Theorem ordtrest2NEWlem 33523

Description: Lemma for ordtrest2NEW 33524. (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 4308	. . . . 5 ⊢ ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) = {𝑤 ∈ (𝐵 ∩ 𝐴) ∣ ¬ 𝑤 ≤ 𝑧}
2		ordtrest2NEW.3	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ⊆ 𝐵)
3		sseqin2 4215	. . . . . . . 8 ⊢ (𝐴 ⊆ 𝐵 ↔ (𝐵 ∩ 𝐴) = 𝐴)
4	2, 3	sylib 217	. . . . . . 7 ⊢ (𝜑 → (𝐵 ∩ 𝐴) = 𝐴)
5	4	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → (𝐵 ∩ 𝐴) = 𝐴)
6		rabeq 3443	. . . . . 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 2780	. . . 4 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧})
9		ordtNEW.l	. . . . . . . . . . . . 13 ⊢ ≤ = ((le‘𝐾) ∩ (𝐵 × 𝐵))
10		fvex 6910	. . . . . . . . . . . . . 14 ⊢ (le‘𝐾) ∈ V
11	10	inex1 5317	. . . . . . . . . . . . 13 ⊢ ((le‘𝐾) ∩ (𝐵 × 𝐵)) ∈ V
12	9, 11	eqeltri 2825	. . . . . . . . . . . 12 ⊢ ≤ ∈ V
13	12	inex1 5317	. . . . . . . . . . 11 ⊢ ( ≤ ∩ (𝐴 × 𝐴)) ∈ V
14	13	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → ( ≤ ∩ (𝐴 × 𝐴)) ∈ V)
15		eqid 2728	. . . . . . . . . . 11 ⊢ dom ( ≤ ∩ (𝐴 × 𝐴)) = dom ( ≤ ∩ (𝐴 × 𝐴))
16	15	ordttopon 23110	. . . . . . . . . 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 18412	. . . . . . . . . . . 12 ⊢ (𝐾 ∈ Toset → 𝐾 ∈ Poset)
20		posprs 18308	. . . . . . . . . . . 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 33518	. . . . . . . . . . 11 ⊢ ((𝐾 ∈ Proset ∧ 𝐴 ⊆ 𝐵) → dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴)
24	21, 2, 23	syl2anc 583	. . . . . . . . . 10 ⊢ (𝜑 → dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴)
25	24	fveq2d 6901	. . . . . . . . 9 ⊢ (𝜑 → (TopOn‘dom ( ≤ ∩ (𝐴 × 𝐴))) = (TopOn‘𝐴))
26	17, 25	eleqtrd 2831	. . . . . . . 8 ⊢ (𝜑 → (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ∈ (TopOn‘𝐴))
27		toponmax 22841	. . . . . . . 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 3461	. . . . . . 7 ⊢ (𝐴 = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ↔ ∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧)
31		eleq1 2817	. . . . . . 7 ⊢ (𝐴 = {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} → (𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
32	30, 31	sylbir 234	. . . . . 6 ⊢ (∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧 → (𝐴 ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
33	29, 32	syl5ibcom 244	. . . . 5 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → (∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
34		dfrex2 3070	. . . . . . 7 ⊢ (∃𝑤 ∈ 𝐴 𝑤 ≤ 𝑧 ↔ ¬ ∀𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧)
35		breq1 5151	. . . . . . . 8 ⊢ (𝑤 = 𝑥 → (𝑤 ≤ 𝑧 ↔ 𝑥 ≤ 𝑧))
36	35	cbvrexvw 3232	. . . . . . 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 23117	. . . . . . . . . . . . 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 22819	. . . . . . . . . . 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 2817	. . . . . . . . 9 ⊢ ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} = ∅ → ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ ∅ ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
45	43, 44	syl5ibrcom 246	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} = ∅ → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
46		rabn0 4386	. . . . . . . . . 10 ⊢ ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ≠ ∅ ↔ ∃𝑤 ∈ 𝐴 ¬ 𝑤 ≤ 𝑧)
47		breq1 5151	. . . . . . . . . . . 12 ⊢ (𝑤 = 𝑦 → (𝑤 ≤ 𝑧 ↔ 𝑦 ≤ 𝑧))
48	47	notbid 318	. . . . . . . . . . 11 ⊢ (𝑤 = 𝑦 → (¬ 𝑤 ≤ 𝑧 ↔ ¬ 𝑦 ≤ 𝑧))
49	48	cbvrexvw 3232	. . . . . . . . . 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 729	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → 𝐾 ∈ Toset)
52	2	ad2antrr 725	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → 𝐴 ⊆ 𝐵)
53	52	sselda 3980	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → 𝑦 ∈ 𝐵)
54		simpllr 775	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → 𝑧 ∈ 𝐵)
55	22, 9	trleile 32711	. . . . . . . . . . . . 13 ⊢ ((𝐾 ∈ Toset ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵) → (𝑦 ≤ 𝑧 ∨ 𝑧 ≤ 𝑦))
56	51, 53, 54, 55	syl3anc 1369	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → (𝑦 ≤ 𝑧 ∨ 𝑧 ≤ 𝑦))
57	56	ord 863	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) ∧ 𝑦 ∈ 𝐴) → (¬ 𝑦 ≤ 𝑧 → 𝑧 ≤ 𝑦))
58		an4 655	. . . . . . . . . . . . . . . . 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 4067	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ({𝑧 ∈ 𝐵 ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦)} ⊆ 𝐴 ↔ ∀𝑧 ∈ 𝐵 ((𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦) → 𝑧 ∈ 𝐴))
61	59, 60	sylib 217	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) → ∀𝑧 ∈ 𝐵 ((𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦) → 𝑧 ∈ 𝐴))
62	61	r19.21bi 3245	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐴)) ∧ 𝑧 ∈ 𝐵) → ((𝑥 ≤ 𝑧 ∧ 𝑧 ≤ 𝑦) → 𝑧 ∈ 𝐴))
63	62	an32s 651	. . . . . . . . . . . . . . . . . 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 593	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → 𝑧 ∈ 𝐴)
66		brinxp 5756	. . . . . . . . . . . . . . . . . . 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 3436	. . . . . . . . . . . . . . . 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 725	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → dom ( ≤ ∩ (𝐴 × 𝐴)) = 𝐴)
72		rabeq 3443	. . . . . . . . . . . . . . . 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 2771	. . . . . . . . . . . . . 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 2832	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ ((𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧) ∧ (𝑦 ∈ 𝐴 ∧ 𝑧 ≤ 𝑦))) → 𝑧 ∈ dom ( ≤ ∩ (𝐴 × 𝐴)))
77	15	ordtopn1 23111	. . . . . . . . . . . . . . 15 ⊢ ((( ≤ ∩ (𝐴 × 𝐴)) ∈ V ∧ 𝑧 ∈ dom ( ≤ ∩ (𝐴 × 𝐴))) → {𝑤 ∈ dom ( ≤ ∩ (𝐴 × 𝐴)) ∣ ¬ 𝑤( ≤ ∩ (𝐴 × 𝐴))𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
78	75, 76, 77	syl2anc 583	. . . . . . . . . . . . . 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 2829	. . . . . . . . . . . . 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 3152	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → (∃𝑦 ∈ 𝐴 ¬ 𝑦 ≤ 𝑧 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
84	50, 83	biimtrid 241	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → ({𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ≠ ∅ → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
85	45, 84	pm2.61dne 3025	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑧 ∈ 𝐵) ∧ (𝑥 ∈ 𝐴 ∧ 𝑥 ≤ 𝑧)) → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
86	85	rexlimdvaa 3153	. . . . . 6 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → (∃𝑥 ∈ 𝐴 𝑥 ≤ 𝑧 → {𝑤 ∈ 𝐴 ∣ ¬ 𝑤 ≤ 𝑧} ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
87	37, 86	biimtrid 241	. . . . 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 2829	. . 3 ⊢ ((𝜑 ∧ 𝑧 ∈ 𝐵) → ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
90	89	ralrimiva 3143	. 2 ⊢ (𝜑 → ∀𝑧 ∈ 𝐵 ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))))
91		fvex 6910	. . . . . . 7 ⊢ (Base‘𝐾) ∈ V
92	22, 91	eqeltri 2825	. . . . . 6 ⊢ 𝐵 ∈ V
93	92	a1i 11	. . . . 5 ⊢ (𝜑 → 𝐵 ∈ V)
94		rabexg 5333	. . . . 5 ⊢ (𝐵 ∈ V → {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∈ V)
95	93, 94	syl 17	. . . 4 ⊢ (𝜑 → {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∈ V)
96	95	ralrimivw 3147	. . 3 ⊢ (𝜑 → ∀𝑧 ∈ 𝐵 {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∈ V)
97		eqid 2728	. . . 4 ⊢ (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧}) = (𝑧 ∈ 𝐵 ↦ {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧})
98		ineq1 4205	. . . . 5 ⊢ (𝑣 = {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} → (𝑣 ∩ 𝐴) = ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴))
99	98	eleq1d 2814	. . . 4 ⊢ (𝑣 = {𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} → ((𝑣 ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴))) ↔ ({𝑤 ∈ 𝐵 ∣ ¬ 𝑤 ≤ 𝑧} ∩ 𝐴) ∈ (ordTop‘( ≤ ∩ (𝐴 × 𝐴)))))
100	97, 99	ralrnmptw 7104	. . 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 205   ∧ wa 395   ∨ wo 846   = wceq 1534   ∈ wcel 2099   ≠ wne 2937  ∀wral 3058  ∃wrex 3067  {crab 3429  Vcvv 3471   ∩ cin 3946   ⊆ wss 3947  ∅c0 4323   class class class wbr 5148   ↦ cmpt 5231   × cxp 5676  dom cdm 5678  ran crn 5679  ‘cfv 6548  Basecbs 17180  lecple 17240  ordTopcordt 17481   Proset cproset 18285  Posetcpo 18299  Tosetctos 18408  Topctop 22808  TopOnctopon 22825

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1790  ax-4 1804  ax-5 1906  ax-6 1964  ax-7 2004  ax-8 2101  ax-9 2109  ax-10 2130  ax-11 2147  ax-12 2167  ax-ext 2699  ax-sep 5299  ax-nul 5306  ax-pow 5365  ax-pr 5429  ax-un 7740  ax-cnex 11195  ax-resscn 11196  ax-1cn 11197  ax-icn 11198  ax-addcl 11199  ax-addrcl 11200  ax-mulcl 11201  ax-mulrcl 11202  ax-mulcom 11203  ax-addass 11204  ax-mulass 11205  ax-distr 11206  ax-i2m1 11207  ax-1ne0 11208  ax-1rid 11209  ax-rnegex 11210  ax-rrecex 11211  ax-cnre 11212  ax-pre-lttri 11213  ax-pre-lttrn 11214  ax-pre-ltadd 11215  ax-pre-mulgt0 11216

This theorem depends on definitions:  df-bi 206  df-an 396  df-or 847  df-3or 1086  df-3an 1087  df-tru 1537  df-fal 1547  df-ex 1775  df-nf 1779  df-sb 2061  df-mo 2530  df-eu 2559  df-clab 2706  df-cleq 2720  df-clel 2806  df-nfc 2881  df-ne 2938  df-nel 3044  df-ral 3059  df-rex 3068  df-reu 3374  df-rab 3430  df-v 3473  df-sbc 3777  df-csb 3893  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-pss 3966  df-nul 4324  df-if 4530  df-pw 4605  df-sn 4630  df-pr 4632  df-op 4636  df-uni 4909  df-int 4950  df-iun 4998  df-br 5149  df-opab 5211  df-mpt 5232  df-tr 5266  df-id 5576  df-eprel 5582  df-po 5590  df-so 5591  df-fr 5633  df-we 5635  df-xp 5684  df-rel 5685  df-cnv 5686  df-co 5687  df-dm 5688  df-rn 5689  df-res 5690  df-ima 5691  df-pred 6305  df-ord 6372  df-on 6373  df-lim 6374  df-suc 6375  df-iota 6500  df-fun 6550  df-fn 6551  df-f 6552  df-f1 6553  df-fo 6554  df-f1o 6555  df-fv 6556  df-riota 7376  df-ov 7423  df-oprab 7424  df-mpo 7425  df-om 7871  df-2nd 7994  df-frecs 8287  df-wrecs 8318  df-recs 8392  df-rdg 8431  df-1o 8487  df-er 8725  df-en 8965  df-dom 8966  df-sdom 8967  df-fin 8968  df-fi 9435  df-pnf 11281  df-mnf 11282  df-xr 11283  df-ltxr 11284  df-le 11285  df-sub 11477  df-neg 11478  df-nn 12244  df-2 12306  df-3 12307  df-4 12308  df-5 12309  df-6 12310  df-7 12311  df-8 12312  df-9 12313  df-dec 12709  df-sets 17133  df-slot 17151  df-ndx 17163  df-base 17181  df-ress 17210  df-ple 17253  df-topgen 17425  df-ordt 17483  df-proset 18287  df-poset 18305  df-toset 18409  df-top 22809  df-topon 22826  df-bases 22862

This theorem is referenced by:  ordtrest2NEW  33524