dif 3937 df-un 3939 df-in 3941 df-ss 3950 df-nul 4290 df-if 4466 df-pw 4539 df-sn 4560 df-pr 4562 df-op 4566 df-uni 4831 df-iun 4912 df-br 5058 df-opab 5120 df-mpt 5138 df-id 5453 df-po 5467 df-so 5468 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7106 df-ov 7151 df-oprab 7152 df-mpo 7153 df-er 8281 df-en 8502 df-dom 8503 df-sdom 8504 df-pnf 10669 df-mnf 10670 df-xr 10671 df-ltxr 10672 df-le 10673 df-sub 10864 df-neg 10865 df-div 11290 df-2 11692 df-cj 14450 df-re 14451 df-im 14452 df-hvsub 28740 |
This theorem is referenced by: pjhthlem1 29160 riesz4i 29832 |
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