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| Mirrors > Home > MPE Home > Th. List > Mathboxes > islsat | Structured version Visualization version GIF version | ||
| Description: The predicate "is a 1-dim subspace (atom)" (of a left module or left vector space). (Contributed by NM, 9-Apr-2014.) (Revised by Mario Carneiro, 24-Jun-2014.) |
| Ref | Expression |
|---|---|
| lsatset.v | ⊢ 𝑉 = (Base‘𝑊) |
| lsatset.n | ⊢ 𝑁 = (LSpan‘𝑊) |
| lsatset.z | ⊢ 0 = (0g‘𝑊) |
| lsatset.a | ⊢ 𝐴 = (LSAtoms‘𝑊) |
| Ref | Expression |
|---|---|
| islsat | ⊢ (𝑊 ∈ 𝑋 → (𝑈 ∈ 𝐴 ↔ ∃𝑥 ∈ (𝑉 ∖ { 0 })𝑈 = (𝑁‘{𝑥}))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lsatset.v | . . . 4 ⊢ 𝑉 = (Base‘𝑊) | |
| 2 | lsatset.n | . . . 4 ⊢ 𝑁 = (LSpan‘𝑊) | |
| 3 | lsatset.z | . . . 4 ⊢ 0 = (0g‘𝑊) | |
| 4 | lsatset.a | . . . 4 ⊢ 𝐴 = (LSAtoms‘𝑊) | |
| 5 | 1, 2, 3, 4 | lsatset 39360 | . . 3 ⊢ (𝑊 ∈ 𝑋 → 𝐴 = ran (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑁‘{𝑥}))) |
| 6 | 5 | eleq2d 2823 | . 2 ⊢ (𝑊 ∈ 𝑋 → (𝑈 ∈ 𝐴 ↔ 𝑈 ∈ ran (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑁‘{𝑥})))) |
| 7 | eqid 2737 | . . 3 ⊢ (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑁‘{𝑥})) = (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑁‘{𝑥})) | |
| 8 | fvex 6855 | . . 3 ⊢ (𝑁‘{𝑥}) ∈ V | |
| 9 | 7, 8 | elrnmpti 5919 | . 2 ⊢ (𝑈 ∈ ran (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑁‘{𝑥})) ↔ ∃𝑥 ∈ (𝑉 ∖ { 0 })𝑈 = (𝑁‘{𝑥})) |
| 10 | 6, 9 | bitrdi 287 | 1 ⊢ (𝑊 ∈ 𝑋 → (𝑈 ∈ 𝐴 ↔ ∃𝑥 ∈ (𝑉 ∖ { 0 })𝑈 = (𝑁‘{𝑥}))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1542 ∈ wcel 2114 ∃wrex 3062 ∖ cdif 3900 {csn 4582 ↦ cmpt 5181 ran crn 5633 ‘cfv 6500 Basecbs 17148 0gc0g 17371 LSpanclspn 20934 LSAtomsclsa 39344 |
| 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-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 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-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 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-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 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-fv 6508 df-lsatoms 39346 |
| This theorem is referenced by: lsatlspsn2 39362 lsatlspsn 39363 islsati 39364 lsateln0 39365 lsatn0 39369 lsatcmp 39373 lsmsat 39378 lsatfixedN 39379 islshpat 39387 lsatcv0 39401 lsat0cv 39403 lcv1 39411 l1cvpat 39424 dih1dimatlem 41699 dihlatat 41707 dochsatshp 41821 |
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