| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > isline2 | Structured version Visualization version GIF version | ||
| Description: Definition of line in terms of projective map. (Contributed by NM, 25-Jan-2012.) |
| Ref | Expression |
|---|---|
| isline2.j | ⊢ ∨ = (join‘𝐾) |
| isline2.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| isline2.n | ⊢ 𝑁 = (Lines‘𝐾) |
| isline2.m | ⊢ 𝑀 = (pmap‘𝐾) |
| Ref | Expression |
|---|---|
| isline2 | ⊢ (𝐾 ∈ Lat → (𝑋 ∈ 𝑁 ↔ ∃𝑝 ∈ 𝐴 ∃𝑞 ∈ 𝐴 (𝑝 ≠ 𝑞 ∧ 𝑋 = (𝑀‘(𝑝 ∨ 𝑞))))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2737 | . . 3 ⊢ (le‘𝐾) = (le‘𝐾) | |
| 2 | isline2.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 3 | isline2.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 4 | isline2.n | . . 3 ⊢ 𝑁 = (Lines‘𝐾) | |
| 5 | 1, 2, 3, 4 | isline 40112 | . 2 ⊢ (𝐾 ∈ Lat → (𝑋 ∈ 𝑁 ↔ ∃𝑝 ∈ 𝐴 ∃𝑞 ∈ 𝐴 (𝑝 ≠ 𝑞 ∧ 𝑋 = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)}))) |
| 6 | simpl 482 | . . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → 𝐾 ∈ Lat) | |
| 7 | eqid 2737 | . . . . . . . . 9 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 8 | 7, 3 | atbase 39662 | . . . . . . . 8 ⊢ (𝑝 ∈ 𝐴 → 𝑝 ∈ (Base‘𝐾)) |
| 9 | 8 | ad2antrl 729 | . . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → 𝑝 ∈ (Base‘𝐾)) |
| 10 | 7, 3 | atbase 39662 | . . . . . . . 8 ⊢ (𝑞 ∈ 𝐴 → 𝑞 ∈ (Base‘𝐾)) |
| 11 | 10 | ad2antll 730 | . . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → 𝑞 ∈ (Base‘𝐾)) |
| 12 | 7, 2 | latjcl 18374 | . . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ 𝑝 ∈ (Base‘𝐾) ∧ 𝑞 ∈ (Base‘𝐾)) → (𝑝 ∨ 𝑞) ∈ (Base‘𝐾)) |
| 13 | 6, 9, 11, 12 | syl3anc 1374 | . . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → (𝑝 ∨ 𝑞) ∈ (Base‘𝐾)) |
| 14 | isline2.m | . . . . . . 7 ⊢ 𝑀 = (pmap‘𝐾) | |
| 15 | 7, 1, 3, 14 | pmapval 40130 | . . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∨ 𝑞) ∈ (Base‘𝐾)) → (𝑀‘(𝑝 ∨ 𝑞)) = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)}) |
| 16 | 13, 15 | syldan 592 | . . . . 5 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → (𝑀‘(𝑝 ∨ 𝑞)) = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)}) |
| 17 | 16 | eqeq2d 2748 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → (𝑋 = (𝑀‘(𝑝 ∨ 𝑞)) ↔ 𝑋 = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)})) |
| 18 | 17 | anbi2d 631 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → ((𝑝 ≠ 𝑞 ∧ 𝑋 = (𝑀‘(𝑝 ∨ 𝑞))) ↔ (𝑝 ≠ 𝑞 ∧ 𝑋 = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)}))) |
| 19 | 18 | 2rexbidva 3201 | . 2 ⊢ (𝐾 ∈ Lat → (∃𝑝 ∈ 𝐴 ∃𝑞 ∈ 𝐴 (𝑝 ≠ 𝑞 ∧ 𝑋 = (𝑀‘(𝑝 ∨ 𝑞))) ↔ ∃𝑝 ∈ 𝐴 ∃𝑞 ∈ 𝐴 (𝑝 ≠ 𝑞 ∧ 𝑋 = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)}))) |
| 20 | 5, 19 | bitr4d 282 | 1 ⊢ (𝐾 ∈ Lat → (𝑋 ∈ 𝑁 ↔ ∃𝑝 ∈ 𝐴 ∃𝑞 ∈ 𝐴 (𝑝 ≠ 𝑞 ∧ 𝑋 = (𝑀‘(𝑝 ∨ 𝑞))))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ∃wrex 3062 {crab 3401 class class class wbr 5100 ‘cfv 6500 (class class class)co 7368 Basecbs 17148 lecple 17196 joincjn 18246 Latclat 18366 Atomscatm 39636 Linesclines 39867 pmapcpmap 39870 |
| 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 |
| 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-rmo 3352 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-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-lub 18279 df-glb 18280 df-join 18281 df-meet 18282 df-lat 18367 df-ats 39640 df-lines 39874 df-pmap 39877 |
| This theorem is referenced by: isline3 40149 lncvrelatN 40154 linepsubclN 40324 |
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