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

Theorem dalemswapyzps 39673
Description: Lemma for dath 39719. Swap the 𝑌 and 𝑍 planes, along with dummy concurrency (center of perspectivity) atoms 𝑐 and 𝑑, to allow reuse of analogous proofs. (Contributed by NM, 17-Aug-2012.)
Hypotheses
Ref Expression
dalem.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)))))
dalem.l = (le‘𝐾)
dalem.j = (join‘𝐾)
dalem.a 𝐴 = (Atoms‘𝐾)
dalem.ps (𝜓 ↔ ((𝑐𝐴𝑑𝐴) ∧ ¬ 𝑐 𝑌 ∧ (𝑑𝑐 ∧ ¬ 𝑑 𝑌𝐶 (𝑐 𝑑))))
Assertion
Ref Expression
dalemswapyzps ((𝜑𝑌 = 𝑍𝜓) → ((𝑑𝐴𝑐𝐴) ∧ ¬ 𝑑 𝑍 ∧ (𝑐𝑑 ∧ ¬ 𝑐 𝑍𝐶 (𝑑 𝑐))))

Proof of Theorem dalemswapyzps
StepHypRef Expression
1 dalem.ps . . . . 5 (𝜓 ↔ ((𝑐𝐴𝑑𝐴) ∧ ¬ 𝑐 𝑌 ∧ (𝑑𝑐 ∧ ¬ 𝑑 𝑌𝐶 (𝑐 𝑑))))
21dalemddea 39667 . . . 4 (𝜓𝑑𝐴)
31dalemccea 39666 . . . 4 (𝜓𝑐𝐴)
42, 3jca 511 . . 3 (𝜓 → (𝑑𝐴𝑐𝐴))
543ad2ant3 1135 . 2 ((𝜑𝑌 = 𝑍𝜓) → (𝑑𝐴𝑐𝐴))
61dalem-ddly 39669 . . . 4 (𝜓 → ¬ 𝑑 𝑌)
763ad2ant3 1135 . . 3 ((𝜑𝑌 = 𝑍𝜓) → ¬ 𝑑 𝑌)
8 simp2 1137 . . . 4 ((𝜑𝑌 = 𝑍𝜓) → 𝑌 = 𝑍)
98breq2d 5104 . . 3 ((𝜑𝑌 = 𝑍𝜓) → (𝑑 𝑌𝑑 𝑍))
107, 9mtbid 324 . 2 ((𝜑𝑌 = 𝑍𝜓) → ¬ 𝑑 𝑍)
111dalemccnedd 39670 . . . 4 (𝜓𝑐𝑑)
12113ad2ant3 1135 . . 3 ((𝜑𝑌 = 𝑍𝜓) → 𝑐𝑑)
131dalem-ccly 39668 . . . . 5 (𝜓 → ¬ 𝑐 𝑌)
14133ad2ant3 1135 . . . 4 ((𝜑𝑌 = 𝑍𝜓) → ¬ 𝑐 𝑌)
158breq2d 5104 . . . 4 ((𝜑𝑌 = 𝑍𝜓) → (𝑐 𝑌𝑐 𝑍))
1614, 15mtbid 324 . . 3 ((𝜑𝑌 = 𝑍𝜓) → ¬ 𝑐 𝑍)
171dalemclccjdd 39671 . . . . 5 (𝜓𝐶 (𝑐 𝑑))
18173ad2ant3 1135 . . . 4 ((𝜑𝑌 = 𝑍𝜓) → 𝐶 (𝑐 𝑑))
19 dalem.ph . . . . . . 7 (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)))))
2019dalemkehl 39606 . . . . . 6 (𝜑𝐾 ∈ HL)
21203ad2ant1 1133 . . . . 5 ((𝜑𝑌 = 𝑍𝜓) → 𝐾 ∈ HL)
2233ad2ant3 1135 . . . . 5 ((𝜑𝑌 = 𝑍𝜓) → 𝑐𝐴)
2323ad2ant3 1135 . . . . 5 ((𝜑𝑌 = 𝑍𝜓) → 𝑑𝐴)
24 dalem.j . . . . . 6 = (join‘𝐾)
25 dalem.a . . . . . 6 𝐴 = (Atoms‘𝐾)
2624, 25hlatjcom 39351 . . . . 5 ((𝐾 ∈ HL ∧ 𝑐𝐴𝑑𝐴) → (𝑐 𝑑) = (𝑑 𝑐))
2721, 22, 23, 26syl3anc 1373 . . . 4 ((𝜑𝑌 = 𝑍𝜓) → (𝑐 𝑑) = (𝑑 𝑐))
2818, 27breqtrd 5118 . . 3 ((𝜑𝑌 = 𝑍𝜓) → 𝐶 (𝑑 𝑐))
2912, 16, 283jca 1128 . 2 ((𝜑𝑌 = 𝑍𝜓) → (𝑐𝑑 ∧ ¬ 𝑐 𝑍𝐶 (𝑑 𝑐)))
305, 10, 293jca 1128 1 ((𝜑𝑌 = 𝑍𝜓) → ((𝑑𝐴𝑐𝐴) ∧ ¬ 𝑑 𝑍 ∧ (𝑐𝑑 ∧ ¬ 𝑐 𝑍𝐶 (𝑑 𝑐))))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 206  wa 395  w3a 1086   = wceq 1540  wcel 2109  wne 2925   class class class wbr 5092  cfv 6482  (class class class)co 7349  Basecbs 17120  lecple 17168  joincjn 18217  Atomscatm 39246  HLchlt 39333
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5218  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-ral 3045  df-rex 3054  df-rmo 3343  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-iun 4943  df-br 5093  df-opab 5155  df-mpt 5174  df-id 5514  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-riota 7306  df-ov 7352  df-oprab 7353  df-lub 18250  df-join 18252  df-lat 18338  df-ats 39250  df-atl 39281  df-cvlat 39305  df-hlat 39334
This theorem is referenced by:  dalem56  39711
  Copyright terms: Public domain W3C validator