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| Mirrors > Home > HSE Home > Th. List > hvsubdistr2 | Structured version Visualization version GIF version | ||
| Description: Scalar multiplication distributive law for subtraction. (Contributed by NM, 19-May-2005.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hvsubdistr2 | ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 − 𝐵) ·ℎ 𝐶) = ((𝐴 ·ℎ 𝐶) −ℎ (𝐵 ·ℎ 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hvmulcl 31436 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ℎ 𝐶) ∈ ℋ) | |
| 2 | 1 | 3adant2 1149 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → (𝐴 ·ℎ 𝐶) ∈ ℋ) |
| 3 | hvmulcl 31436 | . . . 4 ⊢ ((𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → (𝐵 ·ℎ 𝐶) ∈ ℋ) | |
| 4 | 3 | 3adant1 1148 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → (𝐵 ·ℎ 𝐶) ∈ ℋ) |
| 5 | hvsubval 31439 | . . 3 ⊢ (((𝐴 ·ℎ 𝐶) ∈ ℋ ∧ (𝐵 ·ℎ 𝐶) ∈ ℋ) → ((𝐴 ·ℎ 𝐶) −ℎ (𝐵 ·ℎ 𝐶)) = ((𝐴 ·ℎ 𝐶) +ℎ (-1 ·ℎ (𝐵 ·ℎ 𝐶)))) | |
| 6 | 2, 4, 5 | syl2anc 596 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 ·ℎ 𝐶) −ℎ (𝐵 ·ℎ 𝐶)) = ((𝐴 ·ℎ 𝐶) +ℎ (-1 ·ℎ (𝐵 ·ℎ 𝐶)))) |
| 7 | mulm1 11670 | . . . . . . 7 ⊢ (𝐵 ∈ ℂ → (-1 · 𝐵) = -𝐵) | |
| 8 | 7 | oveq1d 7434 | . . . . . 6 ⊢ (𝐵 ∈ ℂ → ((-1 · 𝐵) ·ℎ 𝐶) = (-𝐵 ·ℎ 𝐶)) |
| 9 | 8 | adantr 486 | . . . . 5 ⊢ ((𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((-1 · 𝐵) ·ℎ 𝐶) = (-𝐵 ·ℎ 𝐶)) |
| 10 | neg1cn 12218 | . . . . . 6 ⊢ -1 ∈ ℂ | |
| 11 | ax-hvmulass 31430 | . . . . . 6 ⊢ ((-1 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((-1 · 𝐵) ·ℎ 𝐶) = (-1 ·ℎ (𝐵 ·ℎ 𝐶))) | |
| 12 | 10, 11 | mp3an1 1477 | . . . . 5 ⊢ ((𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((-1 · 𝐵) ·ℎ 𝐶) = (-1 ·ℎ (𝐵 ·ℎ 𝐶))) |
| 13 | 9, 12 | eqtr3d 2802 | . . . 4 ⊢ ((𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → (-𝐵 ·ℎ 𝐶) = (-1 ·ℎ (𝐵 ·ℎ 𝐶))) |
| 14 | 13 | 3adant1 1148 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → (-𝐵 ·ℎ 𝐶) = (-1 ·ℎ (𝐵 ·ℎ 𝐶))) |
| 15 | 14 | oveq2d 7435 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 ·ℎ 𝐶) +ℎ (-𝐵 ·ℎ 𝐶)) = ((𝐴 ·ℎ 𝐶) +ℎ (-1 ·ℎ (𝐵 ·ℎ 𝐶)))) |
| 16 | negcl 11472 | . . . 4 ⊢ (𝐵 ∈ ℂ → -𝐵 ∈ ℂ) | |
| 17 | ax-hvdistr2 31432 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ -𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 + -𝐵) ·ℎ 𝐶) = ((𝐴 ·ℎ 𝐶) +ℎ (-𝐵 ·ℎ 𝐶))) | |
| 18 | 16, 17 | syl3an2 1182 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 + -𝐵) ·ℎ 𝐶) = ((𝐴 ·ℎ 𝐶) +ℎ (-𝐵 ·ℎ 𝐶))) |
| 19 | negsub 11521 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 + -𝐵) = (𝐴 − 𝐵)) | |
| 20 | 19 | 3adant3 1150 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → (𝐴 + -𝐵) = (𝐴 − 𝐵)) |
| 21 | 20 | oveq1d 7434 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 + -𝐵) ·ℎ 𝐶) = ((𝐴 − 𝐵) ·ℎ 𝐶)) |
| 22 | 18, 21 | eqtr3d 2802 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 ·ℎ 𝐶) +ℎ (-𝐵 ·ℎ 𝐶)) = ((𝐴 − 𝐵) ·ℎ 𝐶)) |
| 23 | 6, 15, 22 | 3eqtr2rd 2807 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℋ) → ((𝐴 − 𝐵) ·ℎ 𝐶) = ((𝐴 ·ℎ 𝐶) −ℎ (𝐵 ·ℎ 𝐶))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 (class class class)co 7419 ℂcc 11113 1c1 11116 + caddc 11118 · cmul 11120 − cmin 11456 -cneg 11457 ℋchba 31342 +ℎ cva 31343 ·ℎ csm 31344 −ℎ cmv 31348 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 ax-hfvmul 31428 ax-hvmulass 31430 ax-hvdistr2 31432 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11260 df-mnf 11261 df-ltxr 11263 df-sub 11458 df-neg 11459 df-hvsub 31394 |
| This theorem is used by: hvmulcan2 31496 |
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