| 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 18622 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 40421 | . 2 ⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat) | |
| 2 | eqid 2760 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 3 | hlatlej.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 4 | 2, 3 | atbase 40347 | . 2 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾)) |
| 5 | 2, 3 | atbase 40347 | . 2 ⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ (Base‘𝐾)) |
| 6 | hlatlej.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 7 | hlatlej.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 8 | 2, 6, 7 | latlej1 18622 | . 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 1569 ∈ wcel 2144 class class class wbr 5102 ‘cfv 6538 (class class class)co 7420 Basecbs 17387 lecple 17435 joincjn 18485 Latclat 18605 Atomscatm 40321 HLchlt 40408 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-lub 18518 df-join 18520 df-lat 18606 df-ats 40325 df-atl 40356 df-cvlat 40380 df-hlat 40409 |
| This theorem is used by: hlatlej2 40434 cvratlem 40479 cvrat4 40501 ps-2 40536 lplnllnneN 40614 dalem1 40717 lnatexN 40837 lncmp 40841 2atm2atN 40843 2llnma3r 40846 dalawlem3 40931 dalawlem6 40934 dalawlem7 40935 dalawlem12 40940 trlval4 41246 cdlemc5 41253 cdlemc6 41254 cdlemd3 41258 cdleme0cp 41272 cdleme3h 41293 cdleme5 41298 cdleme9 41311 cdleme11c 41319 cdleme15b 41333 cdleme17b 41345 cdleme19a 41361 cdleme20c 41369 cdleme20j 41376 cdleme21c 41385 cdleme22b 41399 cdleme22d 41401 cdleme22e 41402 cdleme22eALTN 41403 cdleme35e 41511 cdleme35f 41512 cdleme42a 41529 cdleme17d2 41553 cdlemeg46req 41587 cdlemg13a 41709 cdlemg17a 41719 cdlemg18b 41737 cdlemg27a 41750 trlcoabs2N 41780 cdlemg42 41787 cdlemk4 41892 cdlemk1u 41917 cdlemk39 41974 dia2dimlem1 42122 dia2dimlem2 42123 dia2dimlem3 42124 cdlemm10N 42176 cdlemn10 42264 dihjatcclem1 42476 |
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