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Theorem cdlemd1 39581
Description: Part of proof of Lemma D in [Crawley] p. 113. (Contributed by NM, 29-May-2012.)
Hypotheses
Ref Expression
cdlemd1.l ≀ = (leβ€˜πΎ)
cdlemd1.j ∨ = (joinβ€˜πΎ)
cdlemd1.m ∧ = (meetβ€˜πΎ)
cdlemd1.a 𝐴 = (Atomsβ€˜πΎ)
cdlemd1.h 𝐻 = (LHypβ€˜πΎ)
Assertion
Ref Expression
cdlemd1 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑅 = ((𝑃 ∨ ((𝑃 ∨ 𝑅) ∧ π‘Š)) ∧ (𝑄 ∨ ((𝑄 ∨ 𝑅) ∧ π‘Š))))

Proof of Theorem cdlemd1
StepHypRef Expression
1 simpll 764 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝐾 ∈ HL)
2 simpr1l 1227 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑃 ∈ 𝐴)
3 simpr2l 1229 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑄 ∈ 𝐴)
4 simpr31 1260 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑅 ∈ 𝐴)
5 simpr32 1261 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑃 β‰  𝑄)
6 simpr33 1262 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄))
7 cdlemd1.l . . . 4 ≀ = (leβ€˜πΎ)
8 cdlemd1.j . . . 4 ∨ = (joinβ€˜πΎ)
9 cdlemd1.m . . . 4 ∧ = (meetβ€˜πΎ)
10 cdlemd1.a . . . 4 𝐴 = (Atomsβ€˜πΎ)
117, 8, 9, 102llnma2 39172 . . 3 ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴) ∧ (𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄))) β†’ ((𝑅 ∨ 𝑃) ∧ (𝑅 ∨ 𝑄)) = 𝑅)
121, 2, 3, 4, 5, 6, 11syl132anc 1385 . 2 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ ((𝑅 ∨ 𝑃) ∧ (𝑅 ∨ 𝑄)) = 𝑅)
13 hllat 38745 . . . . . 6 (𝐾 ∈ HL β†’ 𝐾 ∈ Lat)
1413ad2antrr 723 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝐾 ∈ Lat)
15 eqid 2726 . . . . . . 7 (Baseβ€˜πΎ) = (Baseβ€˜πΎ)
1615, 10atbase 38671 . . . . . 6 (𝑅 ∈ 𝐴 β†’ 𝑅 ∈ (Baseβ€˜πΎ))
174, 16syl 17 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑅 ∈ (Baseβ€˜πΎ))
1815, 10atbase 38671 . . . . . 6 (𝑃 ∈ 𝐴 β†’ 𝑃 ∈ (Baseβ€˜πΎ))
192, 18syl 17 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑃 ∈ (Baseβ€˜πΎ))
2015, 8latjcom 18409 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑅 ∈ (Baseβ€˜πΎ) ∧ 𝑃 ∈ (Baseβ€˜πΎ)) β†’ (𝑅 ∨ 𝑃) = (𝑃 ∨ 𝑅))
2114, 17, 19, 20syl3anc 1368 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝑅 ∨ 𝑃) = (𝑃 ∨ 𝑅))
22 simpl 482 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝐾 ∈ HL ∧ π‘Š ∈ 𝐻))
23 simpr1 1191 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š))
24 cdlemd1.h . . . . . 6 𝐻 = (LHypβ€˜πΎ)
2515, 7, 8, 9, 10, 24cdlemc1 39574 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ 𝑅 ∈ (Baseβ€˜πΎ) ∧ (𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š)) β†’ (𝑃 ∨ ((𝑃 ∨ 𝑅) ∧ π‘Š)) = (𝑃 ∨ 𝑅))
2622, 17, 23, 25syl3anc 1368 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝑃 ∨ ((𝑃 ∨ 𝑅) ∧ π‘Š)) = (𝑃 ∨ 𝑅))
2721, 26eqtr4d 2769 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝑅 ∨ 𝑃) = (𝑃 ∨ ((𝑃 ∨ 𝑅) ∧ π‘Š)))
2815, 10atbase 38671 . . . . . 6 (𝑄 ∈ 𝐴 β†’ 𝑄 ∈ (Baseβ€˜πΎ))
293, 28syl 17 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑄 ∈ (Baseβ€˜πΎ))
3015, 8latjcom 18409 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑅 ∈ (Baseβ€˜πΎ) ∧ 𝑄 ∈ (Baseβ€˜πΎ)) β†’ (𝑅 ∨ 𝑄) = (𝑄 ∨ 𝑅))
3114, 17, 29, 30syl3anc 1368 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝑅 ∨ 𝑄) = (𝑄 ∨ 𝑅))
32 simpr2 1192 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))
3315, 7, 8, 9, 10, 24cdlemc1 39574 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ 𝑅 ∈ (Baseβ€˜πΎ) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š)) β†’ (𝑄 ∨ ((𝑄 ∨ 𝑅) ∧ π‘Š)) = (𝑄 ∨ 𝑅))
3422, 17, 32, 33syl3anc 1368 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝑄 ∨ ((𝑄 ∨ 𝑅) ∧ π‘Š)) = (𝑄 ∨ 𝑅))
3531, 34eqtr4d 2769 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ (𝑅 ∨ 𝑄) = (𝑄 ∨ ((𝑄 ∨ 𝑅) ∧ π‘Š)))
3627, 35oveq12d 7422 . 2 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ ((𝑅 ∨ 𝑃) ∧ (𝑅 ∨ 𝑄)) = ((𝑃 ∨ ((𝑃 ∨ 𝑅) ∧ π‘Š)) ∧ (𝑄 ∨ ((𝑄 ∨ 𝑅) ∧ π‘Š))))
3712, 36eqtr3d 2768 1 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ ((𝑃 ∈ 𝐴 ∧ Β¬ 𝑃 ≀ π‘Š) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š) ∧ (𝑅 ∈ 𝐴 ∧ 𝑃 β‰  𝑄 ∧ Β¬ 𝑅 ≀ (𝑃 ∨ 𝑄)))) β†’ 𝑅 = ((𝑃 ∨ ((𝑃 ∨ 𝑅) ∧ π‘Š)) ∧ (𝑄 ∨ ((𝑄 ∨ 𝑅) ∧ π‘Š))))
Colors of variables: wff setvar class
Syntax hints:  Β¬ wn 3   β†’ wi 4   ∧ wa 395   ∧ w3a 1084   = wceq 1533   ∈ wcel 2098   β‰  wne 2934   class class class wbr 5141  β€˜cfv 6536  (class class class)co 7404  Basecbs 17150  lecple 17210  joincjn 18273  meetcmee 18274  Latclat 18393  Atomscatm 38645  HLchlt 38732  LHypclh 39367
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 2697  ax-rep 5278  ax-sep 5292  ax-nul 5299  ax-pow 5356  ax-pr 5420  ax-un 7721
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 2528  df-eu 2557  df-clab 2704  df-cleq 2718  df-clel 2804  df-nfc 2879  df-ne 2935  df-ral 3056  df-rex 3065  df-rmo 3370  df-reu 3371  df-rab 3427  df-v 3470  df-sbc 3773  df-csb 3889  df-dif 3946  df-un 3948  df-in 3950  df-ss 3960  df-nul 4318  df-if 4524  df-pw 4599  df-sn 4624  df-pr 4626  df-op 4630  df-uni 4903  df-iun 4992  df-iin 4993  df-br 5142  df-opab 5204  df-mpt 5225  df-id 5567  df-xp 5675  df-rel 5676  df-cnv 5677  df-co 5678  df-dm 5679  df-rn 5680  df-res 5681  df-ima 5682  df-iota 6488  df-fun 6538  df-fn 6539  df-f 6540  df-f1 6541  df-fo 6542  df-f1o 6543  df-fv 6544  df-riota 7360  df-ov 7407  df-oprab 7408  df-mpo 7409  df-1st 7971  df-2nd 7972  df-proset 18257  df-poset 18275  df-plt 18292  df-lub 18308  df-glb 18309  df-join 18310  df-meet 18311  df-p0 18387  df-p1 18388  df-lat 18394  df-clat 18461  df-oposet 38558  df-ol 38560  df-oml 38561  df-covers 38648  df-ats 38649  df-atl 38680  df-cvlat 38704  df-hlat 38733  df-psubsp 38886  df-pmap 38887  df-padd 39179  df-lhyp 39371
This theorem is referenced by:  cdlemd2  39582
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