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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 39450 | . . 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 6847 | . . 3 ⊢ (𝑁‘{𝑥}) ∈ V | |
| 9 | 7, 8 | elrnmpti 5911 | . 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 3887 {csn 4568 ↦ cmpt 5167 ran crn 5625 ‘cfv 6492 Basecbs 17170 0gc0g 17393 LSpanclspn 20957 LSAtomsclsa 39434 |
| 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 5231 ax-nul 5241 ax-pr 5370 ax-un 7682 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5519 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-fv 6500 df-lsatoms 39436 |
| This theorem is referenced by: lsatlspsn2 39452 lsatlspsn 39453 islsati 39454 lsateln0 39455 lsatn0 39459 lsatcmp 39463 lsmsat 39468 lsatfixedN 39469 islshpat 39477 lsatcv0 39491 lsat0cv 39493 lcv1 39501 l1cvpat 39514 dih1dimatlem 41789 dihlatat 41797 dochsatshp 41911 |
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