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Theorem dalawlem2 37886
Description: Lemma for dalaw 37900. Utility lemma that breaks ((𝑃 𝑄) (𝑆 𝑇)) into a join of two pieces. (Contributed by NM, 6-Oct-2012.)
Hypotheses
Ref Expression
dalawlem.l = (le‘𝐾)
dalawlem.j = (join‘𝐾)
dalawlem.m = (meet‘𝐾)
dalawlem.a 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
dalawlem2 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((𝑃 𝑄) (𝑆 𝑇)) ((((𝑃 𝑄) 𝑇) 𝑆) (((𝑃 𝑄) 𝑆) 𝑇)))

Proof of Theorem dalawlem2
StepHypRef Expression
1 simp1 1135 . . . . . 6 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝐾 ∈ HL)
21hllatd 37378 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝐾 ∈ Lat)
3 simp2l 1198 . . . . . 6 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝑃𝐴)
4 simp2r 1199 . . . . . 6 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝑄𝐴)
5 eqid 2738 . . . . . . 7 (Base‘𝐾) = (Base‘𝐾)
6 dalawlem.j . . . . . . 7 = (join‘𝐾)
7 dalawlem.a . . . . . . 7 𝐴 = (Atoms‘𝐾)
85, 6, 7hlatjcl 37381 . . . . . 6 ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → (𝑃 𝑄) ∈ (Base‘𝐾))
91, 3, 4, 8syl3anc 1370 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (𝑃 𝑄) ∈ (Base‘𝐾))
10 simp3r 1201 . . . . . 6 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝑇𝐴)
115, 7atbase 37303 . . . . . 6 (𝑇𝐴𝑇 ∈ (Base‘𝐾))
1210, 11syl 17 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝑇 ∈ (Base‘𝐾))
13 dalawlem.l . . . . . 6 = (le‘𝐾)
145, 13, 6latlej1 18166 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑃 𝑄) ∈ (Base‘𝐾) ∧ 𝑇 ∈ (Base‘𝐾)) → (𝑃 𝑄) ((𝑃 𝑄) 𝑇))
152, 9, 12, 14syl3anc 1370 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (𝑃 𝑄) ((𝑃 𝑄) 𝑇))
16 simp3l 1200 . . . . . 6 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝑆𝐴)
175, 7atbase 37303 . . . . . 6 (𝑆𝐴𝑆 ∈ (Base‘𝐾))
1816, 17syl 17 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝑆 ∈ (Base‘𝐾))
195, 13, 6latlej1 18166 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑃 𝑄) ∈ (Base‘𝐾) ∧ 𝑆 ∈ (Base‘𝐾)) → (𝑃 𝑄) ((𝑃 𝑄) 𝑆))
202, 9, 18, 19syl3anc 1370 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (𝑃 𝑄) ((𝑃 𝑄) 𝑆))
215, 6latjcl 18157 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑃 𝑄) ∈ (Base‘𝐾) ∧ 𝑇 ∈ (Base‘𝐾)) → ((𝑃 𝑄) 𝑇) ∈ (Base‘𝐾))
222, 9, 12, 21syl3anc 1370 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((𝑃 𝑄) 𝑇) ∈ (Base‘𝐾))
235, 6latjcl 18157 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑃 𝑄) ∈ (Base‘𝐾) ∧ 𝑆 ∈ (Base‘𝐾)) → ((𝑃 𝑄) 𝑆) ∈ (Base‘𝐾))
242, 9, 18, 23syl3anc 1370 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((𝑃 𝑄) 𝑆) ∈ (Base‘𝐾))
25 dalawlem.m . . . . . 6 = (meet‘𝐾)
265, 13, 25latlem12 18184 . . . . 5 ((𝐾 ∈ Lat ∧ ((𝑃 𝑄) ∈ (Base‘𝐾) ∧ ((𝑃 𝑄) 𝑇) ∈ (Base‘𝐾) ∧ ((𝑃 𝑄) 𝑆) ∈ (Base‘𝐾))) → (((𝑃 𝑄) ((𝑃 𝑄) 𝑇) ∧ (𝑃 𝑄) ((𝑃 𝑄) 𝑆)) ↔ (𝑃 𝑄) (((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆))))
272, 9, 22, 24, 26syl13anc 1371 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (((𝑃 𝑄) ((𝑃 𝑄) 𝑇) ∧ (𝑃 𝑄) ((𝑃 𝑄) 𝑆)) ↔ (𝑃 𝑄) (((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆))))
2815, 20, 27mpbi2and 709 . . 3 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (𝑃 𝑄) (((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)))
295, 25latmcl 18158 . . . . 5 ((𝐾 ∈ Lat ∧ ((𝑃 𝑄) 𝑇) ∈ (Base‘𝐾) ∧ ((𝑃 𝑄) 𝑆) ∈ (Base‘𝐾)) → (((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) ∈ (Base‘𝐾))
302, 22, 24, 29syl3anc 1370 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) ∈ (Base‘𝐾))
315, 6, 7hlatjcl 37381 . . . . 5 ((𝐾 ∈ HL ∧ 𝑆𝐴𝑇𝐴) → (𝑆 𝑇) ∈ (Base‘𝐾))
321, 16, 10, 31syl3anc 1370 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (𝑆 𝑇) ∈ (Base‘𝐾))
335, 13, 25latmlem1 18187 . . . 4 ((𝐾 ∈ Lat ∧ ((𝑃 𝑄) ∈ (Base‘𝐾) ∧ (((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) ∈ (Base‘𝐾) ∧ (𝑆 𝑇) ∈ (Base‘𝐾))) → ((𝑃 𝑄) (((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) → ((𝑃 𝑄) (𝑆 𝑇)) ((((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) (𝑆 𝑇))))
342, 9, 30, 32, 33syl13anc 1371 . . 3 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((𝑃 𝑄) (((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) → ((𝑃 𝑄) (𝑆 𝑇)) ((((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) (𝑆 𝑇))))
3528, 34mpd 15 . 2 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((𝑃 𝑄) (𝑆 𝑇)) ((((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) (𝑆 𝑇)))
365, 13, 6latlej2 18167 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑃 𝑄) ∈ (Base‘𝐾) ∧ 𝑆 ∈ (Base‘𝐾)) → 𝑆 ((𝑃 𝑄) 𝑆))
372, 9, 18, 36syl3anc 1370 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝑆 ((𝑃 𝑄) 𝑆))
385, 13, 6, 25, 7atmod3i1 37878 . . . . 5 ((𝐾 ∈ HL ∧ (𝑆𝐴 ∧ ((𝑃 𝑄) 𝑆) ∈ (Base‘𝐾) ∧ 𝑇 ∈ (Base‘𝐾)) ∧ 𝑆 ((𝑃 𝑄) 𝑆)) → (𝑆 (((𝑃 𝑄) 𝑆) 𝑇)) = (((𝑃 𝑄) 𝑆) (𝑆 𝑇)))
391, 16, 24, 12, 37, 38syl131anc 1382 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (𝑆 (((𝑃 𝑄) 𝑆) 𝑇)) = (((𝑃 𝑄) 𝑆) (𝑆 𝑇)))
4039oveq2d 7291 . . 3 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (((𝑃 𝑄) 𝑇) (𝑆 (((𝑃 𝑄) 𝑆) 𝑇))) = (((𝑃 𝑄) 𝑇) (((𝑃 𝑄) 𝑆) (𝑆 𝑇))))
415, 25latmcl 18158 . . . . 5 ((𝐾 ∈ Lat ∧ ((𝑃 𝑄) 𝑆) ∈ (Base‘𝐾) ∧ 𝑇 ∈ (Base‘𝐾)) → (((𝑃 𝑄) 𝑆) 𝑇) ∈ (Base‘𝐾))
422, 24, 12, 41syl3anc 1370 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (((𝑃 𝑄) 𝑆) 𝑇) ∈ (Base‘𝐾))
435, 13, 6, 25latmlej22 18199 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑇 ∈ (Base‘𝐾) ∧ ((𝑃 𝑄) 𝑆) ∈ (Base‘𝐾) ∧ (𝑃 𝑄) ∈ (Base‘𝐾))) → (((𝑃 𝑄) 𝑆) 𝑇) ((𝑃 𝑄) 𝑇))
442, 12, 24, 9, 43syl13anc 1371 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → (((𝑃 𝑄) 𝑆) 𝑇) ((𝑃 𝑄) 𝑇))
455, 13, 6, 25, 7atmod2i2 37876 . . . 4 ((𝐾 ∈ HL ∧ (𝑆𝐴 ∧ ((𝑃 𝑄) 𝑇) ∈ (Base‘𝐾) ∧ (((𝑃 𝑄) 𝑆) 𝑇) ∈ (Base‘𝐾)) ∧ (((𝑃 𝑄) 𝑆) 𝑇) ((𝑃 𝑄) 𝑇)) → ((((𝑃 𝑄) 𝑇) 𝑆) (((𝑃 𝑄) 𝑆) 𝑇)) = (((𝑃 𝑄) 𝑇) (𝑆 (((𝑃 𝑄) 𝑆) 𝑇))))
461, 16, 22, 42, 44, 45syl131anc 1382 . . 3 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((((𝑃 𝑄) 𝑇) 𝑆) (((𝑃 𝑄) 𝑆) 𝑇)) = (((𝑃 𝑄) 𝑇) (𝑆 (((𝑃 𝑄) 𝑆) 𝑇))))
47 hlol 37375 . . . . 5 (𝐾 ∈ HL → 𝐾 ∈ OL)
481, 47syl 17 . . . 4 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → 𝐾 ∈ OL)
495, 25latmassOLD 37243 . . . 4 ((𝐾 ∈ OL ∧ (((𝑃 𝑄) 𝑇) ∈ (Base‘𝐾) ∧ ((𝑃 𝑄) 𝑆) ∈ (Base‘𝐾) ∧ (𝑆 𝑇) ∈ (Base‘𝐾))) → ((((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) (𝑆 𝑇)) = (((𝑃 𝑄) 𝑇) (((𝑃 𝑄) 𝑆) (𝑆 𝑇))))
5048, 22, 24, 32, 49syl13anc 1371 . . 3 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) (𝑆 𝑇)) = (((𝑃 𝑄) 𝑇) (((𝑃 𝑄) 𝑆) (𝑆 𝑇))))
5140, 46, 503eqtr4rd 2789 . 2 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((((𝑃 𝑄) 𝑇) ((𝑃 𝑄) 𝑆)) (𝑆 𝑇)) = ((((𝑃 𝑄) 𝑇) 𝑆) (((𝑃 𝑄) 𝑆) 𝑇)))
5235, 51breqtrd 5100 1 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴) ∧ (𝑆𝐴𝑇𝐴)) → ((𝑃 𝑄) (𝑆 𝑇)) ((((𝑃 𝑄) 𝑇) 𝑆) (((𝑃 𝑄) 𝑆) 𝑇)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 396  w3a 1086   = wceq 1539  wcel 2106   class class class wbr 5074  cfv 6433  (class class class)co 7275  Basecbs 16912  lecple 16969  joincjn 18029  meetcmee 18030  Latclat 18149  OLcol 37188  Atomscatm 37277  HLchlt 37364
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-ral 3069  df-rex 3070  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-op 4568  df-uni 4840  df-iun 4926  df-iin 4927  df-br 5075  df-opab 5137  df-mpt 5158  df-id 5489  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-riota 7232  df-ov 7278  df-oprab 7279  df-mpo 7280  df-1st 7831  df-2nd 7832  df-proset 18013  df-poset 18031  df-plt 18048  df-lub 18064  df-glb 18065  df-join 18066  df-meet 18067  df-p0 18143  df-lat 18150  df-clat 18217  df-oposet 37190  df-ol 37192  df-oml 37193  df-covers 37280  df-ats 37281  df-atl 37312  df-cvlat 37336  df-hlat 37365  df-psubsp 37517  df-pmap 37518  df-padd 37810
This theorem is referenced by:  dalawlem5  37889  dalawlem8  37892
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