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Theorem 4atexlempns 36640
Description: Lemma for 4atexlem7 36653. (Contributed by NM, 23-Nov-2012.)
Hypotheses
Ref Expression
4thatlem.ph (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊)) ∧ (𝑆𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊 ∧ (𝑃 𝑅) = (𝑄 𝑅)) ∧ (𝑇𝐴 ∧ (𝑈 𝑇) = (𝑉 𝑇))) ∧ (𝑃𝑄 ∧ ¬ 𝑆 (𝑃 𝑄))))
4thatlemslps.l = (le‘𝐾)
4thatlemslps.j = (join‘𝐾)
4thatlemslps.a 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
4atexlempns (𝜑𝑃𝑆)

Proof of Theorem 4atexlempns
StepHypRef Expression
1 4thatlem.ph . . 3 (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊)) ∧ (𝑆𝐴 ∧ (𝑅𝐴 ∧ ¬ 𝑅 𝑊 ∧ (𝑃 𝑅) = (𝑄 𝑅)) ∧ (𝑇𝐴 ∧ (𝑈 𝑇) = (𝑉 𝑇))) ∧ (𝑃𝑄 ∧ ¬ 𝑆 (𝑃 𝑄))))
214atexlemk 36625 . 2 (𝜑𝐾 ∈ HL)
314atexlemp 36628 . 2 (𝜑𝑃𝐴)
414atexlemq 36629 . 2 (𝜑𝑄𝐴)
514atexlems 36630 . 2 (𝜑𝑆𝐴)
614atexlemnslpq 36634 . 2 (𝜑 → ¬ 𝑆 (𝑃 𝑄))
7 4thatlemslps.l . . 3 = (le‘𝐾)
8 4thatlemslps.j . . 3 = (join‘𝐾)
9 4thatlemslps.a . . 3 𝐴 = (Atoms‘𝐾)
107, 8, 94atlem0be 36173 . 2 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑆𝐴) ∧ ¬ 𝑆 (𝑃 𝑄)) → 𝑃𝑆)
112, 3, 4, 5, 6, 10syl131anc 1363 1 (𝜑𝑃𝑆)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 198  wa 387  w3a 1068   = wceq 1507  wcel 2050  wne 2968   class class class wbr 4929  cfv 6188  (class class class)co 6976  lecple 16428  joincjn 17412  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-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-lub 17442  df-join 17444  df-lat 17514  df-ats 35845  df-atl 35876  df-cvlat 35900  df-hlat 35929
This theorem is referenced by:  4atexlemv  36643  4atexlemc  36647  4atexlemnclw  36648  4atexlemex2  36649
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