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Theorem ucncn 22089

Description: Uniform continuity implies continuity. Deduction form. Proposition 1 of [BourbakiTop1] p. II.6. (Contributed by Thierry Arnoux, 30-Nov-2017.)

**Hypotheses**
Ref	Expression
ucncn.j	⊢ 𝐽 = (TopOpen‘𝑅)
ucncn.k	⊢ 𝐾 = (TopOpen‘𝑆)
ucncn.1	⊢ (𝜑 → 𝑅 ∈ UnifSp)
ucncn.2	⊢ (𝜑 → 𝑆 ∈ UnifSp)
ucncn.3	⊢ (𝜑 → 𝑅 ∈ TopSp)
ucncn.4	⊢ (𝜑 → 𝑆 ∈ TopSp)
ucncn.5	⊢ (𝜑 → 𝐹 ∈ ((UnifSt‘𝑅) Cn_u(UnifSt‘𝑆)))

**Assertion**
Ref	Expression
ucncn	⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾))

Proof of Theorem ucncn Dummy variables 𝑟 𝑎 𝑠 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ucncn.5	. . . 4 ⊢ (𝜑 → 𝐹 ∈ ((UnifSt‘𝑅) Cn_u(UnifSt‘𝑆)))
2		ucncn.1	. . . . . 6 ⊢ (𝜑 → 𝑅 ∈ UnifSp)
3		eqid 2622	. . . . . . . 8 ⊢ (Base‘𝑅) = (Base‘𝑅)
4		eqid 2622	. . . . . . . 8 ⊢ (UnifSt‘𝑅) = (UnifSt‘𝑅)
5		ucncn.j	. . . . . . . 8 ⊢ 𝐽 = (TopOpen‘𝑅)
6	3, 4, 5	isusp 22065	. . . . . . 7 ⊢ (𝑅 ∈ UnifSp ↔ ((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) ∧ 𝐽 = (unifTop‘(UnifSt‘𝑅))))
7	6	simplbi 476	. . . . . 6 ⊢ (𝑅 ∈ UnifSp → (UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)))
8	2, 7	syl 17	. . . . 5 ⊢ (𝜑 → (UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)))
9		ucncn.2	. . . . . 6 ⊢ (𝜑 → 𝑆 ∈ UnifSp)
10		eqid 2622	. . . . . . . 8 ⊢ (Base‘𝑆) = (Base‘𝑆)
11		eqid 2622	. . . . . . . 8 ⊢ (UnifSt‘𝑆) = (UnifSt‘𝑆)
12		ucncn.k	. . . . . . . 8 ⊢ 𝐾 = (TopOpen‘𝑆)
13	10, 11, 12	isusp 22065	. . . . . . 7 ⊢ (𝑆 ∈ UnifSp ↔ ((UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)) ∧ 𝐾 = (unifTop‘(UnifSt‘𝑆))))
14	13	simplbi 476	. . . . . 6 ⊢ (𝑆 ∈ UnifSp → (UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)))
15	9, 14	syl 17	. . . . 5 ⊢ (𝜑 → (UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)))
16		isucn 22082	. . . . 5 ⊢ (((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) ∧ (UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆))) → (𝐹 ∈ ((UnifSt‘𝑅) Cn_u(UnifSt‘𝑆)) ↔ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑠 ∈ (UnifSt‘𝑆)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))))
17	8, 15, 16	syl2anc 693	. . . 4 ⊢ (𝜑 → (𝐹 ∈ ((UnifSt‘𝑅) Cn_u(UnifSt‘𝑆)) ↔ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑠 ∈ (UnifSt‘𝑆)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))))
18	1, 17	mpbid 222	. . 3 ⊢ (𝜑 → (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑠 ∈ (UnifSt‘𝑆)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))))
19	18	simpld 475	. 2 ⊢ (𝜑 → 𝐹:(Base‘𝑅)⟶(Base‘𝑆))
20		cnvimass 5485	. . . . 5 ⊢ (^◡𝐹 “ 𝑎) ⊆ dom 𝐹
21		fdm 6051	. . . . . . 7 ⊢ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) → dom 𝐹 = (Base‘𝑅))
22	19, 21	syl 17	. . . . . 6 ⊢ (𝜑 → dom 𝐹 = (Base‘𝑅))
23	22	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → dom 𝐹 = (Base‘𝑅))
24	20, 23	syl5sseq 3653	. . . 4 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → (^◡𝐹 “ 𝑎) ⊆ (Base‘𝑅))
25		simplll 798	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → 𝜑)
26		simpr 477	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → 𝑠 ∈ (UnifSt‘𝑆))
27	24	ad2antrr 762	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → (^◡𝐹 “ 𝑎) ⊆ (Base‘𝑅))
28		simplr 792	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → 𝑥 ∈ (^◡𝐹 “ 𝑎))
29	27, 28	sseldd 3604	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → 𝑥 ∈ (Base‘𝑅))
30	18	simprd 479	. . . . . . . . . . . 12 ⊢ (𝜑 → ∀𝑠 ∈ (UnifSt‘𝑆)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
31	30	r19.21bi 2932	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑠 ∈ (UnifSt‘𝑆)) → ∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
32		r19.12 3063	. . . . . . . . . . 11 ⊢ (∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → ∀𝑥 ∈ (Base‘𝑅)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
33	31, 32	syl 17	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑠 ∈ (UnifSt‘𝑆)) → ∀𝑥 ∈ (Base‘𝑅)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
34	33	r19.21bi 2932	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ 𝑥 ∈ (Base‘𝑅)) → ∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
35	25, 26, 29, 34	syl21anc 1325	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → ∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
36	35	adantr 481	. . . . . . 7 ⊢ (((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) → ∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
37	25	ad3antrrr 766	. . . . . . . . . 10 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → 𝜑)
38	8	ad5antr 770	. . . . . . . . . . . 12 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → (UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)))
39		simpr 477	. . . . . . . . . . . 12 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → 𝑟 ∈ (UnifSt‘𝑅))
40		ustrel 22015	. . . . . . . . . . . 12 ⊢ (((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → Rel 𝑟)
41	38, 39, 40	syl2anc 693	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → Rel 𝑟)
42	41	adantr 481	. . . . . . . . . 10 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → Rel 𝑟)
43	37, 8	syl 17	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → (UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)))
44		simplr 792	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → 𝑟 ∈ (UnifSt‘𝑅))
45	29	ad3antrrr 766	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → 𝑥 ∈ (Base‘𝑅))
46		ustimasn 22032	. . . . . . . . . . 11 ⊢ (((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) ∧ 𝑟 ∈ (UnifSt‘𝑅) ∧ 𝑥 ∈ (Base‘𝑅)) → (𝑟 “ {𝑥}) ⊆ (Base‘𝑅))
47	43, 44, 45, 46	syl3anc 1326	. . . . . . . . . 10 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → (𝑟 “ {𝑥}) ⊆ (Base‘𝑅))
48		simpr 477	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
49		simplr 792	. . . . . . . . . . . . . . 15 ⊢ ((((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → 𝑧 ∈ (Base‘𝑅))
50		simpllr 799	. . . . . . . . . . . . . . . . 17 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎)
51	15	ad5antr 770	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → (UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)))
52		simpllr 799	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → 𝑠 ∈ (UnifSt‘𝑆))
53		ustrel 22015	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → Rel 𝑠)
54	51, 52, 53	syl2anc 693	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → Rel 𝑠)
55		elrelimasn 5489	. . . . . . . . . . . . . . . . . . 19 ⊢ (Rel 𝑠 → ((𝐹‘𝑧) ∈ (𝑠 “ {(𝐹‘𝑥)}) ↔ (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
56	54, 55	syl 17	. . . . . . . . . . . . . . . . . 18 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → ((𝐹‘𝑧) ∈ (𝑠 “ {(𝐹‘𝑥)}) ↔ (𝐹‘𝑥)𝑠(𝐹‘𝑧)))
57	56	biimpar 502	. . . . . . . . . . . . . . . . 17 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → (𝐹‘𝑧) ∈ (𝑠 “ {(𝐹‘𝑥)}))
58	50, 57	sseldd 3604	. . . . . . . . . . . . . . . 16 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → (𝐹‘𝑧) ∈ 𝑎)
59	58	adantlr 751	. . . . . . . . . . . . . . 15 ⊢ ((((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → (𝐹‘𝑧) ∈ 𝑎)
60		ffn 6045	. . . . . . . . . . . . . . . . 17 ⊢ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) → 𝐹 Fn (Base‘𝑅))
61		elpreima 6337	. . . . . . . . . . . . . . . . 17 ⊢ (𝐹 Fn (Base‘𝑅) → (𝑧 ∈ (^◡𝐹 “ 𝑎) ↔ (𝑧 ∈ (Base‘𝑅) ∧ (𝐹‘𝑧) ∈ 𝑎)))
62	19, 60, 61	3syl 18	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑧 ∈ (^◡𝐹 “ 𝑎) ↔ (𝑧 ∈ (Base‘𝑅) ∧ (𝐹‘𝑧) ∈ 𝑎)))
63	62	ad7antr 774	. . . . . . . . . . . . . . 15 ⊢ ((((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → (𝑧 ∈ (^◡𝐹 “ 𝑎) ↔ (𝑧 ∈ (Base‘𝑅) ∧ (𝐹‘𝑧) ∈ 𝑎)))
64	49, 59, 63	mpbir2and 957	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → 𝑧 ∈ (^◡𝐹 “ 𝑎))
65	64	ex 450	. . . . . . . . . . . . 13 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) → ((𝐹‘𝑥)𝑠(𝐹‘𝑧) → 𝑧 ∈ (^◡𝐹 “ 𝑎)))
66	65	ralrimiva 2966	. . . . . . . . . . . 12 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → ∀𝑧 ∈ (Base‘𝑅)((𝐹‘𝑥)𝑠(𝐹‘𝑧) → 𝑧 ∈ (^◡𝐹 “ 𝑎)))
67	66	adantr 481	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → ∀𝑧 ∈ (Base‘𝑅)((𝐹‘𝑥)𝑠(𝐹‘𝑧) → 𝑧 ∈ (^◡𝐹 “ 𝑎)))
68		r19.26 3064	. . . . . . . . . . . 12 ⊢ (∀𝑧 ∈ (Base‘𝑅)((𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)) ∧ ((𝐹‘𝑥)𝑠(𝐹‘𝑧) → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ↔ (∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)) ∧ ∀𝑧 ∈ (Base‘𝑅)((𝐹‘𝑥)𝑠(𝐹‘𝑧) → 𝑧 ∈ (^◡𝐹 “ 𝑎))))
69		pm3.33 609	. . . . . . . . . . . . 13 ⊢ (((𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)) ∧ ((𝐹‘𝑥)𝑠(𝐹‘𝑧) → 𝑧 ∈ (^◡𝐹 “ 𝑎))) → (𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎)))
70	69	ralimi 2952	. . . . . . . . . . . 12 ⊢ (∀𝑧 ∈ (Base‘𝑅)((𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)) ∧ ((𝐹‘𝑥)𝑠(𝐹‘𝑧) → 𝑧 ∈ (^◡𝐹 “ 𝑎))) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎)))
71	68, 70	sylbir 225	. . . . . . . . . . 11 ⊢ ((∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)) ∧ ∀𝑧 ∈ (Base‘𝑅)((𝐹‘𝑥)𝑠(𝐹‘𝑧) → 𝑧 ∈ (^◡𝐹 “ 𝑎))) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎)))
72	48, 67, 71	syl2anc 693	. . . . . . . . . 10 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎)))
73		simpl2l 1114	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → Rel 𝑟)
74		simpr 477	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑦 ∈ (𝑟 “ {𝑥}))
75		elrelimasn 5489	. . . . . . . . . . . . . . 15 ⊢ (Rel 𝑟 → (𝑦 ∈ (𝑟 “ {𝑥}) ↔ 𝑥𝑟𝑦))
76	75	biimpa 501	. . . . . . . . . . . . . 14 ⊢ ((Rel 𝑟 ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑥𝑟𝑦)
77	73, 74, 76	syl2anc 693	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑥𝑟𝑦)
78		simpl2r 1115	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → (𝑟 “ {𝑥}) ⊆ (Base‘𝑅))
79	78, 74	sseldd 3604	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑦 ∈ (Base‘𝑅))
80		simpl3 1066	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎)))
81		breq2 4657	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 = 𝑦 → (𝑥𝑟𝑧 ↔ 𝑥𝑟𝑦))
82		eleq1 2689	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 = 𝑦 → (𝑧 ∈ (^◡𝐹 “ 𝑎) ↔ 𝑦 ∈ (^◡𝐹 “ 𝑎)))
83	81, 82	imbi12d 334	. . . . . . . . . . . . . . 15 ⊢ (𝑧 = 𝑦 → ((𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎)) ↔ (𝑥𝑟𝑦 → 𝑦 ∈ (^◡𝐹 “ 𝑎))))
84	83	rspcv 3305	. . . . . . . . . . . . . 14 ⊢ (𝑦 ∈ (Base‘𝑅) → (∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎)) → (𝑥𝑟𝑦 → 𝑦 ∈ (^◡𝐹 “ 𝑎))))
85	79, 80, 84	sylc 65	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → (𝑥𝑟𝑦 → 𝑦 ∈ (^◡𝐹 “ 𝑎)))
86	77, 85	mpd 15	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑦 ∈ (^◡𝐹 “ 𝑎))
87	86	ex 450	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) → (𝑦 ∈ (𝑟 “ {𝑥}) → 𝑦 ∈ (^◡𝐹 “ 𝑎)))
88	87	ssrdv 3609	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → 𝑧 ∈ (^◡𝐹 “ 𝑎))) → (𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))
89	37, 42, 47, 72, 88	syl121anc 1331	. . . . . . . . 9 ⊢ (((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧))) → (𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))
90	89	ex 450	. . . . . . . 8 ⊢ ((((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → (∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → (𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎)))
91	90	reximdva 3017	. . . . . . 7 ⊢ (((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) → (∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹‘𝑥)𝑠(𝐹‘𝑧)) → ∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎)))
92	36, 91	mpd 15	. . . . . 6 ⊢ (((((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎) → ∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))
93		elpreima 6337	. . . . . . . . . . 11 ⊢ (𝐹 Fn (Base‘𝑅) → (𝑥 ∈ (^◡𝐹 “ 𝑎) ↔ (𝑥 ∈ (Base‘𝑅) ∧ (𝐹‘𝑥) ∈ 𝑎)))
94	19, 60, 93	3syl 18	. . . . . . . . . 10 ⊢ (𝜑 → (𝑥 ∈ (^◡𝐹 “ 𝑎) ↔ (𝑥 ∈ (Base‘𝑅) ∧ (𝐹‘𝑥) ∈ 𝑎)))
95	94	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → (𝑥 ∈ (^◡𝐹 “ 𝑎) ↔ (𝑥 ∈ (Base‘𝑅) ∧ (𝐹‘𝑥) ∈ 𝑎)))
96	95	biimpa 501	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) → (𝑥 ∈ (Base‘𝑅) ∧ (𝐹‘𝑥) ∈ 𝑎))
97	96	simprd 479	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) → (𝐹‘𝑥) ∈ 𝑎)
98		simpr 477	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → 𝑎 ∈ 𝐾)
99	13	simprbi 480	. . . . . . . . . . . . 13 ⊢ (𝑆 ∈ UnifSp → 𝐾 = (unifTop‘(UnifSt‘𝑆)))
100	9, 99	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐾 = (unifTop‘(UnifSt‘𝑆)))
101	100	adantr 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → 𝐾 = (unifTop‘(UnifSt‘𝑆)))
102	98, 101	eleqtrd 2703	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → 𝑎 ∈ (unifTop‘(UnifSt‘𝑆)))
103		elutop 22037	. . . . . . . . . . . 12 ⊢ ((UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)) → (𝑎 ∈ (unifTop‘(UnifSt‘𝑆)) ↔ (𝑎 ⊆ (Base‘𝑆) ∧ ∀𝑦 ∈ 𝑎 ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)))
104	15, 103	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑎 ∈ (unifTop‘(UnifSt‘𝑆)) ↔ (𝑎 ⊆ (Base‘𝑆) ∧ ∀𝑦 ∈ 𝑎 ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)))
105	104	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → (𝑎 ∈ (unifTop‘(UnifSt‘𝑆)) ↔ (𝑎 ⊆ (Base‘𝑆) ∧ ∀𝑦 ∈ 𝑎 ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)))
106	102, 105	mpbid 222	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → (𝑎 ⊆ (Base‘𝑆) ∧ ∀𝑦 ∈ 𝑎 ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎))
107	106	simprd 479	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → ∀𝑦 ∈ 𝑎 ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)
108	107	adantr 481	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) → ∀𝑦 ∈ 𝑎 ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)
109		sneq 4187	. . . . . . . . . . 11 ⊢ (𝑦 = (𝐹‘𝑥) → {𝑦} = {(𝐹‘𝑥)})
110	109	imaeq2d 5466	. . . . . . . . . 10 ⊢ (𝑦 = (𝐹‘𝑥) → (𝑠 “ {𝑦}) = (𝑠 “ {(𝐹‘𝑥)}))
111	110	sseq1d 3632	. . . . . . . . 9 ⊢ (𝑦 = (𝐹‘𝑥) → ((𝑠 “ {𝑦}) ⊆ 𝑎 ↔ (𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎))
112	111	rexbidv 3052	. . . . . . . 8 ⊢ (𝑦 = (𝐹‘𝑥) → (∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎 ↔ ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎))
113	112	rspcv 3305	. . . . . . 7 ⊢ ((𝐹‘𝑥) ∈ 𝑎 → (∀𝑦 ∈ 𝑎 ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎 → ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎))
114	97, 108, 113	sylc 65	. . . . . 6 ⊢ (((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) → ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {(𝐹‘𝑥)}) ⊆ 𝑎)
115	92, 114	r19.29a 3078	. . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ 𝐾) ∧ 𝑥 ∈ (^◡𝐹 “ 𝑎)) → ∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))
116	115	ralrimiva 2966	. . . 4 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → ∀𝑥 ∈ (^◡𝐹 “ 𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))
117	6	simprbi 480	. . . . . . . 8 ⊢ (𝑅 ∈ UnifSp → 𝐽 = (unifTop‘(UnifSt‘𝑅)))
118	2, 117	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐽 = (unifTop‘(UnifSt‘𝑅)))
119	118	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → 𝐽 = (unifTop‘(UnifSt‘𝑅)))
120	119	eleq2d 2687	. . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → ((^◡𝐹 “ 𝑎) ∈ 𝐽 ↔ (^◡𝐹 “ 𝑎) ∈ (unifTop‘(UnifSt‘𝑅))))
121		elutop 22037	. . . . . . 7 ⊢ ((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) → ((^◡𝐹 “ 𝑎) ∈ (unifTop‘(UnifSt‘𝑅)) ↔ ((^◡𝐹 “ 𝑎) ⊆ (Base‘𝑅) ∧ ∀𝑥 ∈ (^◡𝐹 “ 𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))))
122	8, 121	syl 17	. . . . . 6 ⊢ (𝜑 → ((^◡𝐹 “ 𝑎) ∈ (unifTop‘(UnifSt‘𝑅)) ↔ ((^◡𝐹 “ 𝑎) ⊆ (Base‘𝑅) ∧ ∀𝑥 ∈ (^◡𝐹 “ 𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))))
123	122	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → ((^◡𝐹 “ 𝑎) ∈ (unifTop‘(UnifSt‘𝑅)) ↔ ((^◡𝐹 “ 𝑎) ⊆ (Base‘𝑅) ∧ ∀𝑥 ∈ (^◡𝐹 “ 𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))))
124	120, 123	bitrd 268	. . . 4 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → ((^◡𝐹 “ 𝑎) ∈ 𝐽 ↔ ((^◡𝐹 “ 𝑎) ⊆ (Base‘𝑅) ∧ ∀𝑥 ∈ (^◡𝐹 “ 𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (^◡𝐹 “ 𝑎))))
125	24, 116, 124	mpbir2and 957	. . 3 ⊢ ((𝜑 ∧ 𝑎 ∈ 𝐾) → (^◡𝐹 “ 𝑎) ∈ 𝐽)
126	125	ralrimiva 2966	. 2 ⊢ (𝜑 → ∀𝑎 ∈ 𝐾 (^◡𝐹 “ 𝑎) ∈ 𝐽)
127		ucncn.3	. . . 4 ⊢ (𝜑 → 𝑅 ∈ TopSp)
128	3, 5	istps 20738	. . . 4 ⊢ (𝑅 ∈ TopSp ↔ 𝐽 ∈ (TopOn‘(Base‘𝑅)))
129	127, 128	sylib 208	. . 3 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘(Base‘𝑅)))
130		ucncn.4	. . . 4 ⊢ (𝜑 → 𝑆 ∈ TopSp)
131	10, 12	istps 20738	. . . 4 ⊢ (𝑆 ∈ TopSp ↔ 𝐾 ∈ (TopOn‘(Base‘𝑆)))
132	130, 131	sylib 208	. . 3 ⊢ (𝜑 → 𝐾 ∈ (TopOn‘(Base‘𝑆)))
133		iscn 21039	. . 3 ⊢ ((𝐽 ∈ (TopOn‘(Base‘𝑅)) ∧ 𝐾 ∈ (TopOn‘(Base‘𝑆))) → (𝐹 ∈ (𝐽 Cn 𝐾) ↔ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑎 ∈ 𝐾 (^◡𝐹 “ 𝑎) ∈ 𝐽)))
134	129, 132, 133	syl2anc 693	. 2 ⊢ (𝜑 → (𝐹 ∈ (𝐽 Cn 𝐾) ↔ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑎 ∈ 𝐾 (^◡𝐹 “ 𝑎) ∈ 𝐽)))
135	19, 126, 134	mpbir2and 957	1 ⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 196 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∈ wcel 1990 ∀wral 2912 ∃wrex 2913 ⊆ wss 3574 {csn 4177 class class class wbr 4653 ^◡ccnv 5113 dom cdm 5114 “ cima 5117 Rel wrel 5119 Fn wfn 5883 ⟶wf 5884 ‘cfv 5888 (class class class)co 6650 Basecbs 15857 TopOpenctopn 16082 TopOnctopon 20715 TopSpctps 20736 Cn ccn 21028 UnifOncust 22003 unifTopcutop 22034 UnifStcuss 22057 UnifSpcusp 22058 Cn_ucucn 22079

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949

This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-map 7859 df-top 20699 df-topon 20716 df-topsp 20737 df-cn 21031 df-ust 22004 df-utop 22035 df-usp 22061 df-ucn 22080

This theorem is referenced by: (None)

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