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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 31618 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ ( -1 ·ℎ 𝐵))) | |
| 2 | 1 | oveq1d 7435 | . . 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 12305 | . . . . 5 ⊢ -1 ∈ ℂ | |
| 5 | hvmulcl 31615 | . . . . 5 ⊢ (( -1 ∈ ℂ ∧ 𝐵 ∈ ℋ) → ( -1 ·ℎ 𝐵) ∈ ℋ) | |
| 6 | 4, 5 | mpan 703 | . . . 4 ⊢ (𝐵 ∈ ℋ → ( -1 ·ℎ 𝐵) ∈ ℋ) |
| 7 | ax-his2 31685 | . . . 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 31686 | . . . . . . 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 31682 | . . . . . . 7 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (𝐵 ·ih 𝐶) ∈ ℂ) | |
| 12 | 11 | mulm1d 11768 | . . . . . 6 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ( -1 · (𝐵 ·ih 𝐶)) = -(𝐵 ·ih 𝐶)) |
| 13 | 10, 12 | eqtrd 2795 | . . . . 5 ⊢ ((𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → (( -1 ·ℎ 𝐵) ·ih 𝐶) = -(𝐵 ·ih 𝐶)) |
| 14 | 13 | oveq2d 7436 | . . . 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 2795 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 +ℎ ( -1 ·ℎ 𝐵)) ·ih 𝐶) = ((𝐴 ·ih 𝐶) + -(𝐵 ·ih 𝐶))) |
| 17 | hicl 31682 | . . . 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 11675 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ ∧ 𝐶 ∈ ℋ) → ((𝐴 ·ih 𝐶) + -(𝐵 ·ih 𝐶)) = ((𝐴 ·ih 𝐶) − (𝐵 ·ih 𝐶))) |
| 21 | 3, 16, 20 | 3eqtrd 2799 | 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 1569 ∈ wcel 2144 (class class class)co 7420 ℂcc 11198 1c1 11201 + caddc 11203 · cmul 11205 − cmin 11541 -cneg 11542 ℋchba 31521 +ℎ cva 31522 ·ℎ csm 31523 ·ih csp 31524 −ℎ cmv 31527 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-hfvmul 31607 ax-hfi 31681 ax-his2 31685 ax-his3 31686 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-po 5558 df-so 5559 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-ltxr 11348 df-sub 11543 df-neg 11544 df-hvsub 31573 |
| This theorem is used by: his2sub2 31695 hi2eq 31707 pjhthlem1 31993 h1de2i 32155 pjdifnormii 32285 lnopeqi 32610 riesz3i 32664 leop2 32726 hmopidmpji 32754 pjssposi 32774 pjclem4 32801 pj3si 32809 |
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