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Theorem cdleme0cq 39599
Description: Part of proof of Lemma E in [Crawley] p. 113. (Contributed by NM, 25-Apr-2013.)
Hypotheses
Ref Expression
cdleme0.l ≀ = (leβ€˜πΎ)
cdleme0.j ∨ = (joinβ€˜πΎ)
cdleme0.m ∧ = (meetβ€˜πΎ)
cdleme0.a 𝐴 = (Atomsβ€˜πΎ)
cdleme0.h 𝐻 = (LHypβ€˜πΎ)
cdleme0.u π‘ˆ = ((𝑃 ∨ 𝑄) ∧ π‘Š)
Assertion
Ref Expression
cdleme0cq (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ (𝑄 ∨ π‘ˆ) = (𝑃 ∨ 𝑄))

Proof of Theorem cdleme0cq
StepHypRef Expression
1 cdleme0.u . . 3 π‘ˆ = ((𝑃 ∨ 𝑄) ∧ π‘Š)
21oveq2i 7416 . 2 (𝑄 ∨ π‘ˆ) = (𝑄 ∨ ((𝑃 ∨ 𝑄) ∧ π‘Š))
3 simpll 764 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ 𝐾 ∈ HL)
4 simprrl 778 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ 𝑄 ∈ 𝐴)
5 hllat 38746 . . . . . 6 (𝐾 ∈ HL β†’ 𝐾 ∈ Lat)
65ad2antrr 723 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ 𝐾 ∈ Lat)
7 eqid 2726 . . . . . . 7 (Baseβ€˜πΎ) = (Baseβ€˜πΎ)
8 cdleme0.a . . . . . . 7 𝐴 = (Atomsβ€˜πΎ)
97, 8atbase 38672 . . . . . 6 (𝑃 ∈ 𝐴 β†’ 𝑃 ∈ (Baseβ€˜πΎ))
109ad2antrl 725 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ 𝑃 ∈ (Baseβ€˜πΎ))
117, 8atbase 38672 . . . . . 6 (𝑄 ∈ 𝐴 β†’ 𝑄 ∈ (Baseβ€˜πΎ))
124, 11syl 17 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ 𝑄 ∈ (Baseβ€˜πΎ))
13 cdleme0.j . . . . . 6 ∨ = (joinβ€˜πΎ)
147, 13latjcl 18404 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Baseβ€˜πΎ) ∧ 𝑄 ∈ (Baseβ€˜πΎ)) β†’ (𝑃 ∨ 𝑄) ∈ (Baseβ€˜πΎ))
156, 10, 12, 14syl3anc 1368 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ (𝑃 ∨ 𝑄) ∈ (Baseβ€˜πΎ))
16 cdleme0.h . . . . . 6 𝐻 = (LHypβ€˜πΎ)
177, 16lhpbase 39382 . . . . 5 (π‘Š ∈ 𝐻 β†’ π‘Š ∈ (Baseβ€˜πΎ))
1817ad2antlr 724 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ π‘Š ∈ (Baseβ€˜πΎ))
19 cdleme0.l . . . . . 6 ≀ = (leβ€˜πΎ)
207, 19, 13latlej2 18414 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑃 ∈ (Baseβ€˜πΎ) ∧ 𝑄 ∈ (Baseβ€˜πΎ)) β†’ 𝑄 ≀ (𝑃 ∨ 𝑄))
216, 10, 12, 20syl3anc 1368 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ 𝑄 ≀ (𝑃 ∨ 𝑄))
22 cdleme0.m . . . . 5 ∧ = (meetβ€˜πΎ)
237, 19, 13, 22, 8atmod3i1 39248 . . . 4 ((𝐾 ∈ HL ∧ (𝑄 ∈ 𝐴 ∧ (𝑃 ∨ 𝑄) ∈ (Baseβ€˜πΎ) ∧ π‘Š ∈ (Baseβ€˜πΎ)) ∧ 𝑄 ≀ (𝑃 ∨ 𝑄)) β†’ (𝑄 ∨ ((𝑃 ∨ 𝑄) ∧ π‘Š)) = ((𝑃 ∨ 𝑄) ∧ (𝑄 ∨ π‘Š)))
243, 4, 15, 18, 21, 23syl131anc 1380 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ (𝑄 ∨ ((𝑃 ∨ 𝑄) ∧ π‘Š)) = ((𝑃 ∨ 𝑄) ∧ (𝑄 ∨ π‘Š)))
25 eqid 2726 . . . . . 6 (1.β€˜πΎ) = (1.β€˜πΎ)
2619, 13, 25, 8, 16lhpjat2 39405 . . . . 5 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š)) β†’ (𝑄 ∨ π‘Š) = (1.β€˜πΎ))
2726adantrl 713 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ (𝑄 ∨ π‘Š) = (1.β€˜πΎ))
2827oveq2d 7421 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ ((𝑃 ∨ 𝑄) ∧ (𝑄 ∨ π‘Š)) = ((𝑃 ∨ 𝑄) ∧ (1.β€˜πΎ)))
29 hlol 38744 . . . . 5 (𝐾 ∈ HL β†’ 𝐾 ∈ OL)
3029ad2antrr 723 . . . 4 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ 𝐾 ∈ OL)
317, 22, 25olm11 38610 . . . 4 ((𝐾 ∈ OL ∧ (𝑃 ∨ 𝑄) ∈ (Baseβ€˜πΎ)) β†’ ((𝑃 ∨ 𝑄) ∧ (1.β€˜πΎ)) = (𝑃 ∨ 𝑄))
3230, 15, 31syl2anc 583 . . 3 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ ((𝑃 ∨ 𝑄) ∧ (1.β€˜πΎ)) = (𝑃 ∨ 𝑄))
3324, 28, 323eqtrd 2770 . 2 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ (𝑄 ∨ ((𝑃 ∨ 𝑄) ∧ π‘Š)) = (𝑃 ∨ 𝑄))
342, 33eqtrid 2778 1 (((𝐾 ∈ HL ∧ π‘Š ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ (𝑄 ∈ 𝐴 ∧ Β¬ 𝑄 ≀ π‘Š))) β†’ (𝑄 ∨ π‘ˆ) = (𝑃 ∨ 𝑄))
Colors of variables: wff setvar class
Syntax hints:  Β¬ wn 3   β†’ wi 4   ∧ wa 395   = wceq 1533   ∈ wcel 2098   class class class wbr 5141  β€˜cfv 6537  (class class class)co 7405  Basecbs 17153  lecple 17213  joincjn 18276  meetcmee 18277  1.cp1 18389  Latclat 18396  OLcol 38557  Atomscatm 38646  HLchlt 38733  LHypclh 39368
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 7722
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 6489  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-riota 7361  df-ov 7408  df-oprab 7409  df-mpo 7410  df-1st 7974  df-2nd 7975  df-proset 18260  df-poset 18278  df-plt 18295  df-lub 18311  df-glb 18312  df-join 18313  df-meet 18314  df-p0 18390  df-p1 18391  df-lat 18397  df-clat 18464  df-oposet 38559  df-ol 38561  df-oml 38562  df-covers 38649  df-ats 38650  df-atl 38681  df-cvlat 38705  df-hlat 38734  df-psubsp 38887  df-pmap 38888  df-padd 39180  df-lhyp 39372
This theorem is referenced by:  cdleme11g  39649  cdlemg4b2  39994  cdlemg13a  40035
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