Mathbox for Norm Megill < Previous   Next > Nearby theorems Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  cdleme43aN Structured version   Visualization version   GIF version

Theorem cdleme43aN 34795
 Description: Part of proof of Lemma E in [Crawley] p. 113. TODO: FIX COMMENT p. 115 penultimate line: g(f(r)) = (p v q) ^ (g(s) v v1). (Contributed by NM, 20-Mar-2013.) (New usage is discouraged.)
Hypotheses
Ref Expression
cdleme43.b 𝐵 = (Base‘𝐾)
cdleme43.l = (le‘𝐾)
cdleme43.j = (join‘𝐾)
cdleme43.m = (meet‘𝐾)
cdleme43.a 𝐴 = (Atoms‘𝐾)
cdleme43.h 𝐻 = (LHyp‘𝐾)
cdleme43.u 𝑈 = ((𝑃 𝑄) 𝑊)
cdleme43.x 𝑋 = ((𝑄 𝑃) 𝑊)
cdleme43.c 𝐶 = ((𝑆 𝑈) (𝑄 ((𝑃 𝑆) 𝑊)))
cdleme43.f 𝑍 = ((𝑃 𝑄) (𝐶 ((𝑅 𝑆) 𝑊)))
cdleme43.d 𝐷 = ((𝑆 𝑋) (𝑃 ((𝑄 𝑆) 𝑊)))
cdleme43.g 𝐺 = ((𝑄 𝑃) (𝐷 ((𝑍 𝑆) 𝑊)))
cdleme43.e 𝐸 = ((𝐷 𝑈) (𝑄 ((𝑃 𝐷) 𝑊)))
cdleme43.v 𝑉 = ((𝑍 𝑆) 𝑊)
cdleme43.y 𝑌 = ((𝑅 𝐷) 𝑊)
Assertion
Ref Expression
cdleme43aN ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → 𝐺 = ((𝑃 𝑄) (𝐷 𝑉)))

Proof of Theorem cdleme43aN
StepHypRef Expression
1 cdleme43.j . . . 4 = (join‘𝐾)
2 cdleme43.a . . . 4 𝐴 = (Atoms‘𝐾)
31, 2hlatjcom 33672 . . 3 ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → (𝑃 𝑄) = (𝑄 𝑃))
4 cdleme43.v . . . . 5 𝑉 = ((𝑍 𝑆) 𝑊)
54oveq2i 6560 . . . 4 (𝐷 𝑉) = (𝐷 ((𝑍 𝑆) 𝑊))
65a1i 11 . . 3 ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → (𝐷 𝑉) = (𝐷 ((𝑍 𝑆) 𝑊)))
73, 6oveq12d 6567 . 2 ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → ((𝑃 𝑄) (𝐷 𝑉)) = ((𝑄 𝑃) (𝐷 ((𝑍 𝑆) 𝑊))))
8 cdleme43.g . 2 𝐺 = ((𝑄 𝑃) (𝐷 ((𝑍 𝑆) 𝑊)))
97, 8syl6reqr 2663 1 ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → 𝐺 = ((𝑃 𝑄) (𝐷 𝑉)))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977  ‘cfv 5804  (class class class)co 6549  Basecbs 15695  lecple 15775  joincjn 16767  meetcmee 16768  Atomscatm 33568  HLchlt 33655  LHypclh 34288 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-ral 2901  df-rex 2902  df-reu 2903  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-op 4132  df-uni 4373  df-iun 4457  df-br 4584  df-opab 4644  df-mpt 4645  df-id 4953  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-riota 6511  df-ov 6552  df-oprab 6553  df-lub 16797  df-join 16799  df-lat 16869  df-ats 33572  df-atl 33603  df-cvlat 33627  df-hlat 33656 This theorem is referenced by: (None)
 Copyright terms: Public domain W3C validator