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Theorem cdleme17c 39649
Description: Part of proof of Lemma E in [Crawley] p. 114, first part of 4th paragraph. 𝐶 represents s1. We show, in their notation, (p q) (q s1)=q. (Contributed by NM, 11-Oct-2012.)
Hypotheses
Ref Expression
cdleme17.l = (le‘𝐾)
cdleme17.j = (join‘𝐾)
cdleme17.m = (meet‘𝐾)
cdleme17.a 𝐴 = (Atoms‘𝐾)
cdleme17.h 𝐻 = (LHyp‘𝐾)
cdleme17.u 𝑈 = ((𝑃 𝑄) 𝑊)
cdleme17.f 𝐹 = ((𝑆 𝑈) (𝑄 ((𝑃 𝑆) 𝑊)))
cdleme17.g 𝐺 = ((𝑃 𝑄) (𝐹 ((𝑃 𝑆) 𝑊)))
cdleme17.c 𝐶 = ((𝑃 𝑆) 𝑊)
Assertion
Ref Expression
cdleme17c (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → ((𝑃 𝑄) (𝑄 𝐶)) = 𝑄)

Proof of Theorem cdleme17c
StepHypRef Expression
1 simp1l 1194 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝐾 ∈ HL)
2 simp2l 1196 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝑃𝐴)
3 simp31 1206 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝑄𝐴)
4 cdleme17.j . . . . 5 = (join‘𝐾)
5 cdleme17.a . . . . 5 𝐴 = (Atoms‘𝐾)
64, 5hlatjcom 38728 . . . 4 ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → (𝑃 𝑄) = (𝑄 𝑃))
71, 2, 3, 6syl3anc 1368 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → (𝑃 𝑄) = (𝑄 𝑃))
87oveq1d 7416 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → ((𝑃 𝑄) (𝑄 𝐶)) = ((𝑄 𝑃) (𝑄 𝐶)))
9 simp1r 1195 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝑊𝐻)
10 simp2r 1197 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → ¬ 𝑃 𝑊)
11 simp32 1207 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝑆𝐴)
121hllatd 38724 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝐾 ∈ Lat)
13 eqid 2724 . . . . . . 7 (Base‘𝐾) = (Base‘𝐾)
1413, 5atbase 38649 . . . . . 6 (𝑆𝐴𝑆 ∈ (Base‘𝐾))
1511, 14syl 17 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝑆 ∈ (Base‘𝐾))
1613, 5atbase 38649 . . . . . 6 (𝑃𝐴𝑃 ∈ (Base‘𝐾))
172, 16syl 17 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝑃 ∈ (Base‘𝐾))
1813, 5atbase 38649 . . . . . 6 (𝑄𝐴𝑄 ∈ (Base‘𝐾))
193, 18syl 17 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝑄 ∈ (Base‘𝐾))
20 simp33 1208 . . . . 5 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → ¬ 𝑆 (𝑃 𝑄))
21 cdleme17.l . . . . . . 7 = (le‘𝐾)
2213, 21, 4latnlej1l 18412 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑆 ∈ (Base‘𝐾) ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑄 ∈ (Base‘𝐾)) ∧ ¬ 𝑆 (𝑃 𝑄)) → 𝑆𝑃)
2322necomd 2988 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑆 ∈ (Base‘𝐾) ∧ 𝑃 ∈ (Base‘𝐾) ∧ 𝑄 ∈ (Base‘𝐾)) ∧ ¬ 𝑆 (𝑃 𝑄)) → 𝑃𝑆)
2412, 15, 17, 19, 20, 23syl131anc 1380 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝑃𝑆)
25 cdleme17.m . . . . 5 = (meet‘𝐾)
26 cdleme17.h . . . . 5 𝐻 = (LHyp‘𝐾)
27 cdleme17.c . . . . 5 𝐶 = ((𝑃 𝑆) 𝑊)
2821, 4, 25, 5, 26, 27cdleme9a 39612 . . . 4 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑆𝐴𝑃𝑆)) → 𝐶𝐴)
291, 9, 2, 10, 11, 24, 28syl222anc 1383 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → 𝐶𝐴)
30 cdleme17.u . . . 4 𝑈 = ((𝑃 𝑄) 𝑊)
31 cdleme17.f . . . 4 𝐹 = ((𝑆 𝑈) (𝑄 ((𝑃 𝑆) 𝑊)))
32 cdleme17.g . . . 4 𝐺 = ((𝑃 𝑄) (𝐹 ((𝑃 𝑆) 𝑊)))
3321, 4, 25, 5, 26, 30, 31, 32, 27cdleme17b 39648 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → ¬ 𝐶 (𝑃 𝑄))
3421, 4, 25, 52llnma1 39148 . . 3 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝐶𝐴) ∧ ¬ 𝐶 (𝑃 𝑄)) → ((𝑄 𝑃) (𝑄 𝐶)) = 𝑄)
351, 2, 3, 29, 33, 34syl131anc 1380 . 2 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → ((𝑄 𝑃) (𝑄 𝐶)) = 𝑄)
368, 35eqtrd 2764 1 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴𝑆𝐴 ∧ ¬ 𝑆 (𝑃 𝑄))) → ((𝑃 𝑄) (𝑄 𝐶)) = 𝑄)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 395  w3a 1084   = wceq 1533  wcel 2098  wne 2932   class class class wbr 5138  cfv 6533  (class class class)co 7401  Basecbs 17143  lecple 17203  joincjn 18266  meetcmee 18267  Latclat 18386  Atomscatm 38623  HLchlt 38710  LHypclh 39345
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1905  ax-6 1963  ax-7 2003  ax-8 2100  ax-9 2108  ax-10 2129  ax-11 2146  ax-12 2163  ax-ext 2695  ax-rep 5275  ax-sep 5289  ax-nul 5296  ax-pow 5353  ax-pr 5417  ax-un 7718
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 845  df-3an 1086  df-tru 1536  df-fal 1546  df-ex 1774  df-nf 1778  df-sb 2060  df-mo 2526  df-eu 2555  df-clab 2702  df-cleq 2716  df-clel 2802  df-nfc 2877  df-ne 2933  df-ral 3054  df-rex 3063  df-rmo 3368  df-reu 3369  df-rab 3425  df-v 3468  df-sbc 3770  df-csb 3886  df-dif 3943  df-un 3945  df-in 3947  df-ss 3957  df-nul 4315  df-if 4521  df-pw 4596  df-sn 4621  df-pr 4623  df-op 4627  df-uni 4900  df-iun 4989  df-iin 4990  df-br 5139  df-opab 5201  df-mpt 5222  df-id 5564  df-xp 5672  df-rel 5673  df-cnv 5674  df-co 5675  df-dm 5676  df-rn 5677  df-res 5678  df-ima 5679  df-iota 6485  df-fun 6535  df-fn 6536  df-f 6537  df-f1 6538  df-fo 6539  df-f1o 6540  df-fv 6541  df-riota 7357  df-ov 7404  df-oprab 7405  df-mpo 7406  df-1st 7968  df-2nd 7969  df-proset 18250  df-poset 18268  df-plt 18285  df-lub 18301  df-glb 18302  df-join 18303  df-meet 18304  df-p0 18380  df-p1 18381  df-lat 18387  df-clat 18454  df-oposet 38536  df-ol 38538  df-oml 38539  df-covers 38626  df-ats 38627  df-atl 38658  df-cvlat 38682  df-hlat 38711  df-psubsp 38864  df-pmap 38865  df-padd 39157  df-lhyp 39349
This theorem is referenced by:  cdleme17d1  39650
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