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Theorem dalemkehl 38580
Description: Lemma for dath 38693. Frequently-used utility lemma. (Contributed by NM, 13-Aug-2012.)
Hypothesis
Ref Expression
dalema.ph (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑆𝐴𝑇𝐴𝑈𝐴)) ∧ (𝑌𝑂𝑍𝑂) ∧ ((¬ 𝐶 (𝑃 𝑄) ∧ ¬ 𝐶 (𝑄 𝑅) ∧ ¬ 𝐶 (𝑅 𝑃)) ∧ (¬ 𝐶 (𝑆 𝑇) ∧ ¬ 𝐶 (𝑇 𝑈) ∧ ¬ 𝐶 (𝑈 𝑆)) ∧ (𝐶 (𝑃 𝑆) ∧ 𝐶 (𝑄 𝑇) ∧ 𝐶 (𝑅 𝑈)))))
Assertion
Ref Expression
dalemkehl (𝜑𝐾 ∈ HL)

Proof of Theorem dalemkehl
StepHypRef Expression
1 dalema.ph . 2 (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑆𝐴𝑇𝐴𝑈𝐴)) ∧ (𝑌𝑂𝑍𝑂) ∧ ((¬ 𝐶 (𝑃 𝑄) ∧ ¬ 𝐶 (𝑄 𝑅) ∧ ¬ 𝐶 (𝑅 𝑃)) ∧ (¬ 𝐶 (𝑆 𝑇) ∧ ¬ 𝐶 (𝑇 𝑈) ∧ ¬ 𝐶 (𝑈 𝑆)) ∧ (𝐶 (𝑃 𝑆) ∧ 𝐶 (𝑄 𝑇) ∧ 𝐶 (𝑅 𝑈)))))
2 simp11l 1284 . 2 ((((𝐾 ∈ HL ∧ 𝐶 ∈ (Base‘𝐾)) ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑆𝐴𝑇𝐴𝑈𝐴)) ∧ (𝑌𝑂𝑍𝑂) ∧ ((¬ 𝐶 (𝑃 𝑄) ∧ ¬ 𝐶 (𝑄 𝑅) ∧ ¬ 𝐶 (𝑅 𝑃)) ∧ (¬ 𝐶 (𝑆 𝑇) ∧ ¬ 𝐶 (𝑇 𝑈) ∧ ¬ 𝐶 (𝑈 𝑆)) ∧ (𝐶 (𝑃 𝑆) ∧ 𝐶 (𝑄 𝑇) ∧ 𝐶 (𝑅 𝑈)))) → 𝐾 ∈ HL)
31, 2sylbi 216 1 (𝜑𝐾 ∈ HL)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 205  wa 396  w3a 1087  wcel 2106   class class class wbr 5148  cfv 6543  (class class class)co 7411  Basecbs 17146  HLchlt 38306
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 206  df-an 397  df-3an 1089
This theorem is referenced by:  dalemkelat  38581  dalemkeop  38582  dalempjqeb  38602  dalemsjteb  38603  dalemtjueb  38604  dalemqrprot  38605  dalempnes  38608  dalemqnet  38609  dalempjsen  38610  dalemply  38611  dalemsly  38612  dalemswapyz  38613  dalemrot  38614  dalemrotyz  38615  dalem1  38616  dalemcea  38617  dalem2  38618  dalemdea  38619  dalem3  38621  dalem4  38622  dalem5  38624  dalem-cly  38628  dalem9  38629  dalem11  38631  dalem12  38632  dalem13  38633  dalem15  38635  dalem16  38636  dalem17  38637  dalem18  38638  dalem19  38639  dalemswapyzps  38647  dalemcjden  38649  dalem21  38651  dalem22  38652  dalem23  38653  dalem24  38654  dalem25  38655  dalem27  38656  dalem28  38657  dalem38  38667  dalem39  38668  dalem41  38670  dalem42  38671  dalem43  38672  dalem44  38673  dalem45  38674  dalem51  38680  dalem52  38681  dalem54  38683  dalem55  38684  dalem56  38685  dalem57  38686  dalem58  38687  dalem59  38688  dalem60  38689
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