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Theorem 4atlem3a 36175
 Description: Lemma for 4at 36191. Break inequality into 3 cases. (Contributed by NM, 9-Jul-2012.)
Hypotheses
Ref Expression
4at.l = (le‘𝐾)
4at.j = (join‘𝐾)
4at.a 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
4atlem3a ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (¬ 𝑄 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉)))

Proof of Theorem 4atlem3a
StepHypRef Expression
1 simpl1 1171 . . . 4 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴))
2 simpl2l 1206 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑅𝐴)
3 simpl2r 1207 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑆𝐴)
4 simpl12 1229 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑃𝐴)
52, 3, 43jca 1108 . . . 4 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (𝑅𝐴𝑆𝐴𝑃𝐴))
6 simpl3 1173 . . . 4 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (𝑈𝐴𝑉𝐴))
7 simpr 477 . . . 4 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅)))
8 4at.l . . . . 5 = (le‘𝐾)
9 4at.j . . . . 5 = (join‘𝐾)
10 4at.a . . . . 5 𝐴 = (Atoms‘𝐾)
118, 9, 104atlem3 36174 . . . 4 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴𝑃𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → ((¬ 𝑃 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑄 ((𝑃 𝑈) 𝑉)) ∨ (¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉))))
121, 5, 6, 7, 11syl31anc 1353 . . 3 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → ((¬ 𝑃 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑄 ((𝑃 𝑈) 𝑉)) ∨ (¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉))))
13 simpl11 1228 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝐾 ∈ HL)
1413hllatd 35942 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝐾 ∈ Lat)
15 eqid 2779 . . . . . . . . 9 (Base‘𝐾) = (Base‘𝐾)
1615, 10atbase 35867 . . . . . . . 8 (𝑃𝐴𝑃 ∈ (Base‘𝐾))
174, 16syl 17 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑃 ∈ (Base‘𝐾))
18 simpl3l 1208 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑈𝐴)
19 simpl3r 1209 . . . . . . . 8 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑉𝐴)
2015, 9, 10hlatjcl 35945 . . . . . . . 8 ((𝐾 ∈ HL ∧ 𝑈𝐴𝑉𝐴) → (𝑈 𝑉) ∈ (Base‘𝐾))
2113, 18, 19, 20syl3anc 1351 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (𝑈 𝑉) ∈ (Base‘𝐾))
2215, 8, 9latlej1 17528 . . . . . . 7 ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Base‘𝐾) ∧ (𝑈 𝑉) ∈ (Base‘𝐾)) → 𝑃 (𝑃 (𝑈 𝑉)))
2314, 17, 21, 22syl3anc 1351 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑃 (𝑃 (𝑈 𝑉)))
2415, 10atbase 35867 . . . . . . . 8 (𝑈𝐴𝑈 ∈ (Base‘𝐾))
2518, 24syl 17 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑈 ∈ (Base‘𝐾))
2615, 10atbase 35867 . . . . . . . 8 (𝑉𝐴𝑉 ∈ (Base‘𝐾))
2719, 26syl 17 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑉 ∈ (Base‘𝐾))
2815, 9latjass 17563 . . . . . . 7 ((𝐾 ∈ Lat ∧ (𝑃 ∈ (Base‘𝐾) ∧ 𝑈 ∈ (Base‘𝐾) ∧ 𝑉 ∈ (Base‘𝐾))) → ((𝑃 𝑈) 𝑉) = (𝑃 (𝑈 𝑉)))
2914, 17, 25, 27, 28syl13anc 1352 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → ((𝑃 𝑈) 𝑉) = (𝑃 (𝑈 𝑉)))
3023, 29breqtrrd 4957 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → 𝑃 ((𝑃 𝑈) 𝑉))
31 biortn 921 . . . . 5 (𝑃 ((𝑃 𝑈) 𝑉) → (¬ 𝑄 ((𝑃 𝑈) 𝑉) ↔ (¬ 𝑃 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑄 ((𝑃 𝑈) 𝑉))))
3230, 31syl 17 . . . 4 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (¬ 𝑄 ((𝑃 𝑈) 𝑉) ↔ (¬ 𝑃 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑄 ((𝑃 𝑈) 𝑉))))
3332orbi1d 900 . . 3 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → ((¬ 𝑄 ((𝑃 𝑈) 𝑉) ∨ (¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉))) ↔ ((¬ 𝑃 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑄 ((𝑃 𝑈) 𝑉)) ∨ (¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉)))))
3412, 33mpbird 249 . 2 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (¬ 𝑄 ((𝑃 𝑈) 𝑉) ∨ (¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉))))
35 3orass 1071 . 2 ((¬ 𝑄 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉)) ↔ (¬ 𝑄 ((𝑃 𝑈) 𝑉) ∨ (¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉))))
3634, 35sylibr 226 1 ((((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) ∧ (𝑅𝐴𝑆𝐴) ∧ (𝑈𝐴𝑉𝐴)) ∧ (𝑃𝑄 ∧ ¬ 𝑅 (𝑃 𝑄) ∧ ¬ 𝑆 ((𝑃 𝑄) 𝑅))) → (¬ 𝑄 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑅 ((𝑃 𝑈) 𝑉) ∨ ¬ 𝑆 ((𝑃 𝑈) 𝑉)))
 Colors of variables: wff setvar class Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 198   ∧ wa 387   ∨ wo 833   ∨ w3o 1067   ∧ w3a 1068   = wceq 1507   ∈ wcel 2050   ≠ wne 2968   class class class wbr 4929  ‘cfv 6188  (class class class)co 6976  Basecbs 16339  lecple 16428  joincjn 17412  Latclat 17513  Atomscatm 35841  HLchlt 35928 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1758  ax-4 1772  ax-5 1869  ax-6 1928  ax-7 1965  ax-8 2052  ax-9 2059  ax-10 2079  ax-11 2093  ax-12 2106  ax-13 2301  ax-ext 2751  ax-rep 5049  ax-sep 5060  ax-nul 5067  ax-pow 5119  ax-pr 5186  ax-un 7279 This theorem depends on definitions:  df-bi 199  df-an 388  df-or 834  df-3or 1069  df-3an 1070  df-tru 1510  df-ex 1743  df-nf 1747  df-sb 2016  df-mo 2547  df-eu 2584  df-clab 2760  df-cleq 2772  df-clel 2847  df-nfc 2919  df-ne 2969  df-ral 3094  df-rex 3095  df-reu 3096  df-rab 3098  df-v 3418  df-sbc 3683  df-csb 3788  df-dif 3833  df-un 3835  df-in 3837  df-ss 3844  df-nul 4180  df-if 4351  df-pw 4424  df-sn 4442  df-pr 4444  df-op 4448  df-uni 4713  df-iun 4794  df-br 4930  df-opab 4992  df-mpt 5009  df-id 5312  df-xp 5413  df-rel 5414  df-cnv 5415  df-co 5416  df-dm 5417  df-rn 5418  df-res 5419  df-ima 5420  df-iota 6152  df-fun 6190  df-fn 6191  df-f 6192  df-f1 6193  df-fo 6194  df-f1o 6195  df-fv 6196  df-riota 6937  df-ov 6979  df-oprab 6980  df-proset 17396  df-poset 17414  df-plt 17426  df-lub 17442  df-glb 17443  df-join 17444  df-meet 17445  df-p0 17507  df-lat 17514  df-clat 17576  df-oposet 35754  df-ol 35756  df-oml 35757  df-covers 35844  df-ats 35845  df-atl 35876  df-cvlat 35900  df-hlat 35929  df-llines 36076  df-lplanes 36077  df-lvols 36078 This theorem is referenced by:  4atlem3b  36176  4atlem11  36187
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