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Theorem cdlemd6 40186
Description: Part of proof of Lemma D in [Crawley] p. 113. (Contributed by NM, 31-May-2012.)
Hypotheses
Ref Expression
cdlemd4.l = (le‘𝐾)
cdlemd4.j = (join‘𝐾)
cdlemd4.a 𝐴 = (Atoms‘𝐾)
cdlemd4.h 𝐻 = (LHyp‘𝐾)
cdlemd4.t 𝑇 = ((LTrn‘𝐾)‘𝑊)
Assertion
Ref Expression
cdlemd6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝐹𝑄) = (𝐺𝑄))

Proof of Theorem cdlemd6
StepHypRef Expression
1 simp3 1137 . . . . . . 7 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝐹𝑃) = (𝐺𝑃))
21oveq2d 7447 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝑃 (𝐹𝑃)) = (𝑃 (𝐺𝑃)))
32oveq1d 7446 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → ((𝑃 (𝐹𝑃))(meet‘𝐾)𝑊) = ((𝑃 (𝐺𝑃))(meet‘𝐾)𝑊))
4 simp1l 1196 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝐾 ∈ HL ∧ 𝑊𝐻))
5 simp1rl 1237 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → 𝐹𝑇)
6 simp21 1205 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝑃𝐴 ∧ ¬ 𝑃 𝑊))
7 cdlemd4.l . . . . . . 7 = (le‘𝐾)
8 cdlemd4.j . . . . . . 7 = (join‘𝐾)
9 eqid 2735 . . . . . . 7 (meet‘𝐾) = (meet‘𝐾)
10 cdlemd4.a . . . . . . 7 𝐴 = (Atoms‘𝐾)
11 cdlemd4.h . . . . . . 7 𝐻 = (LHyp‘𝐾)
12 cdlemd4.t . . . . . . 7 𝑇 = ((LTrn‘𝐾)‘𝑊)
13 eqid 2735 . . . . . . 7 ((trL‘𝐾)‘𝑊) = ((trL‘𝐾)‘𝑊)
147, 8, 9, 10, 11, 12, 13trlval2 40146 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝐹𝑇 ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊)) → (((trL‘𝐾)‘𝑊)‘𝐹) = ((𝑃 (𝐹𝑃))(meet‘𝐾)𝑊))
154, 5, 6, 14syl3anc 1370 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (((trL‘𝐾)‘𝑊)‘𝐹) = ((𝑃 (𝐹𝑃))(meet‘𝐾)𝑊))
16 simp1rr 1238 . . . . . 6 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → 𝐺𝑇)
177, 8, 9, 10, 11, 12, 13trlval2 40146 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ 𝐺𝑇 ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊)) → (((trL‘𝐾)‘𝑊)‘𝐺) = ((𝑃 (𝐺𝑃))(meet‘𝐾)𝑊))
184, 16, 6, 17syl3anc 1370 . . . . 5 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (((trL‘𝐾)‘𝑊)‘𝐺) = ((𝑃 (𝐺𝑃))(meet‘𝐾)𝑊))
193, 15, 183eqtr4d 2785 . . . 4 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (((trL‘𝐾)‘𝑊)‘𝐹) = (((trL‘𝐾)‘𝑊)‘𝐺))
2019oveq2d 7447 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝑄 (((trL‘𝐾)‘𝑊)‘𝐹)) = (𝑄 (((trL‘𝐾)‘𝑊)‘𝐺)))
211oveq1d 7446 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → ((𝐹𝑃) ((𝑃 𝑄)(meet‘𝐾)𝑊)) = ((𝐺𝑃) ((𝑃 𝑄)(meet‘𝐾)𝑊)))
2220, 21oveq12d 7449 . 2 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → ((𝑄 (((trL‘𝐾)‘𝑊)‘𝐹))(meet‘𝐾)((𝐹𝑃) ((𝑃 𝑄)(meet‘𝐾)𝑊))) = ((𝑄 (((trL‘𝐾)‘𝑊)‘𝐺))(meet‘𝐾)((𝐺𝑃) ((𝑃 𝑄)(meet‘𝐾)𝑊))))
23 simp22 1206 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝑄𝐴 ∧ ¬ 𝑄 𝑊))
24 simp23 1207 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → ¬ 𝑄 (𝑃 (𝐹𝑃)))
257, 8, 9, 10, 11, 12, 13cdlemc 40180 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇 ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊)) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) → (𝐹𝑄) = ((𝑄 (((trL‘𝐾)‘𝑊)‘𝐹))(meet‘𝐾)((𝐹𝑃) ((𝑃 𝑄)(meet‘𝐾)𝑊))))
264, 5, 6, 23, 24, 25syl131anc 1382 . 2 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝐹𝑄) = ((𝑄 (((trL‘𝐾)‘𝑊)‘𝐹))(meet‘𝐾)((𝐹𝑃) ((𝑃 𝑄)(meet‘𝐾)𝑊))))
27 oveq2 7439 . . . . . . 7 ((𝐹𝑃) = (𝐺𝑃) → (𝑃 (𝐹𝑃)) = (𝑃 (𝐺𝑃)))
2827breq2d 5160 . . . . . 6 ((𝐹𝑃) = (𝐺𝑃) → (𝑄 (𝑃 (𝐹𝑃)) ↔ 𝑄 (𝑃 (𝐺𝑃))))
2928notbid 318 . . . . 5 ((𝐹𝑃) = (𝐺𝑃) → (¬ 𝑄 (𝑃 (𝐹𝑃)) ↔ ¬ 𝑄 (𝑃 (𝐺𝑃))))
3029biimpd 229 . . . 4 ((𝐹𝑃) = (𝐺𝑃) → (¬ 𝑄 (𝑃 (𝐹𝑃)) → ¬ 𝑄 (𝑃 (𝐺𝑃))))
311, 24, 30sylc 65 . . 3 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → ¬ 𝑄 (𝑃 (𝐺𝑃)))
327, 8, 9, 10, 11, 12, 13cdlemc 40180 . . 3 (((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐺𝑇 ∧ (𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊)) ∧ ¬ 𝑄 (𝑃 (𝐺𝑃))) → (𝐺𝑄) = ((𝑄 (((trL‘𝐾)‘𝑊)‘𝐺))(meet‘𝐾)((𝐺𝑃) ((𝑃 𝑄)(meet‘𝐾)𝑊))))
334, 16, 6, 23, 31, 32syl131anc 1382 . 2 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝐺𝑄) = ((𝑄 (((trL‘𝐾)‘𝑊)‘𝐺))(meet‘𝐾)((𝐺𝑃) ((𝑃 𝑄)(meet‘𝐾)𝑊))))
3422, 26, 333eqtr4d 2785 1 ((((𝐾 ∈ HL ∧ 𝑊𝐻) ∧ (𝐹𝑇𝐺𝑇)) ∧ ((𝑃𝐴 ∧ ¬ 𝑃 𝑊) ∧ (𝑄𝐴 ∧ ¬ 𝑄 𝑊) ∧ ¬ 𝑄 (𝑃 (𝐹𝑃))) ∧ (𝐹𝑃) = (𝐺𝑃)) → (𝐹𝑄) = (𝐺𝑄))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 395  w3a 1086   = wceq 1537  wcel 2106   class class class wbr 5148  cfv 6563  (class class class)co 7431  lecple 17305  joincjn 18369  meetcmee 18370  Atomscatm 39245  HLchlt 39332  LHypclh 39967  LTrncltrn 40084  trLctrl 40141
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-10 2139  ax-11 2155  ax-12 2175  ax-ext 2706  ax-rep 5285  ax-sep 5302  ax-nul 5312  ax-pow 5371  ax-pr 5438  ax-un 7754
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1540  df-fal 1550  df-ex 1777  df-nf 1781  df-sb 2063  df-mo 2538  df-eu 2567  df-clab 2713  df-cleq 2727  df-clel 2814  df-nfc 2890  df-ne 2939  df-ral 3060  df-rex 3069  df-rmo 3378  df-reu 3379  df-rab 3434  df-v 3480  df-sbc 3792  df-csb 3909  df-dif 3966  df-un 3968  df-in 3970  df-ss 3980  df-nul 4340  df-if 4532  df-pw 4607  df-sn 4632  df-pr 4634  df-op 4638  df-uni 4913  df-iun 4998  df-iin 4999  df-br 5149  df-opab 5211  df-mpt 5232  df-id 5583  df-xp 5695  df-rel 5696  df-cnv 5697  df-co 5698  df-dm 5699  df-rn 5700  df-res 5701  df-ima 5702  df-iota 6516  df-fun 6565  df-fn 6566  df-f 6567  df-f1 6568  df-fo 6569  df-f1o 6570  df-fv 6571  df-riota 7388  df-ov 7434  df-oprab 7435  df-mpo 7436  df-1st 8013  df-2nd 8014  df-map 8867  df-proset 18352  df-poset 18371  df-plt 18388  df-lub 18404  df-glb 18405  df-join 18406  df-meet 18407  df-p0 18483  df-p1 18484  df-lat 18490  df-clat 18557  df-oposet 39158  df-ol 39160  df-oml 39161  df-covers 39248  df-ats 39249  df-atl 39280  df-cvlat 39304  df-hlat 39333  df-llines 39481  df-psubsp 39486  df-pmap 39487  df-padd 39779  df-lhyp 39971  df-laut 39972  df-ldil 40087  df-ltrn 40088  df-trl 40142
This theorem is referenced by:  cdlemd7  40187
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