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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 18409 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 39870 | . 2 ⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat) | |
| 2 | eqid 2741 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 3 | hlatlej.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 4 | 2, 3 | atbase 39796 | . 2 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾)) |
| 5 | 2, 3 | atbase 39796 | . 2 ⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ (Base‘𝐾)) |
| 6 | hlatlej.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 7 | hlatlej.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 8 | 2, 6, 7 | latlej1 18409 | . 2 ⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑄 ∈ (Base‘𝐾)) → 𝑃 ≤ (𝑃 ∨ 𝑄)) |
| 9 | 1, 4, 5, 8 | syl3an 1167 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → 𝑃 ≤ (𝑃 ∨ 𝑄)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1093 = wceq 1548 ∈ wcel 2121 class class class wbr 5075 ‘cfv 6489 (class class class)co 7360 Basecbs 17174 lecple 17222 joincjn 18272 Latclat 18392 Atomscatm 39770 HLchlt 39857 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5202 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7682 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-ral 3056 df-rex 3066 df-rmo 3346 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-id 5516 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7317 df-ov 7363 df-oprab 7364 df-lub 18305 df-join 18307 df-lat 18393 df-ats 39774 df-atl 39805 df-cvlat 39829 df-hlat 39858 |
| This theorem is referenced by: hlatlej2 39883 cvratlem 39928 cvrat4 39950 ps-2 39985 lplnllnneN 40063 dalem1 40166 lnatexN 40286 lncmp 40290 2atm2atN 40292 2llnma3r 40295 dalawlem3 40380 dalawlem6 40383 dalawlem7 40384 dalawlem12 40389 trlval4 40695 cdlemc5 40702 cdlemc6 40703 cdlemd3 40707 cdleme0cp 40721 cdleme3h 40742 cdleme5 40747 cdleme9 40760 cdleme11c 40768 cdleme15b 40782 cdleme17b 40794 cdleme19a 40810 cdleme20c 40818 cdleme20j 40825 cdleme21c 40834 cdleme22b 40848 cdleme22d 40850 cdleme22e 40851 cdleme22eALTN 40852 cdleme35e 40960 cdleme35f 40961 cdleme42a 40978 cdleme17d2 41002 cdlemeg46req 41036 cdlemg13a 41158 cdlemg17a 41168 cdlemg18b 41186 cdlemg27a 41199 trlcoabs2N 41229 cdlemg42 41236 cdlemk4 41341 cdlemk1u 41366 cdlemk39 41423 dia2dimlem1 41571 dia2dimlem2 41572 dia2dimlem3 41573 cdlemm10N 41625 cdlemn10 41713 dihjatcclem1 41925 |
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