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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 30820 | . 2 ⊢ (((𝑈 ∈ NrmCVec ∧ 𝑊 ∈ 𝐻) ∧ (𝑥 ∈ 𝑌 ∧ 𝑦 ∈ 𝑌)) → (𝑥𝐿𝑦) = (𝑥𝑀𝑦)) |
| 6 | 1, 4 | nvmf 30732 | . 2 ⊢ (𝑊 ∈ NrmCVec → 𝐿:(𝑌 × 𝑌)⟶𝑌) |
| 7 | eqid 2737 | . . 3 ⊢ (BaseSet‘𝑈) = (BaseSet‘𝑈) | |
| 8 | 7, 3 | nvmf 30732 | . 2 ⊢ (𝑈 ∈ NrmCVec → 𝑀:((BaseSet‘𝑈) × (BaseSet‘𝑈))⟶(BaseSet‘𝑈)) |
| 9 | 1, 2, 5, 6, 8 | sspmlem 30819 | 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 5630 ↾ cres 5634 ‘cfv 6500 NrmCVeccnv 30671 BaseSetcba 30673 −𝑣 cnsb 30676 SubSpcss 30808 |
| 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 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 |
| 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 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-po 5540 df-so 5541 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-1st 7943 df-2nd 7944 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-ltxr 11183 df-sub 11378 df-neg 11379 df-grpo 30580 df-gid 30581 df-ginv 30582 df-gdiv 30583 df-ablo 30632 df-vc 30646 df-nv 30679 df-va 30682 df-ba 30683 df-sm 30684 df-0v 30685 df-vs 30686 df-nmcv 30687 df-ssp 30809 |
| This theorem is referenced by: hhssvs 31359 |
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