| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > hlatlej1 | Structured version Visualization version GIF version | ||
| Description: A join's first argument is less than or equal to the join. Special case of latlej1 18648 to show an atom is on a line. (Contributed by NM, 15-May-2013.) |
| Ref | Expression |
|---|---|
| hlatlej.l | ⊢ ≤ = (le‘𝐾) |
| hlatlej.j | ⊢ ∨ = (join‘𝐾) |
| hlatlej.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| hlatlej1 | ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → 𝑃 ≤ (𝑃 ∨ 𝑄)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hllat 40611 | . 2 ⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat) | |
| 2 | eqid 2763 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 3 | hlatlej.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 4 | 2, 3 | atbase 40537 | . 2 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾)) |
| 5 | 2, 3 | atbase 40537 | . 2 ⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ (Base‘𝐾)) |
| 6 | hlatlej.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 7 | hlatlej.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 8 | 2, 6, 7 | latlej1 18648 | . 2 ⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑄 ∈ (Base‘𝐾)) → 𝑃 ≤ (𝑃 ∨ 𝑄)) |
| 9 | 1, 4, 5, 8 | syl3an 1178 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → 𝑃 ≤ (𝑃 ∨ 𝑄)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 class class class wbr 5106 ‘cfv 6555 (class class class)co 7440 Basecbs 17413 lecple 17461 joincjn 18511 Latclat 18631 Atomscatm 40511 HLchlt 40598 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-riota 7397 df-ov 7443 df-oprab 7444 df-lub 18544 df-join 18546 df-lat 18632 df-ats 40515 df-atl 40546 df-cvlat 40570 df-hlat 40599 |
| This theorem is used by: hlatlej2 40624 cvratlem 40669 cvrat4 40691 ps-2 40726 lplnllnneN 40804 dalem1 40907 lnatexN 41027 lncmp 41031 2atm2atN 41033 2llnma3r 41036 dalawlem3 41121 dalawlem6 41124 dalawlem7 41125 dalawlem12 41130 trlval4 41436 cdlemc5 41443 cdlemc6 41444 cdlemd3 41448 cdleme0cp 41462 cdleme3h 41483 cdleme5 41488 cdleme9 41501 cdleme11c 41509 cdleme15b 41523 cdleme17b 41535 cdleme19a 41551 cdleme20c 41559 cdleme20j 41566 cdleme21c 41575 cdleme22b 41589 cdleme22d 41591 cdleme22e 41592 cdleme22eALTN 41593 cdleme35e 41701 cdleme35f 41702 cdleme42a 41719 cdleme17d2 41743 cdlemeg46req 41777 cdlemg13a 41899 cdlemg17a 41909 cdlemg18b 41927 cdlemg27a 41940 trlcoabs2N 41970 cdlemg42 41977 cdlemk4 42082 cdlemk1u 42107 cdlemk39 42164 dia2dimlem1 42312 dia2dimlem2 42313 dia2dimlem3 42314 cdlemm10N 42366 cdlemn10 42454 dihjatcclem1 42666 |
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