Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > latjle12 | Structured version Visualization version GIF version |
Description: A join is less than or equal to a third value iff each argument is less than or equal to the third value. (chlub 29544 analog.) (Contributed by NM, 17-Sep-2011.) |
Ref | Expression |
---|---|
latlej.b | ⊢ 𝐵 = (Base‘𝐾) |
latlej.l | ⊢ ≤ = (le‘𝐾) |
latlej.j | ⊢ ∨ = (join‘𝐾) |
Ref | Expression |
---|---|
latjle12 | ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑍 ∧ 𝑌 ≤ 𝑍) ↔ (𝑋 ∨ 𝑌) ≤ 𝑍)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | latlej.b | . 2 ⊢ 𝐵 = (Base‘𝐾) | |
2 | latlej.l | . 2 ⊢ ≤ = (le‘𝐾) | |
3 | latlej.j | . 2 ⊢ ∨ = (join‘𝐾) | |
4 | latpos 17898 | . . 3 ⊢ (𝐾 ∈ Lat → 𝐾 ∈ Poset) | |
5 | 4 | adantr 484 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝐾 ∈ Poset) |
6 | simpr1 1196 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝑋 ∈ 𝐵) | |
7 | simpr2 1197 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝑌 ∈ 𝐵) | |
8 | simpr3 1198 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝑍 ∈ 𝐵) | |
9 | eqid 2736 | . . . 4 ⊢ (meet‘𝐾) = (meet‘𝐾) | |
10 | simpl 486 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝐾 ∈ Lat) | |
11 | 1, 3, 9, 10, 6, 7 | latcl2 17896 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → (〈𝑋, 𝑌〉 ∈ dom ∨ ∧ 〈𝑋, 𝑌〉 ∈ dom (meet‘𝐾))) |
12 | 11 | simpld 498 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 〈𝑋, 𝑌〉 ∈ dom ∨ ) |
13 | 1, 2, 3, 5, 6, 7, 8, 12 | joinle 17846 | 1 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ≤ 𝑍 ∧ 𝑌 ≤ 𝑍) ↔ (𝑋 ∨ 𝑌) ≤ 𝑍)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2112 〈cop 4533 class class class wbr 5039 dom cdm 5536 ‘cfv 6358 (class class class)co 7191 Basecbs 16666 lecple 16756 Posetcpo 17768 joincjn 17772 meetcmee 17773 Latclat 17891 |
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 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-ral 3056 df-rex 3057 df-reu 3058 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-op 4534 df-uni 4806 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-id 5440 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7148 df-ov 7194 df-oprab 7195 df-poset 17774 df-lub 17806 df-join 17808 df-lat 17892 |
This theorem is referenced by: latleeqj1 17911 latjlej1 17913 latjidm 17922 latledi 17937 latjass 17943 mod1ile 17953 lubun 17975 oldmm1 36917 olj01 36925 cvlexchb1 37030 cvlcvr1 37039 hlrelat 37102 hlrelat2 37103 exatleN 37104 hlrelat3 37112 cvrexchlem 37119 cvratlem 37121 cvrat 37122 atlelt 37138 ps-1 37177 hlatexch3N 37180 hlatexch4 37181 3atlem1 37183 3atlem2 37184 lplnexllnN 37264 2llnjaN 37266 4atlem3 37296 4atlem10 37306 4atlem11b 37308 4atlem11 37309 4atlem12b 37311 4atlem12 37312 2lplnja 37319 dalem1 37359 dalem3 37364 dalem8 37370 dalem16 37379 dalem17 37380 dalem21 37394 dalem25 37398 dalem39 37411 dalem54 37426 dalem60 37432 linepsubN 37452 pmapsub 37468 lneq2at 37478 2llnma3r 37488 cdlema1N 37491 cdlemblem 37493 paddasslem5 37524 paddasslem12 37531 paddasslem13 37532 llnexchb2 37569 dalawlem3 37573 dalawlem5 37575 dalawlem8 37578 dalawlem11 37581 dalawlem12 37582 lhp2lt 37701 lhpexle2lem 37709 lhpexle3lem 37711 4atexlemtlw 37767 4atexlemnclw 37770 lautj 37793 cdlemd3 37900 cdleme3g 37934 cdleme3h 37935 cdleme7d 37946 cdleme11c 37961 cdleme15d 37977 cdleme17b 37987 cdleme19a 38003 cdleme20j 38018 cdleme21c 38027 cdleme22b 38041 cdleme22d 38043 cdleme28a 38070 cdleme35a 38148 cdleme35fnpq 38149 cdleme35b 38150 cdleme35f 38154 cdleme42c 38172 cdleme42i 38183 cdlemf1 38261 cdlemg4c 38312 cdlemg6c 38320 cdlemg8b 38328 cdlemg10 38341 cdlemg11b 38342 cdlemg13a 38351 cdlemg17a 38361 cdlemg18b 38379 cdlemg27a 38392 cdlemg33b0 38401 cdlemg35 38413 cdlemg42 38429 cdlemg46 38435 trljco 38440 tendopltp 38480 cdlemk3 38533 cdlemk10 38543 cdlemk1u 38559 cdlemk39 38616 dialss 38746 dia2dimlem1 38764 dia2dimlem10 38773 dia2dimlem12 38775 cdlemm10N 38818 djajN 38837 diblss 38870 cdlemn2 38895 dihord2pre2 38926 dib2dim 38943 dih2dimb 38944 dih2dimbALTN 38945 dihmeetlem6 39009 dihjatcclem1 39118 |
Copyright terms: Public domain | W3C validator |