| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > sspsval | Structured version Visualization version GIF version | ||
| Description: Scalar multiplication on a subspace in terms of scalar multiplication on the parent space. (Contributed by NM, 28-Jan-2008.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| ssps.y | ⊢ 𝑌 = (BaseSet‘𝑊) |
| ssps.s | ⊢ 𝑆 = ( ·𝑠OLD ‘𝑈) |
| ssps.r | ⊢ 𝑅 = ( ·𝑠OLD ‘𝑊) |
| ssps.h | ⊢ 𝐻 = (SubSp‘𝑈) |
| Ref | Expression |
|---|---|
| sspsval | ⊢ (((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ 𝐻) ∧ (𝐴 ∈ ℂ ∧ 𝐵 ∈ 𝑌)) → (𝐴𝑅𝐵) = (𝐴𝑆𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssps.y | . . . 4 ⊢ 𝑌 = (BaseSet‘𝑊) | |
| 2 | ssps.s | . . . 4 ⊢ 𝑆 = ( ·𝑠OLD ‘𝑈) | |
| 3 | ssps.r | . . . 4 ⊢ 𝑅 = ( ·𝑠OLD ‘𝑊) | |
| 4 | ssps.h | . . . 4 ⊢ 𝐻 = (SubSp‘𝑈) | |
| 5 | 1, 2, 3, 4 | ssps 31389 | . . 3 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ 𝐻) → 𝑅 = (𝑆 ↾ (ℂ × 𝑌))) |
| 6 | 5 | oveqd 7468 | . 2 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ 𝐻) → (𝐴𝑅𝐵) = (𝐴(𝑆 ↾ (ℂ × 𝑌))𝐵)) |
| 7 | ovres 7618 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ 𝑌) → (𝐴(𝑆 ↾ (ℂ × 𝑌))𝐵) = (𝐴𝑆𝐵)) | |
| 8 | 6, 7 | sylan9eq 2818 | 1 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ 𝐻) ∧ (𝐴 ∈ ℂ ∧ 𝐵 ∈ 𝑌)) → (𝐴𝑅𝐵) = (𝐴𝑆𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 × cxp 5656 ↾ cres 5660 ‘cfv 6566 (class class class)co 7451 ℂcc 11237 NrmCVeccnv 31243 BaseSetcba 31245 ·𝑠OLD cns 31246 SubSpcss 31380 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-oprab 7455 df-1st 8035 df-2nd 8036 df-vc 31218 df-nv 31251 df-va 31254 df-ba 31255 df-sm 31256 df-0v 31257 df-nmcv 31259 df-ssp 31381 |
| This theorem is used by: sspmval 31392 minvecolem2 31534 hhshsslem2 31927 |
| Copyright terms: Public domain | W3C validator |