Theorem ordtrest2NEWlem 34099

Description: Lemma for ordtrest2NEW 34100. (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
ordtrest2NEWlem	⊢ (𝜑 → ∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))

Distinct variable groups:   𝑥,𝑦, ≤   𝑥,𝐵,𝑦   𝑥,𝐾,𝑦   𝑥,𝐴,𝑦,𝑣,𝑤,𝑧   𝑣, ≤   𝑥,𝑤,𝑧,𝑦, ≤   𝑣,𝐴,𝑤,𝑧   𝑣,𝐵,𝑤,𝑧   𝜑,𝑥,𝑦,𝑧

Allowed substitution hints:   𝜑(𝑤,𝑣)   𝐾(𝑧,𝑤,𝑣)

Proof of Theorem ordtrest2NEWlem

Step	Hyp	Ref	Expression
1		inrab2 4271	. . . . 5 ⊢ ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) = {𝑤 ∈ (𝐵 ∩ 𝐴) ∣ ¬ 𝑤 ≤ 𝑧}
2		ordtrest2NEW.3	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ⊆ 𝐵)
3		sseqin2 4177	. . . . . . . 8 ⊢ (𝐴 ⊆ 𝐵 ↔ (𝐵 ∩ 𝐴) = 𝐴)
4	2, 3	sylib 218	. . . . . . 7 ⊢ (𝜑 → (𝐵 ∩ 𝐴) = 𝐴)
5	4	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → (𝐵 ∩ 𝐴) = 𝐴)
6		rabeq 3415	. . . . . 6 ⊢ ((𝐵 ∩ 𝐴) = 𝐴 → {𝑤 ∈ (𝐵 ∩ 𝐴) ∣ ¬ 𝑤 ≤ 𝑧} = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧})
7	5, 6	syl 17	. . . . 5 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → {𝑤 ∈ (𝐵 ∩ 𝐴) ∣ ¬ 𝑤 ≤ 𝑧} = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧})
8	1, 7	eqtrid 2784	. . . 4 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧})
9		ordtNEW.l	. . . . . . . . . . . . 13 ⊢ ≤ = ((le‘𝐾) ∩ (𝐵 × 𝐵))
10		fvex 6855	. . . . . . . . . . . . . 14 ⊢ (le‘𝐾) ∈ V
11	10	inex1 5264	. . . . . . . . . . . . 13 ⊢ ((le‘𝐾) ∩ (𝐵 × 𝐵)) ∈ V
12	9, 11	eqeltri 2833	. . . . . . . . . . . 12 ⊢ ≤ ∈ V
13	12	inex1 5264	. . . . . . . . . . 11 ⊢ ( ≤ ∩ (𝐴 × 𝐴)) ∈ V
14	13	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → ( ≤ ∩ (𝐴 × 𝐴)) ∈ V)
15		eqid 2737	. . . . . . . . . . 11 ⊢ dom ( ≤ ∩ (𝐴 × 𝐴)) = dom ( ≤ ∩ (𝐴 × 𝐴))
16	15	ordttopon 23149	. . . . . . . . . 10 ⊢ (( ≤ ∩ (𝐴 × 𝐴)) ∈ V → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘dom ( ≤ ∩ (𝐴 × 𝐴))))
17	14, 16	syl 17	. . . . . . . . 9 ⊢ (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘dom ( ≤ ∩ (𝐴 × 𝐴))))
18		ordtrest2NEW.2	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐾 ∈ Toset)
19		tospos 18353	. . . . . . . . . . . 12 ⊢ (𝐾 ∈ Toset → 𝐾 ∈ Poset)
20		posprs 18251	. . . . . . . . . . . 12 ⊢ (𝐾 ∈ Poset → 𝐾 ∈ Proset )
21	18, 19, 20	3syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐾 ∈ Proset )
22		ordtNEW.b	. . . . . . . . . . . 12 ⊢ 𝐵 = (Base‘𝐾)
23	22, 9	prsssdm 34094	. . . . . . . . . . 11 ⊢ ((𝐾 ∈ Proset ∧ 𝐴 ⊆ 𝐵) → dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴)
24	21, 2, 23	syl2anc 585	. . . . . . . . . 10 ⊢ (𝜑 → dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴)
25	24	fveq2d 6846	. . . . . . . . 9 ⊢ (𝜑 → (TopOn‘dom ( ≤ ∩ (𝐴 × 𝐴))) = (TopOn‘𝐴))
26	17, 25	eleqtrd 2839	. . . . . . . 8 ⊢ (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘𝐴))
27		toponmax 22882	. . . . . . . 8 ⊢ ((ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘𝐴) → 𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
28	26, 27	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
29	28	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → 𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
30		rabid2 3434	. . . . . . 7 ⊢ (𝐴 = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ↔ ∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧)
31		eleq1 2825	. . . . . . 7 ⊢ (𝐴 = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} → (𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
32	30, 31	sylbir 235	. . . . . 6 ⊢ (∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧 → (𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
33	29, 32	syl5ibcom 245	. . . . 5 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → (∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
34		dfrex2 3065	. . . . . . 7 ⊢ (∃𝑤 ∈ 𝐴 𝑤 ≤ 𝑧 ↔ ¬ ∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧)
35		breq1 5103	. . . . . . . 8 ⊢ (𝑤 = 𝑥 → (𝑤 ≤ 𝑧 ↔ 𝑥 ≤ 𝑧))
36	35	cbvrexvw 3217	. . . . . . 7 ⊢ (∃𝑤 ∈ 𝐴 𝑤 ≤ 𝑧 ↔ ∃𝑥 ∈ 𝐴 𝑥 ≤ 𝑧)
37	34, 36	bitr3i 277	. . . . . 6 ⊢ (¬ ∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧 ↔ ∃𝑥 ∈ 𝐴 𝑥 ≤ 𝑧)
38		ordttop 23156	. . . . . . . . . . . . 13 ⊢ (( ≤ ∩ (𝐴 × 𝐴)) ∈ V → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ Top)
39	14, 38	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ Top)
40	39	adantr 480	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ Top)
41		0opn 22860	. . . . . . . . . . 11 ⊢ ((ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ Top → ∅ ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
42	40, 41	syl 17	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → ∅ ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
43	42	adantr 480	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → ∅ ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
44		eleq1 2825	. . . . . . . . 9 ⊢ ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} = ∅ → ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ ∅ ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
45	43, 44	syl5ibrcom 247	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} = ∅ → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
46		rabn0 4343	. . . . . . . . . 10 ⊢ ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ≠ ∅ ↔ ∃𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧)
47		breq1 5103	. . . . . . . . . . . 12 ⊢ (𝑤 = 𝑦 → (𝑤 ≤ 𝑧 ↔ 𝑦 ≤ 𝑧))
48	47	notbid 318	. . . . . . . . . . 11 ⊢ (𝑤 = 𝑦 → (¬ 𝑤 ≤ 𝑧 ↔ ¬ 𝑦 ≤ 𝑧))
49	48	cbvrexvw 3217	. . . . . . . . . 10 ⊢ (∃𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧 ↔ ∃𝑦 ∈ 𝐴 ¬ 𝑦 ≤ 𝑧)
50	46, 49	bitri 275	. . . . . . . . 9 ⊢ ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ≠ ∅ ↔ ∃𝑦 ∈ 𝐴 ¬ 𝑦 ≤ 𝑧)
51	18	ad3antrrr 731	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → 𝐾 ∈ Toset)
52	2	ad2antrr 727	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → 𝐴 ⊆ 𝐵)
53	52	sselda 3935	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → 𝑦 ∈ 𝐵)
54		simpllr 776	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → 𝑧 ∈ 𝐵)
55	22, 9	trleile 33063	. . . . . . . . . . . . 13 ⊢ ((𝐾 ∈ Toset ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → (𝑦 ≤ 𝑧 ∨ 𝑧 ≤ 𝑦))
56	51, 53, 54, 55	syl3anc 1374	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → (𝑦 ≤ 𝑧 ∨ 𝑧 ≤ 𝑦))
57	56	ord 865	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → (¬ 𝑦 ≤ 𝑧 → 𝑧 ≤ 𝑦))
58		an4 657	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦)) ↔ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴) ∧ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)))
59		ordtrest2NEW.4	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → {𝑧 ∈ 𝐵 ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)} ⊆ 𝐴)
60		rabss 4024	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ({𝑧 ∈ 𝐵 ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)} ⊆ 𝐴 ↔ ∀𝑧 ∈ 𝐵 ((𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦) → 𝑧 ∈ 𝐴))
61	59, 60	sylib 218	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → ∀𝑧 ∈ 𝐵 ((𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦) → 𝑧 ∈ 𝐴))
62	61	r19.21bi 3230	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) ∧ 𝑧 ∈ 𝐵) → ((𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦) → 𝑧 ∈ 𝐴))
63	62	an32s 653	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → ((𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦) → 𝑧 ∈ 𝐴))
64	63	impr 454	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴) ∧ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦))) → 𝑧 ∈ 𝐴)
65	58, 64	sylan2b 595	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → 𝑧 ∈ 𝐴)
66		brinxp 5711	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑤 ∈ 𝐴 ∧ 𝑧 ∈ 𝐴) → (𝑤 ≤ 𝑧 ↔ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧))
67	66	ancoms 458	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) → (𝑤 ≤ 𝑧 ↔ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧))
68	67	notbid 318	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑧 ∈ 𝐴 ∧ 𝑤 ∈ 𝐴) → (¬ 𝑤 ≤ 𝑧 ↔ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧))
69	68	rabbidva 3407	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 ∈ 𝐴 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧})
70	65, 69	syl 17	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧})
71	24	ad2antrr 727	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴)
72		rabeq 3415	. . . . . . . . . . . . . . . 16 ⊢ (dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴 → {𝑤 ∈ dom ( ≤ ∩ (𝐴 × 𝐴)) ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧} = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧})
73	71, 72	syl 17	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → {𝑤 ∈ dom ( ≤ ∩ (𝐴 × 𝐴)) ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧} = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧})
74	70, 73	eqtr4d 2775	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} = {𝑤 ∈ dom ( ≤ ∩ (𝐴 × 𝐴)) ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧})
75	13	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → ( ≤ ∩ (𝐴 × 𝐴)) ∈ V)
76	65, 71	eleqtrrd 2840	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → 𝑧 ∈ dom ( ≤ ∩ (𝐴 × 𝐴)))
77	15	ordtopn1 23150	. . . . . . . . . . . . . . 15 ⊢ ((( ≤ ∩ (𝐴 × 𝐴)) ∈ V ∧ 𝑧 ∈ dom ( ≤ ∩ (𝐴 × 𝐴))) → {𝑤 ∈ dom ( ≤ ∩ (𝐴 × 𝐴)) ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
78	75, 76, 77	syl2anc 585	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → {𝑤 ∈ dom ( ≤ ∩ (𝐴 × 𝐴)) ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
79	74, 78	eqeltrd 2837	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
80	79	anassrs 467	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦)) → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
81	80	expr 456	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → (𝑧 ≤ 𝑦 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
82	57, 81	syld 47	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → (¬ 𝑦 ≤ 𝑧 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
83	82	rexlimdva 3139	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → (∃𝑦 ∈ 𝐴 ¬ 𝑦 ≤ 𝑧 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
84	50, 83	biimtrid 242	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ≠ ∅ → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
85	45, 84	pm2.61dne 3019	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
86	85	rexlimdvaa 3140	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → (∃𝑥 ∈ 𝐴 𝑥 ≤ 𝑧 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
87	37, 86	biimtrid 242	. . . . 5 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → (¬ ∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
88	33, 87	pm2.61d 179	. . . 4 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
89	8, 88	eqeltrd 2837	. . 3 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
90	89	ralrimiva 3130	. 2 ⊢ (𝜑 → ∀𝑧 ∈ 𝐵 ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
91		fvex 6855	. . . . . . 7 ⊢ (Base‘𝐾) ∈ V
92	22, 91	eqeltri 2833	. . . . . 6 ⊢ 𝐵 ∈ V
93	92	a1i 11	. . . . 5 ⊢ (𝜑 → 𝐵 ∈ V)
94		rabexg 5284	. . . . 5 ⊢ (𝐵 ∈ V → {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∈ V)
95	93, 94	syl 17	. . . 4 ⊢ (𝜑 → {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∈ V)
96	95	ralrimivw 3134	. . 3 ⊢ (𝜑 → ∀𝑧 ∈ 𝐵 {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∈ V)
97		eqid 2737	. . . 4 ⊢ (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) = (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})
98		ineq1 4167	. . . . 5 ⊢ (𝑣 = {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} → (𝑣 ∩ 𝐴) = ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴))
99	98	eleq1d 2822	. . . 4 ⊢ (𝑣 = {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} → ((𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
100	97, 99	ralrnmptw 7048	. . 3 ⊢ (∀𝑧 ∈ 𝐵 {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∈ V → (∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ ∀𝑧 ∈ 𝐵 ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
101	96, 100	syl 17	. 2 ⊢ (𝜑 → (∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ ∀𝑧 ∈ 𝐵 ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
102	90, 101	mpbird 257	1 ⊢ (𝜑 → ∀𝑣 ∈ ran (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})(𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∧ wa 395   ∨ wo 848   = wceq 1542   ∈ wcel 2114   ≠ wne 2933  ∀wral 3052  ∃wrex 3062  {crab 3401  Vcvv 3442   ∩ cin 3902   ⊆ wss 3903  ∅c0 4287   class class class wbr 5100   ↦ cmpt 5181   × cxp 5630  dom cdm 5632  ran crn 5633  ‘cfv 6500  Basecbs 17148  lecple 17196  ordTopcordt 17432   Proset cproset 18227  Posetcpo 18242  Tosetctos 18349  Topctop 22849  TopOnctopon 22866

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 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5243  ax-nul 5253  ax-pow 5312  ax-pr 5379  ax-un 7690  ax-cnex 11094  ax-resscn 11095  ax-1cn 11096  ax-icn 11097  ax-addcl 11098  ax-addrcl 11099  ax-mulcl 11100  ax-mulrcl 11101  ax-mulcom 11102  ax-addass 11103  ax-mulass 11104  ax-distr 11105  ax-i2m1 11106  ax-1ne0 11107  ax-1rid 11108  ax-rnegex 11109  ax-rrecex 11110  ax-cnre 11111  ax-pre-lttri 11112  ax-pre-lttrn 11113  ax-pre-ltadd 11114  ax-pre-mulgt0 11115

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-nel 3038  df-ral 3053  df-rex 3063  df-reu 3353  df-rab 3402  df-v 3444  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-int 4905  df-iun 4950  df-br 5101  df-opab 5163  df-mpt 5182  df-tr 5208  df-id 5527  df-eprel 5532  df-po 5540  df-so 5541  df-fr 5585  df-we 5587  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-rn 5643  df-res 5644  df-ima 5645  df-pred 6267  df-ord 6328  df-on 6329  df-lim 6330  df-suc 6331  df-iota 6456  df-fun 6502  df-fn 6503  df-f 6504  df-f1 6505  df-fo 6506  df-f1o 6507  df-fv 6508  df-riota 7325  df-ov 7371  df-oprab 7372  df-mpo 7373  df-om 7819  df-2nd 7944  df-frecs 8233  df-wrecs 8264  df-recs 8313  df-rdg 8351  df-1o 8407  df-2o 8408  df-er 8645  df-en 8896  df-dom 8897  df-sdom 8898  df-fin 8899  df-fi 9326  df-pnf 11180  df-mnf 11181  df-xr 11182  df-ltxr 11183  df-le 11184  df-sub 11378  df-neg 11379  df-nn 12158  df-2 12220  df-3 12221  df-4 12222  df-5 12223  df-6 12224  df-7 12225  df-8 12226  df-9 12227  df-dec 12620  df-sets 17103  df-slot 17121  df-ndx 17133  df-base 17149  df-ress 17170  df-ple 17209  df-topgen 17375  df-ordt 17434  df-proset 18229  df-poset 18248  df-toset 18350  df-top 22850  df-topon 22867  df-bases 22902

This theorem is referenced by:  ordtrest2NEW  34100