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Mirrors > Home > MPE Home > Th. List > latmle2 | Structured version Visualization version GIF version |
Description: A meet is less than or equal to its second argument. (Contributed by NM, 21-Oct-2011.) |
Ref | Expression |
---|---|
latmle.b | ⊢ 𝐵 = (Base‘𝐾) |
latmle.l | ⊢ ≤ = (le‘𝐾) |
latmle.m | ⊢ ∧ = (meet‘𝐾) |
Ref | Expression |
---|---|
latmle2 | ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 ∧ 𝑌) ≤ 𝑌) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | latmle.b | . 2 ⊢ 𝐵 = (Base‘𝐾) | |
2 | latmle.l | . 2 ⊢ ≤ = (le‘𝐾) | |
3 | latmle.m | . 2 ⊢ ∧ = (meet‘𝐾) | |
4 | simp1 1132 | . 2 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝐾 ∈ Lat) | |
5 | simp2 1133 | . 2 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
6 | simp3 1134 | . 2 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝑌 ∈ 𝐵) | |
7 | eqid 2821 | . . . 4 ⊢ (join‘𝐾) = (join‘𝐾) | |
8 | 1, 7, 3, 4, 5, 6 | latcl2 17658 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (〈𝑋, 𝑌〉 ∈ dom (join‘𝐾) ∧ 〈𝑋, 𝑌〉 ∈ dom ∧ )) |
9 | 8 | simprd 498 | . 2 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 〈𝑋, 𝑌〉 ∈ dom ∧ ) |
10 | 1, 2, 3, 4, 5, 6, 9 | lemeet2 17637 | 1 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 ∧ 𝑌) ≤ 𝑌) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1083 = wceq 1537 ∈ wcel 2114 〈cop 4573 class class class wbr 5066 dom cdm 5555 ‘cfv 6355 (class class class)co 7156 Basecbs 16483 lecple 16572 joincjn 17554 meetcmee 17555 Latclat 17655 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-glb 17585 df-meet 17587 df-lat 17656 |
This theorem is referenced by: latmlem1 17691 latledi 17699 mod1ile 17715 oldmm1 36368 olm01 36387 cmtcomlemN 36399 cmtbr4N 36406 meetat 36447 cvrexchlem 36570 cvrat4 36594 2llnmj 36711 2lplnmj 36773 dalem25 36849 dalem54 36877 dalem57 36880 cdlema1N 36942 cdlemb 36945 llnexchb2lem 37019 llnexch2N 37021 dalawlem1 37022 dalawlem3 37024 pl42lem1N 37130 lhpelim 37188 lhpat3 37197 4atexlemunv 37217 4atexlemtlw 37218 4atexlemnclw 37221 4atexlemex2 37222 lautm 37245 trlle 37335 cdlemc2 37343 cdlemc5 37346 cdlemd2 37350 cdleme0b 37363 cdleme0c 37364 cdleme0fN 37369 cdleme01N 37372 cdleme0ex1N 37374 cdleme2 37379 cdleme3b 37380 cdleme3c 37381 cdleme3g 37385 cdleme3h 37386 cdleme7aa 37393 cdleme7c 37396 cdleme7d 37397 cdleme7e 37398 cdleme7ga 37399 cdleme11fN 37415 cdleme11k 37419 cdleme15d 37428 cdleme16f 37434 cdlemednpq 37450 cdleme19c 37456 cdleme20aN 37460 cdleme20c 37462 cdleme20j 37469 cdleme21c 37478 cdleme21ct 37480 cdleme22cN 37493 cdleme22f 37497 cdleme23a 37500 cdleme28a 37521 cdleme35d 37603 cdleme35f 37605 cdlemeg46frv 37676 cdlemeg46rgv 37679 cdlemeg46req 37680 cdlemg2fv2 37751 cdlemg2m 37755 cdlemg4 37768 cdlemg10bALTN 37787 cdlemg31b 37849 trlcolem 37877 cdlemk14 38005 dia2dimlem1 38215 docaclN 38275 doca2N 38277 djajN 38288 dihjustlem 38367 dihord1 38369 dihord2a 38370 dihord2b 38371 dihord2cN 38372 dihord11b 38373 dihord11c 38375 dihord2pre 38376 dihlsscpre 38385 dihvalcq2 38398 dihopelvalcpre 38399 dihord6apre 38407 dihord5b 38410 dihord5apre 38413 dihmeetlem1N 38441 dihglblem5apreN 38442 dihglblem3N 38446 dihmeetbclemN 38455 dihmeetlem4preN 38457 dihmeetlem7N 38461 dihmeetlem9N 38466 dihjatcclem4 38572 |
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