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| Mirrors > Home > HSE Home > Th. List > his2sub | Structured version Visualization version GIF version | ||
| Description: Distributive law for inner product of vector subtraction. (Contributed by NM, 16-Nov-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| his2sub | ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 −ℎ 𝐵) ·ih 𝐶) = ((𝐴 ·ih 𝐶) − (𝐵 ·ih 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hvsubval 31481 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵))) | |
| 2 | 1 | oveq1d 7431 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ((𝐴 −ℎ 𝐵) ·ih 𝐶) = ((𝐴 +ℎ (-1 ·ℎ 𝐵)) ·ih 𝐶)) |
| 3 | 2 | 3adant3 1150 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 −ℎ 𝐵) ·ih 𝐶) = ((𝐴 +ℎ (-1 ·ℎ 𝐵)) ·ih 𝐶)) |
| 4 | neg1cn 12228 | . . . . 5 ⊢ -1 ∈ ℂ | |
| 5 | hvmulcl 31478 | . . . . 5 ⊢ ((-1 ∈ ℂ ∧ 𝐵 ∈ ℋ) → (-1 ·ℎ 𝐵) ∈ ℋ) | |
| 6 | 4, 5 | mpan 703 | . . . 4 ⊢ (𝐵 ∈ ℋ → (-1 ·ℎ 𝐵) ∈ ℋ) |
| 7 | ax-his2 31548 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ (-1 ·ℎ 𝐵) ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 +ℎ (-1 ·ℎ 𝐵)) ·ih 𝐶) = ((𝐴 ·ih 𝐶) + ((-1 ·ℎ 𝐵) ·ih 𝐶))) | |
| 8 | 6, 7 | syl3an2 1182 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 +ℎ (-1 ·ℎ 𝐵)) ·ih 𝐶) = ((𝐴 ·ih 𝐶) + ((-1 ·ℎ 𝐵) ·ih 𝐶))) |
| 9 | ax-his3 31549 | . . . . . . 7 ⊢ ((-1 ∈ ℂ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((-1 ·ℎ 𝐵) ·ih 𝐶) = (-1 · (𝐵 ·ih 𝐶))) | |
| 10 | 4, 9 | mp3an1 1477 | . . . . . 6 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((-1 ·ℎ 𝐵) ·ih 𝐶) = (-1 · (𝐵 ·ih 𝐶))) |
| 11 | hicl 31545 | . . . . . . 7 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐵 ·ih 𝐶) ∈ ℂ) | |
| 12 | 11 | mulm1d 11691 | . . . . . 6 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (-1 · (𝐵 ·ih 𝐶)) = -(𝐵 ·ih 𝐶)) |
| 13 | 10, 12 | eqtrd 2797 | . . . . 5 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((-1 ·ℎ 𝐵) ·ih 𝐶) = -(𝐵 ·ih 𝐶)) |
| 14 | 13 | oveq2d 7432 | . . . 4 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 ·ih 𝐶) + ((-1 ·ℎ 𝐵) ·ih 𝐶)) = ((𝐴 ·ih 𝐶) + -(𝐵 ·ih 𝐶))) |
| 15 | 14 | 3adant1 1148 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 ·ih 𝐶) + ((-1 ·ℎ 𝐵) ·ih 𝐶)) = ((𝐴 ·ih 𝐶) + -(𝐵 ·ih 𝐶))) |
| 16 | 8, 15 | eqtrd 2797 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 +ℎ (-1 ·ℎ 𝐵)) ·ih 𝐶) = ((𝐴 ·ih 𝐶) + -(𝐵 ·ih 𝐶))) |
| 17 | hicl 31545 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ih 𝐶) ∈ ℂ) | |
| 18 | 17 | 3adant2 1149 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ih 𝐶) ∈ ℂ) |
| 19 | 11 | 3adant1 1148 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐵 ·ih 𝐶) ∈ ℂ) |
| 20 | 18, 19 | negsubd 11600 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 ·ih 𝐶) + -(𝐵 ·ih 𝐶)) = ((𝐴 ·ih 𝐶) − (𝐵 ·ih 𝐶))) |
| 21 | 3, 16, 20 | 3eqtrd 2801 | 1 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 −ℎ 𝐵) ·ih 𝐶) = ((𝐴 ·ih 𝐶) − (𝐵 ·ih 𝐶))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 (class class class)co 7416 ℂcc 11123 1c1 11126 + caddc 11128 · cmul 11130 − cmin 11466 -cneg 11467 ℋchba 31384 +ℎ cva 31385 ·ℎ csm 31386 ·ih csp 31387 −ℎ cmv 31390 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 ax-hfvmul 31470 ax-hfi 31544 ax-his2 31548 ax-his3 31549 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11270 df-mnf 11271 df-ltxr 11273 df-sub 11468 df-neg 11469 df-hvsub 31436 |
| This theorem is used by: his2sub2 31558 hi2eq 31570 pjhthlem1 31856 h1de2i 32018 pjdifnormii 32148 lnopeqi 32473 riesz3i 32527 leop2 32589 hmopidmpji 32617 pjssposi 32637 pjclem4 32664 pj3si 32672 |
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