xkococnlem - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > xkococnlem		Structured version Visualization version GIF version

Theorem xkococnlem 21272

Description: Continuity of the composition operation as a function on continuous function spaces. (Contributed by Mario Carneiro, 20-Mar-2015.) (Revised by Mario Carneiro, 22-Aug-2015.)

**Hypotheses**
Ref	Expression
xkococn.1	⊢ 𝐹 = (𝑓 ∈ (𝑆 Cn 𝑇), 𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝑓 ∘ 𝑔))
xkococn.s	⊢ (𝜑 → 𝑆 ∈ 𝑛-Locally Comp)
xkococn.k	⊢ (𝜑 → 𝐾 ⊆ ∪ 𝑅)
xkococn.c	⊢ (𝜑 → (𝑅 ↾_t 𝐾) ∈ Comp)
xkococn.v	⊢ (𝜑 → 𝑉 ∈ 𝑇)
xkococn.a	⊢ (𝜑 → 𝐴 ∈ (𝑆 Cn 𝑇))
xkococn.b	⊢ (𝜑 → 𝐵 ∈ (𝑅 Cn 𝑆))
xkococn.i	⊢ (𝜑 → ((𝐴 ∘ 𝐵) “ 𝐾) ⊆ 𝑉)

**Assertion**
Ref	Expression
xkococnlem	⊢ (𝜑 → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})))

Distinct variable groups: 𝑧,𝐴 𝑧,𝐵 𝑓,𝑔,ℎ,𝑧,𝑅 𝑆,𝑓,𝑔,𝑧 ℎ,𝐾,𝑧 𝑇,𝑓,𝑔,ℎ,𝑧 𝑧,𝐹 ℎ,𝑉,𝑧 Allowed substitution hints: 𝜑(𝑧,𝑓,𝑔,ℎ) 𝐴(𝑓,𝑔,ℎ) 𝐵(𝑓,𝑔,ℎ) 𝑆(ℎ) 𝐹(𝑓,𝑔,ℎ) 𝐾(𝑓,𝑔) 𝑉(𝑓,𝑔)

Proof of Theorem xkococnlem Dummy variables 𝑘 𝑎 𝑠 𝑢 𝑣 𝑤 𝑥 𝑦 𝑏 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		xkococn.b	. . . 4 ⊢ (𝜑 → 𝐵 ∈ (𝑅 Cn 𝑆))
2		xkococn.c	. . . 4 ⊢ (𝜑 → (𝑅 ↾_t 𝐾) ∈ Comp)
3		imacmp 21010	. . . 4 ⊢ ((𝐵 ∈ (𝑅 Cn 𝑆) ∧ (𝑅 ↾_t 𝐾) ∈ Comp) → (𝑆 ↾_t (𝐵 “ 𝐾)) ∈ Comp)
4	1, 2, 3	syl2anc 691	. . 3 ⊢ (𝜑 → (𝑆 ↾_t (𝐵 “ 𝐾)) ∈ Comp)
5		xkococn.s	. . . . . . . . 9 ⊢ (𝜑 → 𝑆 ∈ 𝑛-Locally Comp)
6	5	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) → 𝑆 ∈ 𝑛-Locally Comp)
7		xkococn.a	. . . . . . . . . 10 ⊢ (𝜑 → 𝐴 ∈ (𝑆 Cn 𝑇))
8		xkococn.v	. . . . . . . . . 10 ⊢ (𝜑 → 𝑉 ∈ 𝑇)
9		cnima 20879	. . . . . . . . . 10 ⊢ ((𝐴 ∈ (𝑆 Cn 𝑇) ∧ 𝑉 ∈ 𝑇) → (^◡𝐴 “ 𝑉) ∈ 𝑆)
10	7, 8, 9	syl2anc 691	. . . . . . . . 9 ⊢ (𝜑 → (^◡𝐴 “ 𝑉) ∈ 𝑆)
11	10	adantr 480	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) → (^◡𝐴 “ 𝑉) ∈ 𝑆)
12		imaco 5557	. . . . . . . . . . 11 ⊢ ((𝐴 ∘ 𝐵) “ 𝐾) = (𝐴 “ (𝐵 “ 𝐾))
13		xkococn.i	. . . . . . . . . . 11 ⊢ (𝜑 → ((𝐴 ∘ 𝐵) “ 𝐾) ⊆ 𝑉)
14	12, 13	syl5eqssr 3613	. . . . . . . . . 10 ⊢ (𝜑 → (𝐴 “ (𝐵 “ 𝐾)) ⊆ 𝑉)
15		eqid 2610	. . . . . . . . . . . . 13 ⊢ ∪ 𝑆 = ∪ 𝑆
16		eqid 2610	. . . . . . . . . . . . 13 ⊢ ∪ 𝑇 = ∪ 𝑇
17	15, 16	cnf 20860	. . . . . . . . . . . 12 ⊢ (𝐴 ∈ (𝑆 Cn 𝑇) → 𝐴:∪ 𝑆⟶∪ 𝑇)
18		ffun 5961	. . . . . . . . . . . 12 ⊢ (𝐴:∪ 𝑆⟶∪ 𝑇 → Fun 𝐴)
19	7, 17, 18	3syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → Fun 𝐴)
20		imassrn 5396	. . . . . . . . . . . . 13 ⊢ (𝐵 “ 𝐾) ⊆ ran 𝐵
21		eqid 2610	. . . . . . . . . . . . . . 15 ⊢ ∪ 𝑅 = ∪ 𝑅
22	21, 15	cnf 20860	. . . . . . . . . . . . . 14 ⊢ (𝐵 ∈ (𝑅 Cn 𝑆) → 𝐵:∪ 𝑅⟶∪ 𝑆)
23		frn 5966	. . . . . . . . . . . . . 14 ⊢ (𝐵:∪ 𝑅⟶∪ 𝑆 → ran 𝐵 ⊆ ∪ 𝑆)
24	1, 22, 23	3syl 18	. . . . . . . . . . . . 13 ⊢ (𝜑 → ran 𝐵 ⊆ ∪ 𝑆)
25	20, 24	syl5ss 3579	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐵 “ 𝐾) ⊆ ∪ 𝑆)
26		fdm 5964	. . . . . . . . . . . . 13 ⊢ (𝐴:∪ 𝑆⟶∪ 𝑇 → dom 𝐴 = ∪ 𝑆)
27	7, 17, 26	3syl 18	. . . . . . . . . . . 12 ⊢ (𝜑 → dom 𝐴 = ∪ 𝑆)
28	25, 27	sseqtr4d 3605	. . . . . . . . . . 11 ⊢ (𝜑 → (𝐵 “ 𝐾) ⊆ dom 𝐴)
29		funimass3 6241	. . . . . . . . . . 11 ⊢ ((Fun 𝐴 ∧ (𝐵 “ 𝐾) ⊆ dom 𝐴) → ((𝐴 “ (𝐵 “ 𝐾)) ⊆ 𝑉 ↔ (𝐵 “ 𝐾) ⊆ (^◡𝐴 “ 𝑉)))
30	19, 28, 29	syl2anc 691	. . . . . . . . . 10 ⊢ (𝜑 → ((𝐴 “ (𝐵 “ 𝐾)) ⊆ 𝑉 ↔ (𝐵 “ 𝐾) ⊆ (^◡𝐴 “ 𝑉)))
31	14, 30	mpbid 221	. . . . . . . . 9 ⊢ (𝜑 → (𝐵 “ 𝐾) ⊆ (^◡𝐴 “ 𝑉))
32	31	sselda 3568	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) → 𝑥 ∈ (^◡𝐴 “ 𝑉))
33		nlly2i 21089	. . . . . . . 8 ⊢ ((𝑆 ∈ 𝑛-Locally Comp ∧ (^◡𝐴 “ 𝑉) ∈ 𝑆 ∧ 𝑥 ∈ (^◡𝐴 “ 𝑉)) → ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)∃𝑢 ∈ 𝑆 (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))
34	6, 11, 32, 33	syl3anc 1318	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) → ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)∃𝑢 ∈ 𝑆 (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))
35		nllytop 21086	. . . . . . . . . . . . 13 ⊢ (𝑆 ∈ 𝑛-Locally Comp → 𝑆 ∈ Top)
36	5, 35	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑆 ∈ Top)
37	36	ad3antrrr 762	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑆 ∈ Top)
38		imaexg 6995	. . . . . . . . . . . . 13 ⊢ (𝐵 ∈ (𝑅 Cn 𝑆) → (𝐵 “ 𝐾) ∈ V)
39	1, 38	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐵 “ 𝐾) ∈ V)
40	39	ad3antrrr 762	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → (𝐵 “ 𝐾) ∈ V)
41		simprl 790	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑢 ∈ 𝑆)
42		elrestr 15912	. . . . . . . . . . 11 ⊢ ((𝑆 ∈ Top ∧ (𝐵 “ 𝐾) ∈ V ∧ 𝑢 ∈ 𝑆) → (𝑢 ∩ (𝐵 “ 𝐾)) ∈ (𝑆 ↾_t (𝐵 “ 𝐾)))
43	37, 40, 41, 42	syl3anc 1318	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → (𝑢 ∩ (𝐵 “ 𝐾)) ∈ (𝑆 ↾_t (𝐵 “ 𝐾)))
44		simprr1 1102	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑥 ∈ 𝑢)
45		simpllr 795	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑥 ∈ (𝐵 “ 𝐾))
46	44, 45	elind 3760	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑥 ∈ (𝑢 ∩ (𝐵 “ 𝐾)))
47		inss1 3795	. . . . . . . . . . . 12 ⊢ (𝑢 ∩ (𝐵 “ 𝐾)) ⊆ 𝑢
48		elpwi 4117	. . . . . . . . . . . . . . 15 ⊢ (𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉) → 𝑠 ⊆ (^◡𝐴 “ 𝑉))
49	48	ad2antlr 759	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑠 ⊆ (^◡𝐴 “ 𝑉))
50		elssuni 4403	. . . . . . . . . . . . . . . 16 ⊢ ((^◡𝐴 “ 𝑉) ∈ 𝑆 → (^◡𝐴 “ 𝑉) ⊆ ∪ 𝑆)
51	10, 50	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (^◡𝐴 “ 𝑉) ⊆ ∪ 𝑆)
52	51	ad3antrrr 762	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → (^◡𝐴 “ 𝑉) ⊆ ∪ 𝑆)
53	49, 52	sstrd 3578	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑠 ⊆ ∪ 𝑆)
54		simprr2 1103	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑢 ⊆ 𝑠)
55	15	ssntr 20672	. . . . . . . . . . . . 13 ⊢ (((𝑆 ∈ Top ∧ 𝑠 ⊆ ∪ 𝑆) ∧ (𝑢 ∈ 𝑆 ∧ 𝑢 ⊆ 𝑠)) → 𝑢 ⊆ ((int‘𝑆)‘𝑠))
56	37, 53, 41, 54, 55	syl22anc 1319	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → 𝑢 ⊆ ((int‘𝑆)‘𝑠))
57	47, 56	syl5ss 3579	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → (𝑢 ∩ (𝐵 “ 𝐾)) ⊆ ((int‘𝑆)‘𝑠))
58		simprr3 1104	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → (𝑆 ↾_t 𝑠) ∈ Comp)
59	57, 58	jca 553	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → ((𝑢 ∩ (𝐵 “ 𝐾)) ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp))
60		eleq2 2677	. . . . . . . . . . . 12 ⊢ (𝑦 = (𝑢 ∩ (𝐵 “ 𝐾)) → (𝑥 ∈ 𝑦 ↔ 𝑥 ∈ (𝑢 ∩ (𝐵 “ 𝐾))))
61		sseq1 3589	. . . . . . . . . . . . 13 ⊢ (𝑦 = (𝑢 ∩ (𝐵 “ 𝐾)) → (𝑦 ⊆ ((int‘𝑆)‘𝑠) ↔ (𝑢 ∩ (𝐵 “ 𝐾)) ⊆ ((int‘𝑆)‘𝑠)))
62	61	anbi1d 737	. . . . . . . . . . . 12 ⊢ (𝑦 = (𝑢 ∩ (𝐵 “ 𝐾)) → ((𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp) ↔ ((𝑢 ∩ (𝐵 “ 𝐾)) ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
63	60, 62	anbi12d 743	. . . . . . . . . . 11 ⊢ (𝑦 = (𝑢 ∩ (𝐵 “ 𝐾)) → ((𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)) ↔ (𝑥 ∈ (𝑢 ∩ (𝐵 “ 𝐾)) ∧ ((𝑢 ∩ (𝐵 “ 𝐾)) ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp))))
64	63	rspcev 3282	. . . . . . . . . 10 ⊢ (((𝑢 ∩ (𝐵 “ 𝐾)) ∈ (𝑆 ↾_t (𝐵 “ 𝐾)) ∧ (𝑥 ∈ (𝑢 ∩ (𝐵 “ 𝐾)) ∧ ((𝑢 ∩ (𝐵 “ 𝐾)) ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → ∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
65	43, 46, 59, 64	syl12anc 1316	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) ∧ (𝑢 ∈ 𝑆 ∧ (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → ∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
66	65	rexlimdvaa 3014	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) ∧ 𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)) → (∃𝑢 ∈ 𝑆 (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp) → ∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp))))
67	66	reximdva 3000	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) → (∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)∃𝑢 ∈ 𝑆 (𝑥 ∈ 𝑢 ∧ 𝑢 ⊆ 𝑠 ∧ (𝑆 ↾_t 𝑠) ∈ Comp) → ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp))))
68	34, 67	mpd 15	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) → ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
69		rexcom 3080	. . . . . . 7 ⊢ (∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)) ↔ ∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
70		r19.42v 3073	. . . . . . . 8 ⊢ (∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)) ↔ (𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
71	70	rexbii 3023	. . . . . . 7 ⊢ (∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)) ↔ ∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
72	69, 71	bitri 263	. . . . . 6 ⊢ (∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ (𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)) ↔ ∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
73	68, 72	sylib 207	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐵 “ 𝐾)) → ∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
74	73	ralrimiva 2949	. . . 4 ⊢ (𝜑 → ∀𝑥 ∈ (𝐵 “ 𝐾)∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
75	15	restuni 20776	. . . . . 6 ⊢ ((𝑆 ∈ Top ∧ (𝐵 “ 𝐾) ⊆ ∪ 𝑆) → (𝐵 “ 𝐾) = ∪ (𝑆 ↾_t (𝐵 “ 𝐾)))
76	36, 25, 75	syl2anc 691	. . . . 5 ⊢ (𝜑 → (𝐵 “ 𝐾) = ∪ (𝑆 ↾_t (𝐵 “ 𝐾)))
77	76	raleqdv 3121	. . . 4 ⊢ (𝜑 → (∀𝑥 ∈ (𝐵 “ 𝐾)∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)) ↔ ∀𝑥 ∈ ∪ (𝑆 ↾_t (𝐵 “ 𝐾))∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp))))
78	74, 77	mpbid 221	. . 3 ⊢ (𝜑 → ∀𝑥 ∈ ∪ (𝑆 ↾_t (𝐵 “ 𝐾))∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp)))
79		eqid 2610	. . . 4 ⊢ ∪ (𝑆 ↾_t (𝐵 “ 𝐾)) = ∪ (𝑆 ↾_t (𝐵 “ 𝐾))
80		fveq2 6103	. . . . . 6 ⊢ (𝑠 = (𝑘‘𝑦) → ((int‘𝑆)‘𝑠) = ((int‘𝑆)‘(𝑘‘𝑦)))
81	80	sseq2d 3596	. . . . 5 ⊢ (𝑠 = (𝑘‘𝑦) → (𝑦 ⊆ ((int‘𝑆)‘𝑠) ↔ 𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦))))
82		oveq2 6557	. . . . . 6 ⊢ (𝑠 = (𝑘‘𝑦) → (𝑆 ↾_t 𝑠) = (𝑆 ↾_t (𝑘‘𝑦)))
83	82	eleq1d 2672	. . . . 5 ⊢ (𝑠 = (𝑘‘𝑦) → ((𝑆 ↾_t 𝑠) ∈ Comp ↔ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp))
84	81, 83	anbi12d 743	. . . 4 ⊢ (𝑠 = (𝑘‘𝑦) → ((𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp) ↔ (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))
85	79, 84	cmpcovf 21004	. . 3 ⊢ (((𝑆 ↾_t (𝐵 “ 𝐾)) ∈ Comp ∧ ∀𝑥 ∈ ∪ (𝑆 ↾_t (𝐵 “ 𝐾))∃𝑦 ∈ (𝑆 ↾_t (𝐵 “ 𝐾))(𝑥 ∈ 𝑦 ∧ ∃𝑠 ∈ 𝒫 (^◡𝐴 “ 𝑉)(𝑦 ⊆ ((int‘𝑆)‘𝑠) ∧ (𝑆 ↾_t 𝑠) ∈ Comp))) → ∃𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)(∪ (𝑆 ↾_t (𝐵 “ 𝐾)) = ∪ 𝑤 ∧ ∃𝑘(𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp))))
86	4, 78, 85	syl2anc 691	. 2 ⊢ (𝜑 → ∃𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)(∪ (𝑆 ↾_t (𝐵 “ 𝐾)) = ∪ 𝑤 ∧ ∃𝑘(𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp))))
87	76	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) → (𝐵 “ 𝐾) = ∪ (𝑆 ↾_t (𝐵 “ 𝐾)))
88	87	eqeq1d 2612	. . . . . 6 ⊢ ((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) → ((𝐵 “ 𝐾) = ∪ 𝑤 ↔ ∪ (𝑆 ↾_t (𝐵 “ 𝐾)) = ∪ 𝑤))
89	88	biimpar 501	. . . . 5 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ∪ (𝑆 ↾_t (𝐵 “ 𝐾)) = ∪ 𝑤) → (𝐵 “ 𝐾) = ∪ 𝑤)
90	36	ad2antrr 758	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝑆 ∈ Top)
91		cntop2 20855	. . . . . . . . . . . 12 ⊢ (𝐴 ∈ (𝑆 Cn 𝑇) → 𝑇 ∈ Top)
92	7, 91	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑇 ∈ Top)
93	92	ad2antrr 758	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝑇 ∈ Top)
94		xkotop 21201	. . . . . . . . . 10 ⊢ ((𝑆 ∈ Top ∧ 𝑇 ∈ Top) → (𝑇 ^_ko 𝑆) ∈ Top)
95	90, 93, 94	syl2anc 691	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝑇 ^_ko 𝑆) ∈ Top)
96		cntop1 20854	. . . . . . . . . . . 12 ⊢ (𝐵 ∈ (𝑅 Cn 𝑆) → 𝑅 ∈ Top)
97	1, 96	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑅 ∈ Top)
98	97	ad2antrr 758	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝑅 ∈ Top)
99		xkotop 21201	. . . . . . . . . 10 ⊢ ((𝑅 ∈ Top ∧ 𝑆 ∈ Top) → (𝑆 ^_ko 𝑅) ∈ Top)
100	98, 90, 99	syl2anc 691	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝑆 ^_ko 𝑅) ∈ Top)
101		simprrl 800	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉))
102		frn 5966	. . . . . . . . . . . . 13 ⊢ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) → ran 𝑘 ⊆ 𝒫 (^◡𝐴 “ 𝑉))
103	101, 102	syl 17	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ran 𝑘 ⊆ 𝒫 (^◡𝐴 “ 𝑉))
104		sspwuni 4547	. . . . . . . . . . . 12 ⊢ (ran 𝑘 ⊆ 𝒫 (^◡𝐴 “ 𝑉) ↔ ∪ ran 𝑘 ⊆ (^◡𝐴 “ 𝑉))
105	103, 104	sylib 207	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ ran 𝑘 ⊆ (^◡𝐴 “ 𝑉))
106	10	ad2antrr 758	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (^◡𝐴 “ 𝑉) ∈ 𝑆)
107	106, 50	syl 17	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (^◡𝐴 “ 𝑉) ⊆ ∪ 𝑆)
108	105, 107	sstrd 3578	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ ran 𝑘 ⊆ ∪ 𝑆)
109		ffn 5958	. . . . . . . . . . . . 13 ⊢ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) → 𝑘 Fn 𝑤)
110		fniunfv 6409	. . . . . . . . . . . . 13 ⊢ (𝑘 Fn 𝑤 → ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) = ∪ ran 𝑘)
111	101, 109, 110	3syl 18	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) = ∪ ran 𝑘)
112	111	oveq2d 6565	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝑆 ↾_t ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦)) = (𝑆 ↾_t ∪ ran 𝑘))
113		inss2 3796	. . . . . . . . . . . . 13 ⊢ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin) ⊆ Fin
114		simplr 788	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin))
115	113, 114	sseldi 3566	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝑤 ∈ Fin)
116		simprrr 801	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp))
117		simpr 476	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp) → (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)
118	117	ralimi 2936	. . . . . . . . . . . . 13 ⊢ (∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp) → ∀𝑦 ∈ 𝑤 (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)
119	116, 118	syl 17	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∀𝑦 ∈ 𝑤 (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)
120	15	fiuncmp 21017	. . . . . . . . . . . 12 ⊢ ((𝑆 ∈ Top ∧ 𝑤 ∈ Fin ∧ ∀𝑦 ∈ 𝑤 (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp) → (𝑆 ↾_t ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦)) ∈ Comp)
121	90, 115, 119, 120	syl3anc 1318	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝑆 ↾_t ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦)) ∈ Comp)
122	112, 121	eqeltrrd 2689	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝑆 ↾_t ∪ ran 𝑘) ∈ Comp)
123	8	ad2antrr 758	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝑉 ∈ 𝑇)
124	15, 90, 93, 108, 122, 123	xkoopn 21202	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ∈ (𝑇 ^_ko 𝑆))
125		xkococn.k	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐾 ⊆ ∪ 𝑅)
126	125	ad2antrr 758	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝐾 ⊆ ∪ 𝑅)
127	2	ad2antrr 758	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝑅 ↾_t 𝐾) ∈ Comp)
128	111, 108	eqsstrd 3602	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ ∪ 𝑆)
129		iunss 4497	. . . . . . . . . . . . 13 ⊢ (∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ ∪ 𝑆 ↔ ∀𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ ∪ 𝑆)
130	128, 129	sylib 207	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∀𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ ∪ 𝑆)
131	15	ntropn 20663	. . . . . . . . . . . . . 14 ⊢ ((𝑆 ∈ Top ∧ (𝑘‘𝑦) ⊆ ∪ 𝑆) → ((int‘𝑆)‘(𝑘‘𝑦)) ∈ 𝑆)
132	131	ex 449	. . . . . . . . . . . . 13 ⊢ (𝑆 ∈ Top → ((𝑘‘𝑦) ⊆ ∪ 𝑆 → ((int‘𝑆)‘(𝑘‘𝑦)) ∈ 𝑆))
133	132	ralimdv 2946	. . . . . . . . . . . 12 ⊢ (𝑆 ∈ Top → (∀𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ ∪ 𝑆 → ∀𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ∈ 𝑆))
134	90, 130, 133	sylc 63	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∀𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ∈ 𝑆)
135		iunopn 20528	. . . . . . . . . . 11 ⊢ ((𝑆 ∈ Top ∧ ∀𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ∈ 𝑆) → ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ∈ 𝑆)
136	90, 134, 135	syl2anc 691	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ∈ 𝑆)
137	21, 98, 90, 126, 127, 136	xkoopn 21202	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} ∈ (𝑆 ^_ko 𝑅))
138		txopn 21215	. . . . . . . . 9 ⊢ ((((𝑇 ^_ko 𝑆) ∈ Top ∧ (𝑆 ^_ko 𝑅) ∈ Top) ∧ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ∈ (𝑇 ^_ko 𝑆) ∧ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} ∈ (𝑆 ^_ko 𝑅))) → ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅)))
139	95, 100, 124, 137, 138	syl22anc 1319	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅)))
140	7	ad2antrr 758	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝐴 ∈ (𝑆 Cn 𝑇))
141		imaiun 6407	. . . . . . . . . . . 12 ⊢ (𝐴 “ ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦)) = ∪ 𝑦 ∈ 𝑤 (𝐴 “ (𝑘‘𝑦))
142	111	imaeq2d 5385	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝐴 “ ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦)) = (𝐴 “ ∪ ran 𝑘))
143	141, 142	syl5eqr 2658	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 (𝐴 “ (𝑘‘𝑦)) = (𝐴 “ ∪ ran 𝑘))
144	111, 105	eqsstrd 3602	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ (^◡𝐴 “ 𝑉))
145	19	ad2antrr 758	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → Fun 𝐴)
146	101, 109	syl 17	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝑘 Fn 𝑤)
147	27	ad2antrr 758	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → dom 𝐴 = ∪ 𝑆)
148	108, 147	sseqtr4d 3605	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ ran 𝑘 ⊆ dom 𝐴)
149		simpl1 1057	. . . . . . . . . . . . . . . 16 ⊢ (((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) ∧ 𝑦 ∈ 𝑤) → Fun 𝐴)
150	110	3ad2ant2 1076	. . . . . . . . . . . . . . . . . . 19 ⊢ ((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) → ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) = ∪ ran 𝑘)
151		simp3 1056	. . . . . . . . . . . . . . . . . . 19 ⊢ ((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) → ∪ ran 𝑘 ⊆ dom 𝐴)
152	150, 151	eqsstrd 3602	. . . . . . . . . . . . . . . . . 18 ⊢ ((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) → ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ dom 𝐴)
153		iunss 4497	. . . . . . . . . . . . . . . . . 18 ⊢ (∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ dom 𝐴 ↔ ∀𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ dom 𝐴)
154	152, 153	sylib 207	. . . . . . . . . . . . . . . . 17 ⊢ ((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) → ∀𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ dom 𝐴)
155	154	r19.21bi 2916	. . . . . . . . . . . . . . . 16 ⊢ (((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) ∧ 𝑦 ∈ 𝑤) → (𝑘‘𝑦) ⊆ dom 𝐴)
156		funimass3 6241	. . . . . . . . . . . . . . . 16 ⊢ ((Fun 𝐴 ∧ (𝑘‘𝑦) ⊆ dom 𝐴) → ((𝐴 “ (𝑘‘𝑦)) ⊆ 𝑉 ↔ (𝑘‘𝑦) ⊆ (^◡𝐴 “ 𝑉)))
157	149, 155, 156	syl2anc 691	. . . . . . . . . . . . . . 15 ⊢ (((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) ∧ 𝑦 ∈ 𝑤) → ((𝐴 “ (𝑘‘𝑦)) ⊆ 𝑉 ↔ (𝑘‘𝑦) ⊆ (^◡𝐴 “ 𝑉)))
158	157	ralbidva 2968	. . . . . . . . . . . . . 14 ⊢ ((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) → (∀𝑦 ∈ 𝑤 (𝐴 “ (𝑘‘𝑦)) ⊆ 𝑉 ↔ ∀𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ (^◡𝐴 “ 𝑉)))
159		iunss 4497	. . . . . . . . . . . . . 14 ⊢ (∪ 𝑦 ∈ 𝑤 (𝐴 “ (𝑘‘𝑦)) ⊆ 𝑉 ↔ ∀𝑦 ∈ 𝑤 (𝐴 “ (𝑘‘𝑦)) ⊆ 𝑉)
160		iunss 4497	. . . . . . . . . . . . . 14 ⊢ (∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ (^◡𝐴 “ 𝑉) ↔ ∀𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ (^◡𝐴 “ 𝑉))
161	158, 159, 160	3bitr4g 302	. . . . . . . . . . . . 13 ⊢ ((Fun 𝐴 ∧ 𝑘 Fn 𝑤 ∧ ∪ ran 𝑘 ⊆ dom 𝐴) → (∪ 𝑦 ∈ 𝑤 (𝐴 “ (𝑘‘𝑦)) ⊆ 𝑉 ↔ ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ (^◡𝐴 “ 𝑉)))
162	145, 146, 148, 161	syl3anc 1318	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (∪ 𝑦 ∈ 𝑤 (𝐴 “ (𝑘‘𝑦)) ⊆ 𝑉 ↔ ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ (^◡𝐴 “ 𝑉)))
163	144, 162	mpbird 246	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 (𝐴 “ (𝑘‘𝑦)) ⊆ 𝑉)
164	143, 163	eqsstr3d 3603	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝐴 “ ∪ ran 𝑘) ⊆ 𝑉)
165		imaeq1 5380	. . . . . . . . . . . 12 ⊢ (𝑎 = 𝐴 → (𝑎 “ ∪ ran 𝑘) = (𝐴 “ ∪ ran 𝑘))
166	165	sseq1d 3595	. . . . . . . . . . 11 ⊢ (𝑎 = 𝐴 → ((𝑎 “ ∪ ran 𝑘) ⊆ 𝑉 ↔ (𝐴 “ ∪ ran 𝑘) ⊆ 𝑉))
167	166	elrab 3331	. . . . . . . . . 10 ⊢ (𝐴 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ↔ (𝐴 ∈ (𝑆 Cn 𝑇) ∧ (𝐴 “ ∪ ran 𝑘) ⊆ 𝑉))
168	140, 164, 167	sylanbrc 695	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝐴 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉})
169	1	ad2antrr 758	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝐵 ∈ (𝑅 Cn 𝑆))
170		simprl 790	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝐵 “ 𝐾) = ∪ 𝑤)
171		uniiun 4509	. . . . . . . . . . . 12 ⊢ ∪ 𝑤 = ∪ 𝑦 ∈ 𝑤 𝑦
172	170, 171	syl6eq 2660	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝐵 “ 𝐾) = ∪ 𝑦 ∈ 𝑤 𝑦)
173		simpl 472	. . . . . . . . . . . . 13 ⊢ ((𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp) → 𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)))
174	173	ralimi 2936	. . . . . . . . . . . 12 ⊢ (∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp) → ∀𝑦 ∈ 𝑤 𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)))
175		ss2iun 4472	. . . . . . . . . . . 12 ⊢ (∀𝑦 ∈ 𝑤 𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) → ∪ 𝑦 ∈ 𝑤 𝑦 ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)))
176	116, 174, 175	3syl 18	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 𝑦 ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)))
177	172, 176	eqsstrd 3602	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝐵 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)))
178		imaeq1 5380	. . . . . . . . . . . 12 ⊢ (𝑏 = 𝐵 → (𝑏 “ 𝐾) = (𝐵 “ 𝐾))
179	178	sseq1d 3595	. . . . . . . . . . 11 ⊢ (𝑏 = 𝐵 → ((𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ↔ (𝐵 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))
180	179	elrab 3331	. . . . . . . . . 10 ⊢ (𝐵 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} ↔ (𝐵 ∈ (𝑅 Cn 𝑆) ∧ (𝐵 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))
181	169, 177, 180	sylanbrc 695	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → 𝐵 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))})
182		opelxpi 5072	. . . . . . . . 9 ⊢ ((𝐴 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ∧ 𝐵 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) → ⟨𝐴, 𝐵⟩ ∈ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}))
183	168, 181, 182	syl2anc 691	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ⟨𝐴, 𝐵⟩ ∈ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}))
184		imaeq1 5380	. . . . . . . . . . . . . . 15 ⊢ (𝑎 = 𝑢 → (𝑎 “ ∪ ran 𝑘) = (𝑢 “ ∪ ran 𝑘))
185	184	sseq1d 3595	. . . . . . . . . . . . . 14 ⊢ (𝑎 = 𝑢 → ((𝑎 “ ∪ ran 𝑘) ⊆ 𝑉 ↔ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉))
186	185	elrab 3331	. . . . . . . . . . . . 13 ⊢ (𝑢 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ↔ (𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉))
187		imaeq1 5380	. . . . . . . . . . . . . . 15 ⊢ (𝑏 = 𝑣 → (𝑏 “ 𝐾) = (𝑣 “ 𝐾))
188	187	sseq1d 3595	. . . . . . . . . . . . . 14 ⊢ (𝑏 = 𝑣 → ((𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ↔ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))
189	188	elrab 3331	. . . . . . . . . . . . 13 ⊢ (𝑣 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} ↔ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))
190	186, 189	anbi12i 729	. . . . . . . . . . . 12 ⊢ ((𝑢 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ∧ 𝑣 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ↔ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)))))
191		simprll 798	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → 𝑢 ∈ (𝑆 Cn 𝑇))
192		simprrl 800	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → 𝑣 ∈ (𝑅 Cn 𝑆))
193		coeq1 5201	. . . . . . . . . . . . . . 15 ⊢ (𝑓 = 𝑢 → (𝑓 ∘ 𝑔) = (𝑢 ∘ 𝑔))
194		coeq2 5202	. . . . . . . . . . . . . . 15 ⊢ (𝑔 = 𝑣 → (𝑢 ∘ 𝑔) = (𝑢 ∘ 𝑣))
195		xkococn.1	. . . . . . . . . . . . . . 15 ⊢ 𝐹 = (𝑓 ∈ (𝑆 Cn 𝑇), 𝑔 ∈ (𝑅 Cn 𝑆) ↦ (𝑓 ∘ 𝑔))
196		vex 3176	. . . . . . . . . . . . . . . 16 ⊢ 𝑢 ∈ V
197		vex 3176	. . . . . . . . . . . . . . . 16 ⊢ 𝑣 ∈ V
198	196, 197	coex 7011	. . . . . . . . . . . . . . 15 ⊢ (𝑢 ∘ 𝑣) ∈ V
199	193, 194, 195, 198	ovmpt2 6694	. . . . . . . . . . . . . 14 ⊢ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ 𝑣 ∈ (𝑅 Cn 𝑆)) → (𝑢𝐹𝑣) = (𝑢 ∘ 𝑣))
200	191, 192, 199	syl2anc 691	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑢𝐹𝑣) = (𝑢 ∘ 𝑣))
201		cnco 20880	. . . . . . . . . . . . . . 15 ⊢ ((𝑣 ∈ (𝑅 Cn 𝑆) ∧ 𝑢 ∈ (𝑆 Cn 𝑇)) → (𝑢 ∘ 𝑣) ∈ (𝑅 Cn 𝑇))
202	192, 191, 201	syl2anc 691	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑢 ∘ 𝑣) ∈ (𝑅 Cn 𝑇))
203		imaco 5557	. . . . . . . . . . . . . . 15 ⊢ ((𝑢 ∘ 𝑣) “ 𝐾) = (𝑢 “ (𝑣 “ 𝐾))
204		simprrr 801	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)))
205	15	ntrss2 20671	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑆 ∈ Top ∧ (𝑘‘𝑦) ⊆ ∪ 𝑆) → ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ (𝑘‘𝑦))
206	205	ex 449	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑆 ∈ Top → ((𝑘‘𝑦) ⊆ ∪ 𝑆 → ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ (𝑘‘𝑦)))
207	206	ralimdv 2946	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑆 ∈ Top → (∀𝑦 ∈ 𝑤 (𝑘‘𝑦) ⊆ ∪ 𝑆 → ∀𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ (𝑘‘𝑦)))
208	90, 130, 207	sylc 63	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∀𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ (𝑘‘𝑦))
209		ss2iun 4472	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (∀𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ (𝑘‘𝑦) → ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦))
210	208, 209	syl 17	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ ∪ 𝑦 ∈ 𝑤 (𝑘‘𝑦))
211	210, 111	sseqtrd 3604	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ ∪ ran 𝑘)
212	211	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦)) ⊆ ∪ ran 𝑘)
213	204, 212	sstrd 3578	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑣 “ 𝐾) ⊆ ∪ ran 𝑘)
214		imass2 5420	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑣 “ 𝐾) ⊆ ∪ ran 𝑘 → (𝑢 “ (𝑣 “ 𝐾)) ⊆ (𝑢 “ ∪ ran 𝑘))
215	213, 214	syl 17	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑢 “ (𝑣 “ 𝐾)) ⊆ (𝑢 “ ∪ ran 𝑘))
216		simprlr 799	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉)
217	215, 216	sstrd 3578	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑢 “ (𝑣 “ 𝐾)) ⊆ 𝑉)
218	203, 217	syl5eqss 3612	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → ((𝑢 ∘ 𝑣) “ 𝐾) ⊆ 𝑉)
219		imaeq1 5380	. . . . . . . . . . . . . . . 16 ⊢ (ℎ = (𝑢 ∘ 𝑣) → (ℎ “ 𝐾) = ((𝑢 ∘ 𝑣) “ 𝐾))
220	219	sseq1d 3595	. . . . . . . . . . . . . . 15 ⊢ (ℎ = (𝑢 ∘ 𝑣) → ((ℎ “ 𝐾) ⊆ 𝑉 ↔ ((𝑢 ∘ 𝑣) “ 𝐾) ⊆ 𝑉))
221	220	elrab 3331	. . . . . . . . . . . . . 14 ⊢ ((𝑢 ∘ 𝑣) ∈ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉} ↔ ((𝑢 ∘ 𝑣) ∈ (𝑅 Cn 𝑇) ∧ ((𝑢 ∘ 𝑣) “ 𝐾) ⊆ 𝑉))
222	202, 218, 221	sylanbrc 695	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑢 ∘ 𝑣) ∈ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})
223	200, 222	eqeltrd 2688	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ ((𝑢 ∈ (𝑆 Cn 𝑇) ∧ (𝑢 “ ∪ ran 𝑘) ⊆ 𝑉) ∧ (𝑣 ∈ (𝑅 Cn 𝑆) ∧ (𝑣 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))))) → (𝑢𝐹𝑣) ∈ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})
224	190, 223	sylan2b 491	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) ∧ (𝑢 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ∧ 𝑣 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))})) → (𝑢𝐹𝑣) ∈ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})
225	224	ralrimivva 2954	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∀𝑢 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉}∀𝑣 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} (𝑢𝐹𝑣) ∈ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})
226	195	mpt2fun 6660	. . . . . . . . . . 11 ⊢ Fun 𝐹
227		ssrab2 3650	. . . . . . . . . . . . 13 ⊢ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ⊆ (𝑆 Cn 𝑇)
228		ssrab2 3650	. . . . . . . . . . . . 13 ⊢ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} ⊆ (𝑅 Cn 𝑆)
229		xpss12 5148	. . . . . . . . . . . . 13 ⊢ (({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} ⊆ (𝑆 Cn 𝑇) ∧ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} ⊆ (𝑅 Cn 𝑆)) → ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ ((𝑆 Cn 𝑇) × (𝑅 Cn 𝑆)))
230	227, 228, 229	mp2an 704	. . . . . . . . . . . 12 ⊢ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ ((𝑆 Cn 𝑇) × (𝑅 Cn 𝑆))
231		vex 3176	. . . . . . . . . . . . . 14 ⊢ 𝑓 ∈ V
232		vex 3176	. . . . . . . . . . . . . 14 ⊢ 𝑔 ∈ V
233	231, 232	coex 7011	. . . . . . . . . . . . 13 ⊢ (𝑓 ∘ 𝑔) ∈ V
234	195, 233	dmmpt2 7129	. . . . . . . . . . . 12 ⊢ dom 𝐹 = ((𝑆 Cn 𝑇) × (𝑅 Cn 𝑆))
235	230, 234	sseqtr4i 3601	. . . . . . . . . . 11 ⊢ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ dom 𝐹
236		funimassov 6709	. . . . . . . . . . 11 ⊢ ((Fun 𝐹 ∧ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ dom 𝐹) → ((𝐹 “ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))})) ⊆ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉} ↔ ∀𝑢 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉}∀𝑣 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} (𝑢𝐹𝑣) ∈ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))
237	226, 235, 236	mp2an 704	. . . . . . . . . 10 ⊢ ((𝐹 “ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))})) ⊆ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉} ↔ ∀𝑢 ∈ {𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉}∀𝑣 ∈ {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))} (𝑢𝐹𝑣) ∈ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})
238	225, 237	sylibr 223	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → (𝐹 “ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))})) ⊆ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})
239		funimass3 6241	. . . . . . . . . 10 ⊢ ((Fun 𝐹 ∧ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ dom 𝐹) → ((𝐹 “ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))})) ⊆ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉} ↔ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})))
240	226, 235, 239	mp2an 704	. . . . . . . . 9 ⊢ ((𝐹 “ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))})) ⊆ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉} ↔ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))
241	238, 240	sylib 207	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))
242		eleq2 2677	. . . . . . . . . 10 ⊢ (𝑧 = ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) → (⟨𝐴, 𝐵⟩ ∈ 𝑧 ↔ ⟨𝐴, 𝐵⟩ ∈ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))})))
243		sseq1 3589	. . . . . . . . . 10 ⊢ (𝑧 = ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) → (𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}) ↔ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})))
244	242, 243	anbi12d 743	. . . . . . . . 9 ⊢ (𝑧 = ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) → ((⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})) ↔ (⟨𝐴, 𝐵⟩ ∈ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ∧ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))))
245	244	rspcev 3282	. . . . . . . 8 ⊢ ((({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅)) ∧ (⟨𝐴, 𝐵⟩ ∈ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ∧ ({𝑎 ∈ (𝑆 Cn 𝑇) ∣ (𝑎 “ ∪ ran 𝑘) ⊆ 𝑉} × {𝑏 ∈ (𝑅 Cn 𝑆) ∣ (𝑏 “ 𝐾) ⊆ ∪ 𝑦 ∈ 𝑤 ((int‘𝑆)‘(𝑘‘𝑦))}) ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))) → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})))
246	139, 183, 241, 245	syl12anc 1316	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ((𝐵 “ 𝐾) = ∪ 𝑤 ∧ (𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)))) → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})))
247	246	expr 641	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ (𝐵 “ 𝐾) = ∪ 𝑤) → ((𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)) → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))))
248	247	exlimdv 1848	. . . . 5 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ (𝐵 “ 𝐾) = ∪ 𝑤) → (∃𝑘(𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)) → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))))
249	89, 248	syldan 486	. . . 4 ⊢ (((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) ∧ ∪ (𝑆 ↾_t (𝐵 “ 𝐾)) = ∪ 𝑤) → (∃𝑘(𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp)) → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))))
250	249	expimpd 627	. . 3 ⊢ ((𝜑 ∧ 𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)) → ((∪ (𝑆 ↾_t (𝐵 “ 𝐾)) = ∪ 𝑤 ∧ ∃𝑘(𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp))) → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))))
251	250	rexlimdva 3013	. 2 ⊢ (𝜑 → (∃𝑤 ∈ (𝒫 (𝑆 ↾_t (𝐵 “ 𝐾)) ∩ Fin)(∪ (𝑆 ↾_t (𝐵 “ 𝐾)) = ∪ 𝑤 ∧ ∃𝑘(𝑘:𝑤⟶𝒫 (^◡𝐴 “ 𝑉) ∧ ∀𝑦 ∈ 𝑤 (𝑦 ⊆ ((int‘𝑆)‘(𝑘‘𝑦)) ∧ (𝑆 ↾_t (𝑘‘𝑦)) ∈ Comp))) → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉}))))
252	86, 251	mpd 15	1 ⊢ (𝜑 → ∃𝑧 ∈ ((𝑇 ^_ko 𝑆) ×_t (𝑆 ^_ko 𝑅))(⟨𝐴, 𝐵⟩ ∈ 𝑧 ∧ 𝑧 ⊆ (^◡𝐹 “ {ℎ ∈ (𝑅 Cn 𝑇) ∣ (ℎ “ 𝐾) ⊆ 𝑉})))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 ∧ w3a 1031 = wceq 1475 ∃wex 1695 ∈ wcel 1977 ∀wral 2896 ∃wrex 2897 {crab 2900 Vcvv 3173 ∩ cin 3539 ⊆ wss 3540 𝒫 cpw 4108 ⟨cop 4131 ∪ cuni 4372 ∪ ciun 4455 × cxp 5036 ^◡ccnv 5037 dom cdm 5038 ran crn 5039 “ cima 5041 ∘ ccom 5042 Fun wfun 5798 Fn wfn 5799 ⟶wf 5800 ‘cfv 5804 (class class class)co 6549 ↦ cmpt2 6551 Fincfn 7841 ↾_t crest 15904 Topctop 20517 intcnt 20631 Cn ccn 20838 Compccmp 20999 𝑛-Locally cnlly 21078 ×_t ctx 21173 ^_ko cxko 21174

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847

This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-1st 7059 df-2nd 7060 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-1o 7447 df-oadd 7451 df-er 7629 df-map 7746 df-en 7842 df-dom 7843 df-fin 7845 df-fi 8200 df-rest 15906 df-topgen 15927 df-top 20521 df-bases 20522 df-topon 20523 df-ntr 20634 df-nei 20712 df-cn 20841 df-cmp 21000 df-nlly 21080 df-tx 21175 df-xko 21176

This theorem is referenced by: xkococn 21273

W3C validator