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| Mirrors > Home > MPE Home > Th. List > sspm | Structured version Visualization version GIF version | ||
| Description: Vector subtraction on a subspace is a restriction of vector subtraction on the parent space. (Contributed by NM, 28-Jan-2008.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| sspm.y | ⊢ 𝑌 = (BaseSet‘𝑊) |
| sspm.m | ⊢ 𝑀 = ( −𝑣 ‘𝑈) |
| sspm.l | ⊢ 𝐿 = ( −𝑣 ‘𝑊) |
| sspm.h | ⊢ 𝐻 = (SubSp‘𝑈) |
| Ref | Expression |
|---|---|
| sspm | ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ 𝐻) → 𝐿 = (𝑀 ↾ (𝑌 × 𝑌))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sspm.y | . 2 ⊢ 𝑌 = (BaseSet‘𝑊) | |
| 2 | sspm.h | . 2 ⊢ 𝐻 = (SubSp‘𝑈) | |
| 3 | sspm.m | . . 3 ⊢ 𝑀 = ( −𝑣 ‘𝑈) | |
| 4 | sspm.l | . . 3 ⊢ 𝐿 = ( −𝑣 ‘𝑊) | |
| 5 | 1, 3, 4, 2 | sspmval 30819 | . 2 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ 𝐻) ∧ (𝑥 ∈ 𝑌 ∧ 𝑦 ∈ 𝑌)) → (𝑥𝐿𝑦) = (𝑥𝑀𝑦)) |
| 6 | 1, 4 | nvmf 30731 | . 2 ⊢ (𝑊 ∈ NrmCVec → 𝐿:(𝑌 × 𝑌)⟶𝑌) |
| 7 | eqid 2737 | . . 3 ⊢ (BaseSet‘𝑈) = (BaseSet‘𝑈) | |
| 8 | 7, 3 | nvmf 30731 | . 2 ⊢ (𝑈 ∈ NrmCVec → 𝑀:((BaseSet‘𝑈) × (BaseSet‘𝑈))⟶(BaseSet‘𝑈)) |
| 9 | 1, 2, 5, 6, 8 | sspmlem 30818 | 1 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ 𝐻) → 𝐿 = (𝑀 ↾ (𝑌 × 𝑌))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 × cxp 5622 ↾ cres 5626 ‘cfv 6492 NrmCVeccnv 30670 BaseSetcba 30672 −𝑣 cnsb 30675 SubSpcss 30807 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-1st 7935 df-2nd 7936 df-er 8636 df-en 8887 df-dom 8888 df-sdom 8889 df-pnf 11172 df-mnf 11173 df-ltxr 11175 df-sub 11370 df-neg 11371 df-grpo 30579 df-gid 30580 df-ginv 30581 df-gdiv 30582 df-ablo 30631 df-vc 30645 df-nv 30678 df-va 30681 df-ba 30682 df-sm 30683 df-0v 30684 df-vs 30685 df-nmcv 30686 df-ssp 30808 |
| This theorem is referenced by: hhssvs 31358 |
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