| Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
| 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 2765 | . . 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 40571 | . 2 ⊢ (𝐾 ∈ Lat → (𝑋 ∈ 𝑁 ↔ ∃𝑝 ∈ 𝐴 ∃𝑞 ∈ 𝐴 (𝑝 ≠ 𝑞 ∧ 𝑋 = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)}))) |
| 6 | simpl 488 | . . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → 𝐾 ∈ Lat) | |
| 7 | eqid 2765 | . . . . . . . . 9 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 8 | 7, 3 | atbase 40121 | . . . . . . . 8 ⊢ (𝑝 ∈ 𝐴 → 𝑝 ∈ (Base‘𝐾)) |
| 9 | 8 | ad2antrl 741 | . . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → 𝑝 ∈ (Base‘𝐾)) |
| 10 | 7, 3 | atbase 40121 | . . . . . . . 8 ⊢ (𝑞 ∈ 𝐴 → 𝑞 ∈ (Base‘𝐾)) |
| 11 | 10 | ad2antll 742 | . . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → 𝑞 ∈ (Base‘𝐾)) |
| 12 | 7, 2 | latjcl 18517 | . . . . . . 7 ⊢ ((𝐾 ∈ Lat ∧ 𝑝 ∈ (Base‘𝐾) ∧ 𝑞 ∈ (Base‘𝐾)) → (𝑝 ∨ 𝑞) ∈ (Base‘𝐾)) |
| 13 | 6, 9, 11, 12 | syl3anc 1398 | . . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → (𝑝 ∨ 𝑞) ∈ (Base‘𝐾)) |
| 14 | isline2.m | . . . . . . 7 ⊢ 𝑀 = (pmap‘𝐾) | |
| 15 | 7, 1, 3, 14 | pmapval 40589 | . . . . . 6 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∨ 𝑞) ∈ (Base‘𝐾)) → (𝑀‘(𝑝 ∨ 𝑞)) = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)}) |
| 16 | 13, 15 | syldan 603 | . . . . 5 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → (𝑀‘(𝑝 ∨ 𝑞)) = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)}) |
| 17 | 16 | eqeq2d 2776 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ (𝑝 ∈ 𝐴 ∧ 𝑞 ∈ 𝐴)) → (𝑋 = (𝑀‘(𝑝 ∨ 𝑞)) ↔ 𝑋 = {𝑟 ∈ 𝐴 ∣ 𝑟(le‘𝐾)(𝑝 ∨ 𝑞)})) |
| 18 | 17 | anbi2d 642 | . . 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 3230 | . 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 285 | 1 ⊢ (𝐾 ∈ Lat → (𝑋 ∈ 𝑁 ↔ ∃𝑝 ∈ 𝐴 ∃𝑞 ∈ 𝐴 (𝑝 ≠ 𝑞 ∧ 𝑋 = (𝑀‘(𝑝 ∨ 𝑞))))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2146 ≠ wne 2960 ∃wrex 3091 {crab 3418 class class class wbr 5111 ‘cfv 6540 (class class class)co 7419 Basecbs 17291 lecple 17339 joincjn 18389 Latclat 18509 Atomscatm 40095 Linesclines 40326 pmapcpmap 40329 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-lub 18422 df-glb 18423 df-join 18424 df-meet 18425 df-lat 18510 df-ats 40099 df-lines 40333 df-pmap 40336 |
| This theorem is used by: isline3 40608 lncvrelatN 40613 linepsubclN 40783 |
| Copyright terms: Public domain | W3C validator |