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Theorem 4atexlemqtb 40690
Description: Lemma for 4atexlem7 40704. (Contributed by NM, 24-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))))
4thatlempqb.j = (join‘𝐾)
4thatlempqb.a 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
4atexlemqtb (𝜑 → (𝑄 𝑇) ∈ (Base‘𝐾))

Proof of Theorem 4atexlemqtb
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 40676 . 2 (𝜑𝐾 ∈ HL)
314atexlemq 40680 . 2 (𝜑𝑄𝐴)
414atexlemt 40682 . 2 (𝜑𝑇𝐴)
5 eqid 2764 . . 3 (Base‘𝐾) = (Base‘𝐾)
6 4thatlempqb.j . . 3 = (join‘𝐾)
7 4thatlempqb.a . . 3 𝐴 = (Atoms‘𝐾)
85, 6, 7hlatjcl 39996 . 2 ((𝐾 ∈ HL ∧ 𝑄𝐴𝑇𝐴) → (𝑄 𝑇) ∈ (Base‘𝐾))
92, 3, 4, 8syl3anc 1392 1 (𝜑 → (𝑄 𝑇) ∈ (Base‘𝐾))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 208  wa 399  w3a 1099   = wceq 1562  wcel 2144  wne 2959   class class class wbr 5102  cfv 6523  (class class class)co 7398  Basecbs 17247  joincjn 18345  Atomscatm 39892  HLchlt 39979
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1817  ax-4 1831  ax-5 1932  ax-6 1989  ax-7 2030  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2214  ax-ext 2736  ax-rep 5229  ax-sep 5248  ax-nul 5258  ax-pow 5324  ax-pr 5392  ax-un 7720
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1101  df-tru 1565  df-fal 1575  df-ex 1802  df-nf 1806  df-sb 2093  df-mo 2568  df-eu 2598  df-clab 2743  df-cleq 2756  df-clel 2839  df-nfc 2913  df-ne 2960  df-ral 3079  df-rex 3089  df-rmo 3369  df-reu 3370  df-rab 3417  df-v 3458  df-sbc 3747  df-csb 3855  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4288  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-iun 4953  df-br 5103  df-opab 5165  df-mpt 5184  df-id 5544  df-xp 5655  df-rel 5656  df-cnv 5657  df-co 5658  df-dm 5659  df-rn 5660  df-res 5661  df-ima 5662  df-iota 6479  df-fun 6525  df-fn 6526  df-f 6527  df-f1 6528  df-fo 6529  df-f1o 6530  df-fv 6531  df-riota 7355  df-ov 7401  df-oprab 7402  df-lub 18378  df-glb 18379  df-join 18380  df-meet 18381  df-lat 18466  df-ats 39896  df-atl 39927  df-cvlat 39951  df-hlat 39980
This theorem is referenced by:  4atexlemc  40698  4atexlemnclw  40699  4atexlemex2  40700  4atexlemcnd  40701
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