| Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
| 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 18510 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 40165 | . 2 ⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat) | |
| 2 | eqid 2762 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 3 | hlatlej.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 4 | 2, 3 | atbase 40091 | . 2 ⊢ (𝑃 ∈ 𝐴 → 𝑃 ∈ (Base‘𝐾)) |
| 5 | 2, 3 | atbase 40091 | . 2 ⊢ (𝑄 ∈ 𝐴 → 𝑄 ∈ (Base‘𝐾)) |
| 6 | hlatlej.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 7 | hlatlej.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 8 | 2, 6, 7 | latlej1 18510 | . 2 ⊢ ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑄 ∈ (Base‘𝐾)) → 𝑃 ≤ (𝑃 ∨ 𝑄)) |
| 9 | 1, 4, 5, 8 | syl3an 1177 | 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 1102 = wceq 1569 ∈ wcel 2142 class class class wbr 5108 ‘cfv 6536 (class class class)co 7412 Basecbs 17275 lecple 17323 joincjn 18373 Latclat 18493 Atomscatm 40065 HLchlt 40152 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5555 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7369 df-ov 7415 df-oprab 7416 df-lub 18406 df-join 18408 df-lat 18494 df-ats 40069 df-atl 40100 df-cvlat 40124 df-hlat 40153 |
| This theorem is used by: hlatlej2 40178 cvratlem 40223 cvrat4 40245 ps-2 40280 lplnllnneN 40358 dalem1 40461 lnatexN 40581 lncmp 40585 2atm2atN 40587 2llnma3r 40590 dalawlem3 40675 dalawlem6 40678 dalawlem7 40679 dalawlem12 40684 trlval4 40990 cdlemc5 40997 cdlemc6 40998 cdlemd3 41002 cdleme0cp 41016 cdleme3h 41037 cdleme5 41042 cdleme9 41055 cdleme11c 41063 cdleme15b 41077 cdleme17b 41089 cdleme19a 41105 cdleme20c 41113 cdleme20j 41120 cdleme21c 41129 cdleme22b 41143 cdleme22d 41145 cdleme22e 41146 cdleme22eALTN 41147 cdleme35e 41255 cdleme35f 41256 cdleme42a 41273 cdleme17d2 41297 cdlemeg46req 41331 cdlemg13a 41453 cdlemg17a 41463 cdlemg18b 41481 cdlemg27a 41494 trlcoabs2N 41524 cdlemg42 41531 cdlemk4 41636 cdlemk1u 41661 cdlemk39 41718 dia2dimlem1 41866 dia2dimlem2 41867 dia2dimlem3 41868 cdlemm10N 41920 cdlemn10 42008 dihjatcclem1 42220 |
| Copyright terms: Public domain | W3C validator |