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Theorem dihmeetlem7N 38551
Description: Lemma for isomorphism H of a lattice meet. (Contributed by NM, 6-Apr-2014.) (New usage is discouraged.)
Hypotheses
Ref Expression
dihmeetlem7.b 𝐵 = (Base‘𝐾)
dihmeetlem7.l = (le‘𝐾)
dihmeetlem7.j = (join‘𝐾)
dihmeetlem7.m = (meet‘𝐾)
dihmeetlem7.a 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
dihmeetlem7N (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → (((𝑋 𝑌) 𝑝) 𝑌) = (𝑋 𝑌))

Proof of Theorem dihmeetlem7N
StepHypRef Expression
1 simprr 772 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → ¬ 𝑝 𝑌)
2 simpl1 1188 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → 𝐾 ∈ HL)
3 hlatl 36601 . . . . . 6 (𝐾 ∈ HL → 𝐾 ∈ AtLat)
42, 3syl 17 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → 𝐾 ∈ AtLat)
5 simprl 770 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → 𝑝𝐴)
6 simpl3 1190 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → 𝑌𝐵)
7 dihmeetlem7.b . . . . . 6 𝐵 = (Base‘𝐾)
8 dihmeetlem7.l . . . . . 6 = (le‘𝐾)
9 dihmeetlem7.m . . . . . 6 = (meet‘𝐾)
10 eqid 2824 . . . . . 6 (0.‘𝐾) = (0.‘𝐾)
11 dihmeetlem7.a . . . . . 6 𝐴 = (Atoms‘𝐾)
127, 8, 9, 10, 11atnle 36558 . . . . 5 ((𝐾 ∈ AtLat ∧ 𝑝𝐴𝑌𝐵) → (¬ 𝑝 𝑌 ↔ (𝑝 𝑌) = (0.‘𝐾)))
134, 5, 6, 12syl3anc 1368 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → (¬ 𝑝 𝑌 ↔ (𝑝 𝑌) = (0.‘𝐾)))
141, 13mpbid 235 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → (𝑝 𝑌) = (0.‘𝐾))
1514oveq2d 7165 . 2 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → ((𝑋 𝑌) (𝑝 𝑌)) = ((𝑋 𝑌) (0.‘𝐾)))
162hllatd 36605 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → 𝐾 ∈ Lat)
17 simpl2 1189 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → 𝑋𝐵)
187, 9latmcl 17662 . . . 4 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) ∈ 𝐵)
1916, 17, 6, 18syl3anc 1368 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → (𝑋 𝑌) ∈ 𝐵)
207, 8, 9latmle2 17687 . . . 4 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) 𝑌)
2116, 17, 6, 20syl3anc 1368 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → (𝑋 𝑌) 𝑌)
22 dihmeetlem7.j . . . 4 = (join‘𝐾)
237, 8, 22, 9, 11atmod1i2 37100 . . 3 ((𝐾 ∈ HL ∧ (𝑝𝐴 ∧ (𝑋 𝑌) ∈ 𝐵𝑌𝐵) ∧ (𝑋 𝑌) 𝑌) → ((𝑋 𝑌) (𝑝 𝑌)) = (((𝑋 𝑌) 𝑝) 𝑌))
242, 5, 19, 6, 21, 23syl131anc 1380 . 2 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → ((𝑋 𝑌) (𝑝 𝑌)) = (((𝑋 𝑌) 𝑝) 𝑌))
25 hlol 36602 . . . 4 (𝐾 ∈ HL → 𝐾 ∈ OL)
262, 25syl 17 . . 3 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → 𝐾 ∈ OL)
277, 22, 10olj01 36466 . . 3 ((𝐾 ∈ OL ∧ (𝑋 𝑌) ∈ 𝐵) → ((𝑋 𝑌) (0.‘𝐾)) = (𝑋 𝑌))
2826, 19, 27syl2anc 587 . 2 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → ((𝑋 𝑌) (0.‘𝐾)) = (𝑋 𝑌))
2915, 24, 283eqtr3d 2867 1 (((𝐾 ∈ HL ∧ 𝑋𝐵𝑌𝐵) ∧ (𝑝𝐴 ∧ ¬ 𝑝 𝑌)) → (((𝑋 𝑌) 𝑝) 𝑌) = (𝑋 𝑌))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 209  wa 399  w3a 1084   = wceq 1538  wcel 2115   class class class wbr 5052  cfv 6343  (class class class)co 7149  Basecbs 16483  lecple 16572  joincjn 17554  meetcmee 17555  0.cp0 17647  Latclat 17655  OLcol 36415  Atomscatm 36504  AtLatcal 36505  HLchlt 36591
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1971  ax-7 2016  ax-8 2117  ax-9 2125  ax-10 2146  ax-11 2162  ax-12 2179  ax-ext 2796  ax-rep 5176  ax-sep 5189  ax-nul 5196  ax-pow 5253  ax-pr 5317  ax-un 7455
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2071  df-mo 2624  df-eu 2655  df-clab 2803  df-cleq 2817  df-clel 2896  df-nfc 2964  df-ne 3015  df-ral 3138  df-rex 3139  df-reu 3140  df-rab 3142  df-v 3482  df-sbc 3759  df-csb 3867  df-dif 3922  df-un 3924  df-in 3926  df-ss 3936  df-nul 4277  df-if 4451  df-pw 4524  df-sn 4551  df-pr 4553  df-op 4557  df-uni 4825  df-iun 4907  df-iin 4908  df-br 5053  df-opab 5115  df-mpt 5133  df-id 5447  df-xp 5548  df-rel 5549  df-cnv 5550  df-co 5551  df-dm 5552  df-rn 5553  df-res 5554  df-ima 5555  df-iota 6302  df-fun 6345  df-fn 6346  df-f 6347  df-f1 6348  df-fo 6349  df-f1o 6350  df-fv 6351  df-riota 7107  df-ov 7152  df-oprab 7153  df-mpo 7154  df-1st 7684  df-2nd 7685  df-proset 17538  df-poset 17556  df-plt 17568  df-lub 17584  df-glb 17585  df-join 17586  df-meet 17587  df-p0 17649  df-lat 17656  df-clat 17718  df-oposet 36417  df-ol 36419  df-oml 36420  df-covers 36507  df-ats 36508  df-atl 36539  df-cvlat 36563  df-hlat 36592  df-psubsp 36744  df-pmap 36745  df-padd 37037
This theorem is referenced by: (None)
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