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Theorem hlsuprexch 39363
Description: A Hilbert lattice has the superposition and exchange properties. (Contributed by NM, 13-Nov-2011.)
Hypotheses
Ref Expression
hlsuprexch.b 𝐵 = (Base‘𝐾)
hlsuprexch.l = (le‘𝐾)
hlsuprexch.j = (join‘𝐾)
hlsuprexch.a 𝐴 = (Atoms‘𝐾)
Assertion
Ref Expression
hlsuprexch ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → ((𝑃𝑄 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑄𝑧 (𝑃 𝑄))) ∧ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑄)) → 𝑄 (𝑧 𝑃))))
Distinct variable groups:   𝑧,𝐴   𝑧,𝐵   𝑧,𝐾   𝑧,𝑃   𝑧,𝑄
Allowed substitution hints:   (𝑧)   (𝑧)

Proof of Theorem hlsuprexch
Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 hlsuprexch.b . . . . 5 𝐵 = (Base‘𝐾)
2 hlsuprexch.l . . . . 5 = (le‘𝐾)
3 eqid 2734 . . . . 5 (lt‘𝐾) = (lt‘𝐾)
4 hlsuprexch.j . . . . 5 = (join‘𝐾)
5 eqid 2734 . . . . 5 (0.‘𝐾) = (0.‘𝐾)
6 eqid 2734 . . . . 5 (1.‘𝐾) = (1.‘𝐾)
7 hlsuprexch.a . . . . 5 𝐴 = (Atoms‘𝐾)
81, 2, 3, 4, 5, 6, 7ishlat2 39334 . . . 4 (𝐾 ∈ HL ↔ ((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ AtLat) ∧ (∀𝑥𝐴𝑦𝐴 ((𝑥𝑦 → ∃𝑧𝐴 (𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦))) ∧ ∀𝑧𝐵 ((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) → 𝑦 (𝑧 𝑥))) ∧ ∃𝑥𝐵𝑦𝐵𝑧𝐵 (((0.‘𝐾)(lt‘𝐾)𝑥𝑥(lt‘𝐾)𝑦) ∧ (𝑦(lt‘𝐾)𝑧𝑧(lt‘𝐾)(1.‘𝐾))))))
9 simprl 771 . . . 4 (((𝐾 ∈ OML ∧ 𝐾 ∈ CLat ∧ 𝐾 ∈ AtLat) ∧ (∀𝑥𝐴𝑦𝐴 ((𝑥𝑦 → ∃𝑧𝐴 (𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦))) ∧ ∀𝑧𝐵 ((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) → 𝑦 (𝑧 𝑥))) ∧ ∃𝑥𝐵𝑦𝐵𝑧𝐵 (((0.‘𝐾)(lt‘𝐾)𝑥𝑥(lt‘𝐾)𝑦) ∧ (𝑦(lt‘𝐾)𝑧𝑧(lt‘𝐾)(1.‘𝐾))))) → ∀𝑥𝐴𝑦𝐴 ((𝑥𝑦 → ∃𝑧𝐴 (𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦))) ∧ ∀𝑧𝐵 ((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) → 𝑦 (𝑧 𝑥))))
108, 9sylbi 217 . . 3 (𝐾 ∈ HL → ∀𝑥𝐴𝑦𝐴 ((𝑥𝑦 → ∃𝑧𝐴 (𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦))) ∧ ∀𝑧𝐵 ((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) → 𝑦 (𝑧 𝑥))))
11 neeq1 3000 . . . . . 6 (𝑥 = 𝑃 → (𝑥𝑦𝑃𝑦))
12 neeq2 3001 . . . . . . . 8 (𝑥 = 𝑃 → (𝑧𝑥𝑧𝑃))
13 oveq1 7437 . . . . . . . . 9 (𝑥 = 𝑃 → (𝑥 𝑦) = (𝑃 𝑦))
1413breq2d 5159 . . . . . . . 8 (𝑥 = 𝑃 → (𝑧 (𝑥 𝑦) ↔ 𝑧 (𝑃 𝑦)))
1512, 143anbi13d 1437 . . . . . . 7 (𝑥 = 𝑃 → ((𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦)) ↔ (𝑧𝑃𝑧𝑦𝑧 (𝑃 𝑦))))
1615rexbidv 3176 . . . . . 6 (𝑥 = 𝑃 → (∃𝑧𝐴 (𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦)) ↔ ∃𝑧𝐴 (𝑧𝑃𝑧𝑦𝑧 (𝑃 𝑦))))
1711, 16imbi12d 344 . . . . 5 (𝑥 = 𝑃 → ((𝑥𝑦 → ∃𝑧𝐴 (𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦))) ↔ (𝑃𝑦 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑦𝑧 (𝑃 𝑦)))))
18 breq1 5150 . . . . . . . . 9 (𝑥 = 𝑃 → (𝑥 𝑧𝑃 𝑧))
1918notbid 318 . . . . . . . 8 (𝑥 = 𝑃 → (¬ 𝑥 𝑧 ↔ ¬ 𝑃 𝑧))
20 breq1 5150 . . . . . . . 8 (𝑥 = 𝑃 → (𝑥 (𝑧 𝑦) ↔ 𝑃 (𝑧 𝑦)))
2119, 20anbi12d 632 . . . . . . 7 (𝑥 = 𝑃 → ((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) ↔ (¬ 𝑃 𝑧𝑃 (𝑧 𝑦))))
22 oveq2 7438 . . . . . . . 8 (𝑥 = 𝑃 → (𝑧 𝑥) = (𝑧 𝑃))
2322breq2d 5159 . . . . . . 7 (𝑥 = 𝑃 → (𝑦 (𝑧 𝑥) ↔ 𝑦 (𝑧 𝑃)))
2421, 23imbi12d 344 . . . . . 6 (𝑥 = 𝑃 → (((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) → 𝑦 (𝑧 𝑥)) ↔ ((¬ 𝑃 𝑧𝑃 (𝑧 𝑦)) → 𝑦 (𝑧 𝑃))))
2524ralbidv 3175 . . . . 5 (𝑥 = 𝑃 → (∀𝑧𝐵 ((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) → 𝑦 (𝑧 𝑥)) ↔ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑦)) → 𝑦 (𝑧 𝑃))))
2617, 25anbi12d 632 . . . 4 (𝑥 = 𝑃 → (((𝑥𝑦 → ∃𝑧𝐴 (𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦))) ∧ ∀𝑧𝐵 ((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) → 𝑦 (𝑧 𝑥))) ↔ ((𝑃𝑦 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑦𝑧 (𝑃 𝑦))) ∧ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑦)) → 𝑦 (𝑧 𝑃)))))
27 neeq2 3001 . . . . . 6 (𝑦 = 𝑄 → (𝑃𝑦𝑃𝑄))
28 neeq2 3001 . . . . . . . 8 (𝑦 = 𝑄 → (𝑧𝑦𝑧𝑄))
29 oveq2 7438 . . . . . . . . 9 (𝑦 = 𝑄 → (𝑃 𝑦) = (𝑃 𝑄))
3029breq2d 5159 . . . . . . . 8 (𝑦 = 𝑄 → (𝑧 (𝑃 𝑦) ↔ 𝑧 (𝑃 𝑄)))
3128, 303anbi23d 1438 . . . . . . 7 (𝑦 = 𝑄 → ((𝑧𝑃𝑧𝑦𝑧 (𝑃 𝑦)) ↔ (𝑧𝑃𝑧𝑄𝑧 (𝑃 𝑄))))
3231rexbidv 3176 . . . . . 6 (𝑦 = 𝑄 → (∃𝑧𝐴 (𝑧𝑃𝑧𝑦𝑧 (𝑃 𝑦)) ↔ ∃𝑧𝐴 (𝑧𝑃𝑧𝑄𝑧 (𝑃 𝑄))))
3327, 32imbi12d 344 . . . . 5 (𝑦 = 𝑄 → ((𝑃𝑦 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑦𝑧 (𝑃 𝑦))) ↔ (𝑃𝑄 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑄𝑧 (𝑃 𝑄)))))
34 oveq2 7438 . . . . . . . . 9 (𝑦 = 𝑄 → (𝑧 𝑦) = (𝑧 𝑄))
3534breq2d 5159 . . . . . . . 8 (𝑦 = 𝑄 → (𝑃 (𝑧 𝑦) ↔ 𝑃 (𝑧 𝑄)))
3635anbi2d 630 . . . . . . 7 (𝑦 = 𝑄 → ((¬ 𝑃 𝑧𝑃 (𝑧 𝑦)) ↔ (¬ 𝑃 𝑧𝑃 (𝑧 𝑄))))
37 breq1 5150 . . . . . . 7 (𝑦 = 𝑄 → (𝑦 (𝑧 𝑃) ↔ 𝑄 (𝑧 𝑃)))
3836, 37imbi12d 344 . . . . . 6 (𝑦 = 𝑄 → (((¬ 𝑃 𝑧𝑃 (𝑧 𝑦)) → 𝑦 (𝑧 𝑃)) ↔ ((¬ 𝑃 𝑧𝑃 (𝑧 𝑄)) → 𝑄 (𝑧 𝑃))))
3938ralbidv 3175 . . . . 5 (𝑦 = 𝑄 → (∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑦)) → 𝑦 (𝑧 𝑃)) ↔ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑄)) → 𝑄 (𝑧 𝑃))))
4033, 39anbi12d 632 . . . 4 (𝑦 = 𝑄 → (((𝑃𝑦 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑦𝑧 (𝑃 𝑦))) ∧ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑦)) → 𝑦 (𝑧 𝑃))) ↔ ((𝑃𝑄 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑄𝑧 (𝑃 𝑄))) ∧ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑄)) → 𝑄 (𝑧 𝑃)))))
4126, 40rspc2v 3632 . . 3 ((𝑃𝐴𝑄𝐴) → (∀𝑥𝐴𝑦𝐴 ((𝑥𝑦 → ∃𝑧𝐴 (𝑧𝑥𝑧𝑦𝑧 (𝑥 𝑦))) ∧ ∀𝑧𝐵 ((¬ 𝑥 𝑧𝑥 (𝑧 𝑦)) → 𝑦 (𝑧 𝑥))) → ((𝑃𝑄 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑄𝑧 (𝑃 𝑄))) ∧ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑄)) → 𝑄 (𝑧 𝑃)))))
4210, 41mpan9 506 . 2 ((𝐾 ∈ HL ∧ (𝑃𝐴𝑄𝐴)) → ((𝑃𝑄 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑄𝑧 (𝑃 𝑄))) ∧ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑄)) → 𝑄 (𝑧 𝑃))))
43423impb 1114 1 ((𝐾 ∈ HL ∧ 𝑃𝐴𝑄𝐴) → ((𝑃𝑄 → ∃𝑧𝐴 (𝑧𝑃𝑧𝑄𝑧 (𝑃 𝑄))) ∧ ∀𝑧𝐵 ((¬ 𝑃 𝑧𝑃 (𝑧 𝑄)) → 𝑄 (𝑧 𝑃))))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 395  w3a 1086   = wceq 1536  wcel 2105  wne 2937  wral 3058  wrex 3067   class class class wbr 5147  cfv 6562  (class class class)co 7430  Basecbs 17244  lecple 17304  ltcplt 18365  joincjn 18368  0.cp0 18480  1.cp1 18481  CLatccla 18555  OMLcoml 39156  Atomscatm 39244  AtLatcal 39245  HLchlt 39331
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1791  ax-4 1805  ax-5 1907  ax-6 1964  ax-7 2004  ax-8 2107  ax-9 2115  ax-ext 2705
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1539  df-fal 1549  df-ex 1776  df-sb 2062  df-clab 2712  df-cleq 2726  df-clel 2813  df-ne 2938  df-ral 3059  df-rex 3068  df-rab 3433  df-v 3479  df-dif 3965  df-un 3967  df-in 3969  df-ss 3979  df-nul 4339  df-if 4531  df-sn 4631  df-pr 4633  df-op 4637  df-uni 4912  df-br 5148  df-iota 6515  df-fv 6570  df-ov 7433  df-cvlat 39303  df-hlat 39332
This theorem is referenced by:  hlsupr  39368
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