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Theorem atcvrj2b 34237
Description: Condition for an atom to be covered by the join of two others. (Contributed by NM, 7-Feb-2012.)
Hypotheses
Ref Expression
atcvrj1x.l = (le‘𝐾)
atcvrj1x.j = (join‘𝐾)
atcvrj1x.c 𝐶 = ( ⋖ ‘𝐾)
atcvrj1x.a 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
atcvrj2b ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) → ((𝑄𝑅𝑃 (𝑄 𝑅)) ↔ 𝑃𝐶(𝑄 𝑅)))

Proof of Theorem atcvrj2b
StepHypRef Expression
1 simpl3l 1114 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → 𝑄𝑅)
21necomd 2845 . . . . . 6 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → 𝑅𝑄)
3 simpl1 1062 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → 𝐾 ∈ HL)
4 simpl23 1139 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → 𝑅𝐴)
5 simpl22 1138 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → 𝑄𝐴)
6 atcvrj1x.j . . . . . . . 8 = (join‘𝐾)
7 atcvrj1x.c . . . . . . . 8 𝐶 = ( ⋖ ‘𝐾)
8 atcvrj1x.a . . . . . . . 8 𝐴 = (Atoms‘𝐾)
96, 7, 8atcvr2 34223 . . . . . . 7 ((𝐾 ∈ HL ∧ 𝑅𝐴𝑄𝐴) → (𝑅𝑄𝑅𝐶(𝑄 𝑅)))
103, 4, 5, 9syl3anc 1323 . . . . . 6 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → (𝑅𝑄𝑅𝐶(𝑄 𝑅)))
112, 10mpbid 222 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → 𝑅𝐶(𝑄 𝑅))
12 breq1 4626 . . . . . 6 (𝑃 = 𝑅 → (𝑃𝐶(𝑄 𝑅) ↔ 𝑅𝐶(𝑄 𝑅)))
1312adantl 482 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → (𝑃𝐶(𝑄 𝑅) ↔ 𝑅𝐶(𝑄 𝑅)))
1411, 13mpbird 247 . . . 4 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃 = 𝑅) → 𝑃𝐶(𝑄 𝑅))
15 simpl1 1062 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃𝑅) → 𝐾 ∈ HL)
16 simpl2 1063 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃𝑅) → (𝑃𝐴𝑄𝐴𝑅𝐴))
17 simpr 477 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃𝑅) → 𝑃𝑅)
18 simpl3r 1115 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃𝑅) → 𝑃 (𝑄 𝑅))
19 atcvrj1x.l . . . . . 6 = (le‘𝐾)
2019, 6, 7, 8atcvrj1 34236 . . . . 5 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑃𝑅𝑃 (𝑄 𝑅))) → 𝑃𝐶(𝑄 𝑅))
2115, 16, 17, 18, 20syl112anc 1327 . . . 4 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) ∧ 𝑃𝑅) → 𝑃𝐶(𝑄 𝑅))
2214, 21pm2.61dane 2877 . . 3 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴) ∧ (𝑄𝑅𝑃 (𝑄 𝑅))) → 𝑃𝐶(𝑄 𝑅))
23223expia 1264 . 2 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) → ((𝑄𝑅𝑃 (𝑄 𝑅)) → 𝑃𝐶(𝑄 𝑅)))
24 hlatl 34166 . . . . . . 7 (𝐾 ∈ HL → 𝐾 ∈ AtLat)
2524ad2antrr 761 . . . . . 6 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝐾 ∈ AtLat)
26 simplr1 1101 . . . . . 6 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑃𝐴)
27 eqid 2621 . . . . . . 7 (0.‘𝐾) = (0.‘𝐾)
2827, 8atn0 34114 . . . . . 6 ((𝐾 ∈ AtLat ∧ 𝑃𝐴) → 𝑃 ≠ (0.‘𝐾))
2925, 26, 28syl2anc 692 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑃 ≠ (0.‘𝐾))
30 simpll 789 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝐾 ∈ HL)
31 eqid 2621 . . . . . . . . 9 (Base‘𝐾) = (Base‘𝐾)
3231, 8atbase 34095 . . . . . . . 8 (𝑃𝐴𝑃 ∈ (Base‘𝐾))
3326, 32syl 17 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑃 ∈ (Base‘𝐾))
34 simplr2 1102 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑄𝐴)
35 simplr3 1103 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑅𝐴)
36 simpr 477 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑃𝐶(𝑄 𝑅))
3731, 6, 27, 7, 8atcvrj0 34233 . . . . . . 7 ((𝐾 ∈ HL ∧ (𝑃 ∈ (Base‘𝐾) ∧ 𝑄𝐴𝑅𝐴) ∧ 𝑃𝐶(𝑄 𝑅)) → (𝑃 = (0.‘𝐾) ↔ 𝑄 = 𝑅))
3830, 33, 34, 35, 36, 37syl131anc 1336 . . . . . 6 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → (𝑃 = (0.‘𝐾) ↔ 𝑄 = 𝑅))
3938necon3bid 2834 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → (𝑃 ≠ (0.‘𝐾) ↔ 𝑄𝑅))
4029, 39mpbid 222 . . . 4 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑄𝑅)
41 hllat 34169 . . . . . . . 8 (𝐾 ∈ HL → 𝐾 ∈ Lat)
4241ad2antrr 761 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝐾 ∈ Lat)
4331, 8atbase 34095 . . . . . . . 8 (𝑄𝐴𝑄 ∈ (Base‘𝐾))
4434, 43syl 17 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑄 ∈ (Base‘𝐾))
4531, 8atbase 34095 . . . . . . . 8 (𝑅𝐴𝑅 ∈ (Base‘𝐾))
4635, 45syl 17 . . . . . . 7 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑅 ∈ (Base‘𝐾))
4731, 6latjcl 16991 . . . . . . 7 ((𝐾 ∈ Lat ∧ 𝑄 ∈ (Base‘𝐾) ∧ 𝑅 ∈ (Base‘𝐾)) → (𝑄 𝑅) ∈ (Base‘𝐾))
4842, 44, 46, 47syl3anc 1323 . . . . . 6 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → (𝑄 𝑅) ∈ (Base‘𝐾))
4930, 33, 483jca 1240 . . . . 5 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → (𝐾 ∈ HL ∧ 𝑃 ∈ (Base‘𝐾) ∧ (𝑄 𝑅) ∈ (Base‘𝐾)))
5031, 19, 7cvrle 34084 . . . . 5 (((𝐾 ∈ HL ∧ 𝑃 ∈ (Base‘𝐾) ∧ (𝑄 𝑅) ∈ (Base‘𝐾)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑃 (𝑄 𝑅))
5149, 50sylancom 700 . . . 4 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → 𝑃 (𝑄 𝑅))
5240, 51jca 554 . . 3 (((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) ∧ 𝑃𝐶(𝑄 𝑅)) → (𝑄𝑅𝑃 (𝑄 𝑅)))
5352ex 450 . 2 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) → (𝑃𝐶(𝑄 𝑅) → (𝑄𝑅𝑃 (𝑄 𝑅))))
5423, 53impbid 202 1 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴𝑅𝐴)) → ((𝑄𝑅𝑃 (𝑄 𝑅)) ↔ 𝑃𝐶(𝑄 𝑅)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 384  w3a 1036   = wceq 1480  wcel 1987  wne 2790   class class class wbr 4623  cfv 5857  (class class class)co 6615  Basecbs 15800  lecple 15888  joincjn 16884  0.cp0 16977  Latclat 16985  ccvr 34068  Atomscatm 34069  AtLatcal 34070  HLchlt 34156
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4741  ax-sep 4751  ax-nul 4759  ax-pow 4813  ax-pr 4877  ax-un 6914
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1038  df-tru 1483  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-ral 2913  df-rex 2914  df-reu 2915  df-rab 2917  df-v 3192  df-sbc 3423  df-csb 3520  df-dif 3563  df-un 3565  df-in 3567  df-ss 3574  df-nul 3898  df-if 4065  df-pw 4138  df-sn 4156  df-pr 4158  df-op 4162  df-uni 4410  df-iun 4494  df-br 4624  df-opab 4684  df-mpt 4685  df-id 4999  df-xp 5090  df-rel 5091  df-cnv 5092  df-co 5093  df-dm 5094  df-rn 5095  df-res 5096  df-ima 5097  df-iota 5820  df-fun 5859  df-fn 5860  df-f 5861  df-f1 5862  df-fo 5863  df-f1o 5864  df-fv 5865  df-riota 6576  df-ov 6618  df-oprab 6619  df-preset 16868  df-poset 16886  df-plt 16898  df-lub 16914  df-glb 16915  df-join 16916  df-meet 16917  df-p0 16979  df-lat 16986  df-clat 17048  df-oposet 33982  df-ol 33984  df-oml 33985  df-covers 34072  df-ats 34073  df-atl 34104  df-cvlat 34128  df-hlat 34157
This theorem is referenced by:  atcvrj2  34238
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