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Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  ordtrest2NEW Structured version   Visualization version   GIF version

Theorem ordtrest2NEW 34548
Description: An interval-closed set 𝐴 in a total order has the same subspace topology as the restricted order topology. (An interval-closed set is the same thing as an open or half-open or closed interval in ℝ, but in other sets like ℚ there are interval-closed sets like (π, +∞) ∩ ℚ that are not intervals.) (Contributed by Mario Carneiro, 9-Sep-2015.) (Revised by Thierry Arnoux, 11-Sep-2018.)
Hypotheses
Ref Expression
ordtNEW.b 𝐵 = (Base‘𝐾)
ordtNEW.l ≤ = ((le‘𝐾) ∩ (𝐵 × 𝐵))
ordtrest2NEW.2 (𝜑 → 𝐾 ∈ Toset)
ordtrest2NEW.3 (𝜑 → 𝐴 ⊆ 𝐵)
ordtrest2NEW.4 ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → {𝑧 ∈ 𝐵 ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)} ⊆ 𝐴)
Assertion
Ref Expression
ordtrest2NEW (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) = ((ordTop‘ ≤ ) ↾t 𝐴))
Distinct variable groups:   𝑥,𝑦, ≤   𝑥,𝐵,𝑦   𝑥,𝐾,𝑦   𝑥,𝐴,𝑦,𝑧   𝑧, ≤   𝑧,𝐴   𝑧,𝐵   𝜑,𝑥,𝑦,𝑧   𝑧,𝐾

Proof of Theorem ordtrest2NEW
Dummy variables 𝑣 𝑤 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 ordtrest2NEW.2 . . . 4 (𝜑 → 𝐾 ∈ Toset)
2 tospos 18585 . . . 4 (𝐾 ∈ Toset → 𝐾 ∈ Poset)
3 posprs 18483 . . . 4 (𝐾 ∈ Poset → 𝐾 ∈ Proset )
41, 2, 33syl 19 . . 3 (𝜑 → 𝐾 ∈ Proset )
5 ordtrest2NEW.3 . . 3 (𝜑 → 𝐴 ⊆ 𝐵)
6 ordtNEW.b . . . 4 𝐵 = (Base‘𝐾)
7 ordtNEW.l . . . 4 ≤ = ((le‘𝐾) ∩ (𝐵 × 𝐵))
86, 7ordtrestNEW 34546 . . 3 ((𝐾 ∈ Proset ∧ 𝐴 ⊆ 𝐵) → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ⊆ ((ordTop‘ ≤ ) ↾t 𝐴))
94, 5, 8syl2anc 596 . 2 (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ⊆ ((ordTop‘ ≤ ) ↾t 𝐴))
10 eqid 2761 . . . . . . . 8 ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) = ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})
11 eqid 2761 . . . . . . . 8 ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}) = ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})
126, 7, 10, 11ordtprsval 34543 . . . . . . 7 (𝐾 ∈ Proset → (ordTop‘ ≤ ) = (topGen‘(fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))))))
134, 12syl 18 . . . . . 6 (𝜑 → (ordTop‘ ≤ ) = (topGen‘(fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))))))
1413oveq1d 7433 . . . . 5 (𝜑 → ((ordTop‘ ≤ ) ↾t 𝐴) = ((topGen‘(fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))))) ↾t 𝐴))
15 fibas 23288 . . . . . 6 (fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))) ∈ TopBases
166fvexi 6897 . . . . . . . 8 𝐵 ∈ V
1716a1i 11 . . . . . . 7 (𝜑 → 𝐵 ∈ V)
1817, 5ssexd 5286 . . . . . 6 (𝜑 → 𝐴 ∈ V)
19 tgrest 23470 . . . . . 6 (((fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))) ∈ TopBases ∧ 𝐴 ∈ V) → (topGen‘((fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))) ↾t 𝐴)) = ((topGen‘(fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))))) ↾t 𝐴))
2015, 18, 19sylancr 599 . . . . 5 (𝜑 → (topGen‘((fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))) ↾t 𝐴)) = ((topGen‘(fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))))) ↾t 𝐴))
2114, 20eqtr4d 2799 . . . 4 (𝜑 → ((ordTop‘ ≤ ) ↾t 𝐴) = (topGen‘((fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))) ↾t 𝐴)))
22 firest 17596 . . . . 5 (fi‘(({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴)) = ((fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))) ↾t 𝐴)
2322fveq2i 6886 . . . 4 (topGen‘(fi‘(({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴))) = (topGen‘((fi‘({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))) ↾t 𝐴))
2421, 23eqtr4di 2814 . . 3 (𝜑 → ((ordTop‘ ≤ ) ↾t 𝐴) = (topGen‘(fi‘(({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴))))
25 fvex 6896 . . . . . . . 8 (le‘𝐾) ∈ V
2625inex1 5277 . . . . . . 7 ((le‘𝐾) ∩ (𝐵 × 𝐵)) ∈ V
277, 26eqeltri 2857 . . . . . 6 ≤ ∈ V
2827inex1 5277 . . . . 5 ( ≤ ∩ (𝐴 × 𝐴)) ∈ V
29 ordttop 23511 . . . . 5 (( ≤ ∩ (𝐴 × 𝐴)) ∈ V → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ Top)
3028, 29mp1i 14 . . . 4 (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ Top)
316, 7, 10, 11ordtprsuni 34544 . . . . . . . . 9 (𝐾 ∈ Proset → 𝐵 = ∪ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))))
324, 31syl 18 . . . . . . . 8 (𝜑 → 𝐵 = ∪ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))))
3332, 17eqeltrrd 2862 . . . . . . 7 (𝜑 → ∪ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ∈ V)
34 uniexb 7776 . . . . . . 7 (({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ∈ V ↔ ∪ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ∈ V)
3533, 34sylibr 237 . . . . . 6 (𝜑 → ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ∈ V)
36 restval 17590 . . . . . 6 ((({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ∈ V ∧ 𝐴 ∈ V) → (({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴) = ran (𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↦ (𝑣 ∩ 𝐴)))
3735, 18, 36syl2anc 596 . . . . 5 (𝜑 → (({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴) = ran (𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↦ (𝑣 ∩ 𝐴)))
38 sseqin2 4169 . . . . . . . . . . . 12 (𝐴 ⊆ 𝐵 ↔ (𝐵 ∩ 𝐴) = 𝐴)
395, 38sylib 221 . . . . . . . . . . 11 (𝜑 → (𝐵 ∩ 𝐴) = 𝐴)
40 eqid 2761 . . . . . . . . . . . . . . 15 dom ( ≤ ∩ (𝐴 × 𝐴)) = dom ( ≤ ∩ (𝐴 × 𝐴))
4140ordttopon 23504 . . . . . . . . . . . . . 14 (( ≤ ∩ (𝐴 × 𝐴)) ∈ V → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘dom ( ≤ ∩ (𝐴 × 𝐴))))
4228, 41mp1i 14 . . . . . . . . . . . . 13 (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘dom ( ≤ ∩ (𝐴 × 𝐴))))
436, 7prsssdm 34542 . . . . . . . . . . . . . . 15 ((𝐾 ∈ Proset ∧ 𝐴 ⊆ 𝐵) → dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴)
444, 5, 43syl2anc 596 . . . . . . . . . . . . . 14 (𝜑 → dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴)
4544fveq2d 6887 . . . . . . . . . . . . 13 (𝜑 → (TopOn‘dom ( ≤ ∩ (𝐴 × 𝐴))) = (TopOn‘𝐴))
4642, 45eleqtrd 2863 . . . . . . . . . . . 12 (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘𝐴))
47 toponmax 23237 . . . . . . . . . . . 12 ((ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘𝐴) → 𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
4846, 47syl 18 . . . . . . . . . . 11 (𝜑 → 𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
4939, 48eqeltrd 2861 . . . . . . . . . 10 (𝜑 → (𝐵 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
50 elsni 4601 . . . . . . . . . . . 12 (𝑣 ∈ {𝐵} → 𝑣 = 𝐵)
5150ineq1d 4165 . . . . . . . . . . 11 (𝑣 ∈ {𝐵} → (𝑣 ∩ 𝐴) = (𝐵 ∩ 𝐴))
5251eleq1d 2846 . . . . . . . . . 10 (𝑣 ∈ {𝐵} → ((𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ (𝐵 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
5349, 52syl5ibrcom 250 . . . . . . . . 9 (𝜑 → (𝑣 ∈ {𝐵} → (𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
5453ralrimiv 3154 . . . . . . . 8 (𝜑 → ∀𝑣 ∈ {𝐵} (𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
55 ordtrest2NEW.4 . . . . . . . . . 10 ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → {𝑧 ∈ 𝐵 ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)} ⊆ 𝐴)
566, 7, 1, 5, 55ordtrest2NEWlem 34547 . . . . . . . . 9 (𝜑 → ∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
57 eqid 2761 . . . . . . . . . . . 12 (ODual‘𝐾) = (ODual‘𝐾)
5857, 6odubas 18458 . . . . . . . . . . 11 𝐵 = (Base‘(ODual‘𝐾))
597cnveqi 5852 . . . . . . . . . . . 12 ◡ ≤ = ◡((le‘𝐾) ∩ (𝐵 × 𝐵))
60 cnvin 6135 . . . . . . . . . . . . 13 ◡((le‘𝐾) ∩ (𝐵 × 𝐵)) = (◡(le‘𝐾) ∩ ◡(𝐵 × 𝐵))
61 cnvxp 6147 . . . . . . . . . . . . . 14 ◡(𝐵 × 𝐵) = (𝐵 × 𝐵)
6261ineq2i 4163 . . . . . . . . . . . . 13 (◡(le‘𝐾) ∩ ◡(𝐵 × 𝐵)) = (◡(le‘𝐾) ∩ (𝐵 × 𝐵))
63 eqid 2761 . . . . . . . . . . . . . . 15 (le‘𝐾) = (le‘𝐾)
6457, 63oduleval 18456 . . . . . . . . . . . . . 14 ◡(le‘𝐾) = (le‘(ODual‘𝐾))
6564ineq1i 4162 . . . . . . . . . . . . 13 (◡(le‘𝐾) ∩ (𝐵 × 𝐵)) = ((le‘(ODual‘𝐾)) ∩ (𝐵 × 𝐵))
6660, 62, 653eqtri 2788 . . . . . . . . . . . 12 ◡((le‘𝐾) ∩ (𝐵 × 𝐵)) = ((le‘(ODual‘𝐾)) ∩ (𝐵 × 𝐵))
6759, 66eqtri 2784 . . . . . . . . . . 11 ◡ ≤ = ((le‘(ODual‘𝐾)) ∩ (𝐵 × 𝐵))
6857odutos 33522 . . . . . . . . . . . 12 (𝐾 ∈ Toset → (ODual‘𝐾) ∈ Toset)
691, 68syl 18 . . . . . . . . . . 11 (𝜑 → (ODual‘𝐾) ∈ Toset)
70 vex 3455 . . . . . . . . . . . . . . . 16 𝑦 ∈ V
71 vex 3455 . . . . . . . . . . . . . . . 16 𝑧 ∈ V
7270, 71brcnv 5860 . . . . . . . . . . . . . . 15 (𝑦◡ ≤ 𝑧 ↔ 𝑧 ≤ 𝑦)
73 vex 3455 . . . . . . . . . . . . . . . 16 𝑥 ∈ V
7471, 73brcnv 5860 . . . . . . . . . . . . . . 15 (𝑧◡ ≤ 𝑥 ↔ 𝑥 ≤ 𝑧)
7572, 74anbi12ci 641 . . . . . . . . . . . . . 14 ((𝑦◡ ≤ 𝑧 ∧ 𝑧◡ ≤ 𝑥) ↔ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦))
7675rabbii 3418 . . . . . . . . . . . . 13 {𝑧 ∈ 𝐵 ∣ (𝑦◡ ≤ 𝑧 ∧ 𝑧◡ ≤ 𝑥)} = {𝑧 ∈ 𝐵 ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)}
7776, 55eqsstrid 3969 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → {𝑧 ∈ 𝐵 ∣ (𝑦◡ ≤ 𝑧 ∧ 𝑧◡ ≤ 𝑥)} ⊆ 𝐴)
7877ancom2s 663 . . . . . . . . . . 11 ((𝜑 ∧ (𝑦 ∈ 𝐴 ∧ 𝑥 ∈ 𝐴)) → {𝑧 ∈ 𝐵 ∣ (𝑦◡ ≤ 𝑧 ∧ 𝑧◡ ≤ 𝑥)} ⊆ 𝐴)
7958, 67, 69, 5, 78ordtrest2NEWlem 34547 . . . . . . . . . 10 (𝜑 → ∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤◡ ≤ 𝑧})(𝑣 ∩ 𝐴) ∈ (ordTop‘(◡ ≤ ∩ (𝐴 × 𝐴))))
80 vex 3455 . . . . . . . . . . . . . . . . . 18 𝑤 ∈ V
8180, 71brcnv 5860 . . . . . . . . . . . . . . . . 17 (𝑤◡ ≤ 𝑧 ↔ 𝑧 ≤ 𝑤)
8281bicomi 227 . . . . . . . . . . . . . . . 16 (𝑧 ≤ 𝑤 ↔ 𝑤◡ ≤ 𝑧)
8382a1i 11 . . . . . . . . . . . . . . 15 (𝜑 → (𝑧 ≤ 𝑤 ↔ 𝑤◡ ≤ 𝑧))
8483notbid 321 . . . . . . . . . . . . . 14 (𝜑 → (¬ 𝑧 ≤ 𝑤 ↔ ¬ 𝑤◡ ≤ 𝑧))
8584rabbidv 3420 . . . . . . . . . . . . 13 (𝜑 → {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤} = {𝑤 ∈ 𝐵 ∣ ¬ 𝑤◡ ≤ 𝑧})
8685mpteq2dv 5199 . . . . . . . . . . . 12 (𝜑 → (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}) = (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤◡ ≤ 𝑧}))
8786rneqd 5920 . . . . . . . . . . 11 (𝜑 → ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}) = ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤◡ ≤ 𝑧}))
886ressprs 33520 . . . . . . . . . . . . . . . 16 ((𝐾 ∈ Proset ∧ 𝐴 ⊆ 𝐵) → (𝐾 ↾s 𝐴) ∈ Proset )
894, 5, 88syl2anc 596 . . . . . . . . . . . . . . 15 (𝜑 → (𝐾 ↾s 𝐴) ∈ Proset )
90 eqid 2761 . . . . . . . . . . . . . . . 16 (Base‘(𝐾 ↾s 𝐴)) = (Base‘(𝐾 ↾s 𝐴))
91 eqid 2761 . . . . . . . . . . . . . . . 16 ((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴)))) = ((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴))))
9290, 91ordtcnvNEW 34545 . . . . . . . . . . . . . . 15 ((𝐾 ↾s 𝐴) ∈ Proset → (ordTop‘◡((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴))))) = (ordTop‘((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴))))))
9389, 92syl 18 . . . . . . . . . . . . . 14 (𝜑 → (ordTop‘◡((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴))))) = (ordTop‘((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴))))))
946, 7prsss 34541 . . . . . . . . . . . . . . . . . 18 ((𝐾 ∈ Proset ∧ 𝐴 ⊆ 𝐵) → ( ≤ ∩ (𝐴 × 𝐴)) = ((le‘𝐾) ∩ (𝐴 × 𝐴)))
954, 5, 94syl2anc 596 . . . . . . . . . . . . . . . . 17 (𝜑 → ( ≤ ∩ (𝐴 × 𝐴)) = ((le‘𝐾) ∩ (𝐴 × 𝐴)))
96 eqid 2761 . . . . . . . . . . . . . . . . . . . 20 (𝐾 ↾s 𝐴) = (𝐾 ↾s 𝐴)
9796, 63ressle 17544 . . . . . . . . . . . . . . . . . . 19 (𝐴 ∈ V → (le‘𝐾) = (le‘(𝐾 ↾s 𝐴)))
9818, 97syl 18 . . . . . . . . . . . . . . . . . 18 (𝜑 → (le‘𝐾) = (le‘(𝐾 ↾s 𝐴)))
9996, 6ressbas2 17409 . . . . . . . . . . . . . . . . . . . 20 (𝐴 ⊆ 𝐵 → 𝐴 = (Base‘(𝐾 ↾s 𝐴)))
1005, 99syl 18 . . . . . . . . . . . . . . . . . . 19 (𝜑 → 𝐴 = (Base‘(𝐾 ↾s 𝐴)))
101100sqxpeqd 5683 . . . . . . . . . . . . . . . . . 18 (𝜑 → (𝐴 × 𝐴) = ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴))))
10298, 101ineq12d 4167 . . . . . . . . . . . . . . . . 17 (𝜑 → ((le‘𝐾) ∩ (𝐴 × 𝐴)) = ((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴)))))
10395, 102eqtrd 2796 . . . . . . . . . . . . . . . 16 (𝜑 → ( ≤ ∩ (𝐴 × 𝐴)) = ((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴)))))
104103cnveqd 5853 . . . . . . . . . . . . . . 15 (𝜑 → ◡( ≤ ∩ (𝐴 × 𝐴)) = ◡((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴)))))
105104fveq2d 6887 . . . . . . . . . . . . . 14 (𝜑 → (ordTop‘◡( ≤ ∩ (𝐴 × 𝐴))) = (ordTop‘◡((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴))))))
106103fveq2d 6887 . . . . . . . . . . . . . 14 (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) = (ordTop‘((le‘(𝐾 ↾s 𝐴)) ∩ ((Base‘(𝐾 ↾s 𝐴)) × (Base‘(𝐾 ↾s 𝐴))))))
10793, 105, 1063eqtr4d 2806 . . . . . . . . . . . . 13 (𝜑 → (ordTop‘◡( ≤ ∩ (𝐴 × 𝐴))) = (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
108 cnvin 6135 . . . . . . . . . . . . . . 15 ◡( ≤ ∩ (𝐴 × 𝐴)) = (◡ ≤ ∩ ◡(𝐴 × 𝐴))
109 cnvxp 6147 . . . . . . . . . . . . . . . 16 ◡(𝐴 × 𝐴) = (𝐴 × 𝐴)
110109ineq2i 4163 . . . . . . . . . . . . . . 15 (◡ ≤ ∩ ◡(𝐴 × 𝐴)) = (◡ ≤ ∩ (𝐴 × 𝐴))
111108, 110eqtri 2784 . . . . . . . . . . . . . 14 ◡( ≤ ∩ (𝐴 × 𝐴)) = (◡ ≤ ∩ (𝐴 × 𝐴))
112111fveq2i 6886 . . . . . . . . . . . . 13 (ordTop‘◡( ≤ ∩ (𝐴 × 𝐴))) = (ordTop‘(◡ ≤ ∩ (𝐴 × 𝐴)))
113107, 112eqtr3di 2811 . . . . . . . . . . . 12 (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) = (ordTop‘(◡ ≤ ∩ (𝐴 × 𝐴))))
114113eleq2d 2847 . . . . . . . . . . 11 (𝜑 → ((𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ (𝑣 ∩ 𝐴) ∈ (ordTop‘(◡ ≤ ∩ (𝐴 × 𝐴)))))
11587, 114raleqbidv 3335 . . . . . . . . . 10 (𝜑 → (∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ ∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤◡ ≤ 𝑧})(𝑣 ∩ 𝐴) ∈ (ordTop‘(◡ ≤ ∩ (𝐴 × 𝐴)))))
11679, 115mpbird 260 . . . . . . . . 9 (𝜑 → ∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
117 ralunb 4143 . . . . . . . . 9 (∀𝑣 ∈ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ (∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∧ ∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
11856, 116, 117sylanbrc 595 . . . . . . . 8 (𝜑 → ∀𝑣 ∈ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
119 ralunb 4143 . . . . . . . 8 (∀𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ (∀𝑣 ∈ {𝐵} (𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∧ ∀𝑣 ∈ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
12054, 118, 119sylanbrc 595 . . . . . . 7 (𝜑 → ∀𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
121 eqid 2761 . . . . . . . 8 (𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↦ (𝑣 ∩ 𝐴)) = (𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↦ (𝑣 ∩ 𝐴))
122121fmpt 7108 . . . . . . 7 (∀𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ (𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↦ (𝑣 ∩ 𝐴)):({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))⟶(ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
123120, 122sylib 221 . . . . . 6 (𝜑 → (𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↦ (𝑣 ∩ 𝐴)):({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤})))⟶(ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
124123frnd 6716 . . . . 5 (𝜑 → ran (𝑣 ∈ ({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↦ (𝑣 ∩ 𝐴)) ⊆ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
12537, 124eqsstrd 3965 . . . 4 (𝜑 → (({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴) ⊆ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
126 tgfiss 23302 . . . 4 (((ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ Top ∧ (({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴) ⊆ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))) → (topGen‘(fi‘(({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴))) ⊆ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
12730, 125, 126syl2anc 596 . . 3 (𝜑 → (topGen‘(fi‘(({𝐵} ∪ (ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) ∪ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑧 ≤ 𝑤}))) ↾t 𝐴))) ⊆ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
12824, 127eqsstrd 3965 . 2 (𝜑 → ((ordTop‘ ≤ ) ↾t 𝐴) ⊆ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
1299, 128eqssd 3948 1 (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) = ((ordTop‘ ≤ ) ↾t 𝐴))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1570   ∈ wcel 2145  ∀wral 3077  {crab 3413  Vcvv 3451   ∪ cun 3897   ∩ cin 3898   ⊆ wss 3899  {csn 4584  ∪ cuni 4867   class class class wbr 5103   ↦ cmpt 5186   × cxp 5649  ◡ccnv 5650  dom cdm 5651  ran crn 5652  ⟶wf 6533  ‘cfv 6537  (class class class)co 7418  ficfi 9395  Basecbs 17380   ↾s cress 17401  lecple 17428   ↾t crest 17584  topGenctg 17601  ordTopcordt 17664  ODualcodu 18453   Proset cproset 18459  Posetcpo 18474  Tosetctos 18581  Topctop 23204  TopOnctopon 23221  TopBasesctb 23256
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7749  ax-cnex 11249  ax-resscn 11250  ax-1cn 11251  ax-icn 11252  ax-addcl 11253  ax-addrcl 11254  ax-mulcl 11255  ax-mulrcl 11256  ax-mulcom 11257  ax-addass 11258  ax-mulass 11259  ax-distr 11260  ax-i2m1 11261  ax-1ne0 11262  ax-1rid 11263  ax-rnegex 11264  ax-rrecex 11265  ax-cnre 11266  ax-pre-lttri 11267  ax-pre-lttrn 11268  ax-pre-ltadd 11269  ax-pre-mulgt0 11270
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-nel 3063  df-ral 3078  df-rex 3088  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-int 4908  df-iun 4953  df-iin 4954  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-we 5606  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-pred 6303  df-ord 6364  df-on 6365  df-lim 6366  df-suc 6367  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-riota 7375  df-ov 7421  df-oprab 7422  df-mpo 7423  df-om 7876  df-1st 7999  df-2nd 8000  df-frecs 8292  df-wrecs 8323  df-recs 8372  df-rdg 8411  df-1o 8469  df-2o 8470  df-er 8710  df-en 8967  df-dom 8968  df-sdom 8969  df-fin 8970  df-fi 9396  df-pnf 11338  df-mnf 11339  df-xr 11340  df-ltxr 11341  df-le 11342  df-sub 11536  df-neg 11537  df-nn 12329  df-2 12398  df-3 12399  df-4 12400  df-5 12401  df-6 12402  df-7 12403  df-8 12404  df-9 12405  df-n0 12600  df-z 12687  df-dec 12808  df-sets 17335  df-slot 17353  df-ndx 17365  df-base 17381  df-ress 17402  df-ple 17441  df-rest 17586  df-topgen 17607  df-ordt 17666  df-odu 18454  df-proset 18461  df-poset 18480  df-toset 18582  df-top 23205  df-topon 23222  df-bases 23257
This theorem is used by: (None)
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