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Theorem ucncn 22417
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 (𝜑𝑅 ∈ UnifSp)
ucncn.2 (𝜑𝑆 ∈ UnifSp)
ucncn.3 (𝜑𝑅 ∈ TopSp)
ucncn.4 (𝜑𝑆 ∈ TopSp)
ucncn.5 (𝜑𝐹 ∈ ((UnifSt‘𝑅) Cnu(UnifSt‘𝑆)))
Assertion
Ref Expression
ucncn (𝜑𝐹 ∈ (𝐽 Cn 𝐾))

Proof of Theorem ucncn
Dummy variables 𝑟 𝑎 𝑠 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 ucncn.5 . . . 4 (𝜑𝐹 ∈ ((UnifSt‘𝑅) Cnu(UnifSt‘𝑆)))
2 ucncn.1 . . . . . 6 (𝜑𝑅 ∈ UnifSp)
3 eqid 2799 . . . . . . . 8 (Base‘𝑅) = (Base‘𝑅)
4 eqid 2799 . . . . . . . 8 (UnifSt‘𝑅) = (UnifSt‘𝑅)
5 ucncn.j . . . . . . . 8 𝐽 = (TopOpen‘𝑅)
63, 4, 5isusp 22393 . . . . . . 7 (𝑅 ∈ UnifSp ↔ ((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) ∧ 𝐽 = (unifTop‘(UnifSt‘𝑅))))
76simplbi 492 . . . . . 6 (𝑅 ∈ UnifSp → (UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)))
82, 7syl 17 . . . . 5 (𝜑 → (UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)))
9 ucncn.2 . . . . . 6 (𝜑𝑆 ∈ UnifSp)
10 eqid 2799 . . . . . . . 8 (Base‘𝑆) = (Base‘𝑆)
11 eqid 2799 . . . . . . . 8 (UnifSt‘𝑆) = (UnifSt‘𝑆)
12 ucncn.k . . . . . . . 8 𝐾 = (TopOpen‘𝑆)
1310, 11, 12isusp 22393 . . . . . . 7 (𝑆 ∈ UnifSp ↔ ((UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)) ∧ 𝐾 = (unifTop‘(UnifSt‘𝑆))))
1413simplbi 492 . . . . . 6 (𝑆 ∈ UnifSp → (UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)))
159, 14syl 17 . . . . 5 (𝜑 → (UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)))
16 isucn 22410 . . . . 5 (((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) ∧ (UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆))) → (𝐹 ∈ ((UnifSt‘𝑅) Cnu(UnifSt‘𝑆)) ↔ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑠 ∈ (UnifSt‘𝑆)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))))
178, 15, 16syl2anc 580 . . . 4 (𝜑 → (𝐹 ∈ ((UnifSt‘𝑅) Cnu(UnifSt‘𝑆)) ↔ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑠 ∈ (UnifSt‘𝑆)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))))
181, 17mpbid 224 . . 3 (𝜑 → (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑠 ∈ (UnifSt‘𝑆)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))))
1918simpld 489 . 2 (𝜑𝐹:(Base‘𝑅)⟶(Base‘𝑆))
20 cnvimass 5702 . . . . 5 (𝐹𝑎) ⊆ dom 𝐹
2119fdmd 6265 . . . . . 6 (𝜑 → dom 𝐹 = (Base‘𝑅))
2221adantr 473 . . . . 5 ((𝜑𝑎𝐾) → dom 𝐹 = (Base‘𝑅))
2320, 22syl5sseq 3849 . . . 4 ((𝜑𝑎𝐾) → (𝐹𝑎) ⊆ (Base‘𝑅))
24 simplll 792 . . . . . . . . 9 ((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → 𝜑)
25 simpr 478 . . . . . . . . 9 ((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → 𝑠 ∈ (UnifSt‘𝑆))
2623ad2antrr 718 . . . . . . . . . 10 ((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → (𝐹𝑎) ⊆ (Base‘𝑅))
27 simplr 786 . . . . . . . . . 10 ((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → 𝑥 ∈ (𝐹𝑎))
2826, 27sseldd 3799 . . . . . . . . 9 ((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → 𝑥 ∈ (Base‘𝑅))
2918simprd 490 . . . . . . . . . . . 12 (𝜑 → ∀𝑠 ∈ (UnifSt‘𝑆)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))
3029r19.21bi 3113 . . . . . . . . . . 11 ((𝜑𝑠 ∈ (UnifSt‘𝑆)) → ∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))
31 r19.12 3244 . . . . . . . . . . 11 (∃𝑟 ∈ (UnifSt‘𝑅)∀𝑥 ∈ (Base‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)) → ∀𝑥 ∈ (Base‘𝑅)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))
3230, 31syl 17 . . . . . . . . . 10 ((𝜑𝑠 ∈ (UnifSt‘𝑆)) → ∀𝑥 ∈ (Base‘𝑅)∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))
3332r19.21bi 3113 . . . . . . . . 9 (((𝜑𝑠 ∈ (UnifSt‘𝑆)) ∧ 𝑥 ∈ (Base‘𝑅)) → ∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))
3424, 25, 28, 33syl21anc 867 . . . . . . . 8 ((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → ∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))
3534adantr 473 . . . . . . 7 (((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) → ∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))
3624ad3antrrr 722 . . . . . . . . . 10 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → 𝜑)
378ad5antr 729 . . . . . . . . . . . 12 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → (UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)))
38 simpr 478 . . . . . . . . . . . 12 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → 𝑟 ∈ (UnifSt‘𝑅))
39 ustrel 22343 . . . . . . . . . . . 12 (((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → Rel 𝑟)
4037, 38, 39syl2anc 580 . . . . . . . . . . 11 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → Rel 𝑟)
4140adantr 473 . . . . . . . . . 10 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → Rel 𝑟)
4236, 8syl 17 . . . . . . . . . . 11 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → (UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)))
43 simplr 786 . . . . . . . . . . 11 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → 𝑟 ∈ (UnifSt‘𝑅))
4428ad3antrrr 722 . . . . . . . . . . 11 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → 𝑥 ∈ (Base‘𝑅))
45 ustimasn 22360 . . . . . . . . . . 11 (((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) ∧ 𝑟 ∈ (UnifSt‘𝑅) ∧ 𝑥 ∈ (Base‘𝑅)) → (𝑟 “ {𝑥}) ⊆ (Base‘𝑅))
4642, 43, 44, 45syl3anc 1491 . . . . . . . . . 10 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → (𝑟 “ {𝑥}) ⊆ (Base‘𝑅))
47 simpr 478 . . . . . . . . . . 11 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)))
48 simplr 786 . . . . . . . . . . . . . . 15 ((((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑥)𝑠(𝐹𝑧)) → 𝑧 ∈ (Base‘𝑅))
49 simpllr 794 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ (𝐹𝑥)𝑠(𝐹𝑧)) → (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎)
5015ad5antr 729 . . . . . . . . . . . . . . . . . . . 20 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → (UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)))
51 simpllr 794 . . . . . . . . . . . . . . . . . . . 20 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → 𝑠 ∈ (UnifSt‘𝑆))
52 ustrel 22343 . . . . . . . . . . . . . . . . . . . 20 (((UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) → Rel 𝑠)
5350, 51, 52syl2anc 580 . . . . . . . . . . . . . . . . . . 19 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → Rel 𝑠)
54 elrelimasn 5706 . . . . . . . . . . . . . . . . . . 19 (Rel 𝑠 → ((𝐹𝑧) ∈ (𝑠 “ {(𝐹𝑥)}) ↔ (𝐹𝑥)𝑠(𝐹𝑧)))
5553, 54syl 17 . . . . . . . . . . . . . . . . . 18 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → ((𝐹𝑧) ∈ (𝑠 “ {(𝐹𝑥)}) ↔ (𝐹𝑥)𝑠(𝐹𝑧)))
5655biimpar 470 . . . . . . . . . . . . . . . . 17 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ (𝐹𝑥)𝑠(𝐹𝑧)) → (𝐹𝑧) ∈ (𝑠 “ {(𝐹𝑥)}))
5749, 56sseldd 3799 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ (𝐹𝑥)𝑠(𝐹𝑧)) → (𝐹𝑧) ∈ 𝑎)
5857adantlr 707 . . . . . . . . . . . . . . 15 ((((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑥)𝑠(𝐹𝑧)) → (𝐹𝑧) ∈ 𝑎)
59 ffn 6256 . . . . . . . . . . . . . . . . 17 (𝐹:(Base‘𝑅)⟶(Base‘𝑆) → 𝐹 Fn (Base‘𝑅))
60 elpreima 6563 . . . . . . . . . . . . . . . . 17 (𝐹 Fn (Base‘𝑅) → (𝑧 ∈ (𝐹𝑎) ↔ (𝑧 ∈ (Base‘𝑅) ∧ (𝐹𝑧) ∈ 𝑎)))
6119, 59, 603syl 18 . . . . . . . . . . . . . . . 16 (𝜑 → (𝑧 ∈ (𝐹𝑎) ↔ (𝑧 ∈ (Base‘𝑅) ∧ (𝐹𝑧) ∈ 𝑎)))
6261ad7antr 737 . . . . . . . . . . . . . . 15 ((((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑥)𝑠(𝐹𝑧)) → (𝑧 ∈ (𝐹𝑎) ↔ (𝑧 ∈ (Base‘𝑅) ∧ (𝐹𝑧) ∈ 𝑎)))
6348, 58, 62mpbir2and 705 . . . . . . . . . . . . . 14 ((((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) ∧ (𝐹𝑥)𝑠(𝐹𝑧)) → 𝑧 ∈ (𝐹𝑎))
6463ex 402 . . . . . . . . . . . . 13 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ 𝑧 ∈ (Base‘𝑅)) → ((𝐹𝑥)𝑠(𝐹𝑧) → 𝑧 ∈ (𝐹𝑎)))
6564ralrimiva 3147 . . . . . . . . . . . 12 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → ∀𝑧 ∈ (Base‘𝑅)((𝐹𝑥)𝑠(𝐹𝑧) → 𝑧 ∈ (𝐹𝑎)))
6665adantr 473 . . . . . . . . . . 11 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → ∀𝑧 ∈ (Base‘𝑅)((𝐹𝑥)𝑠(𝐹𝑧) → 𝑧 ∈ (𝐹𝑎)))
67 r19.26 3245 . . . . . . . . . . . 12 (∀𝑧 ∈ (Base‘𝑅)((𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)) ∧ ((𝐹𝑥)𝑠(𝐹𝑧) → 𝑧 ∈ (𝐹𝑎))) ↔ (∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)) ∧ ∀𝑧 ∈ (Base‘𝑅)((𝐹𝑥)𝑠(𝐹𝑧) → 𝑧 ∈ (𝐹𝑎))))
68 pm3.33 782 . . . . . . . . . . . . 13 (((𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)) ∧ ((𝐹𝑥)𝑠(𝐹𝑧) → 𝑧 ∈ (𝐹𝑎))) → (𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎)))
6968ralimi 3133 . . . . . . . . . . . 12 (∀𝑧 ∈ (Base‘𝑅)((𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)) ∧ ((𝐹𝑥)𝑠(𝐹𝑧) → 𝑧 ∈ (𝐹𝑎))) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎)))
7067, 69sylbir 227 . . . . . . . . . . 11 ((∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)) ∧ ∀𝑧 ∈ (Base‘𝑅)((𝐹𝑥)𝑠(𝐹𝑧) → 𝑧 ∈ (𝐹𝑎))) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎)))
7147, 66, 70syl2anc 580 . . . . . . . . . 10 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎)))
72 simpl2l 1298 . . . . . . . . . . . . . 14 (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → Rel 𝑟)
73 simpr 478 . . . . . . . . . . . . . 14 (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑦 ∈ (𝑟 “ {𝑥}))
74 elrelimasn 5706 . . . . . . . . . . . . . . 15 (Rel 𝑟 → (𝑦 ∈ (𝑟 “ {𝑥}) ↔ 𝑥𝑟𝑦))
7574biimpa 469 . . . . . . . . . . . . . 14 ((Rel 𝑟𝑦 ∈ (𝑟 “ {𝑥})) → 𝑥𝑟𝑦)
7672, 73, 75syl2anc 580 . . . . . . . . . . . . 13 (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑥𝑟𝑦)
77 breq2 4847 . . . . . . . . . . . . . . 15 (𝑧 = 𝑦 → (𝑥𝑟𝑧𝑥𝑟𝑦))
78 eleq1w 2861 . . . . . . . . . . . . . . 15 (𝑧 = 𝑦 → (𝑧 ∈ (𝐹𝑎) ↔ 𝑦 ∈ (𝐹𝑎)))
7977, 78imbi12d 336 . . . . . . . . . . . . . 14 (𝑧 = 𝑦 → ((𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎)) ↔ (𝑥𝑟𝑦𝑦 ∈ (𝐹𝑎))))
80 simpl3 1247 . . . . . . . . . . . . . 14 (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎)))
81 simpl2r 1300 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → (𝑟 “ {𝑥}) ⊆ (Base‘𝑅))
8281, 73sseldd 3799 . . . . . . . . . . . . . 14 (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑦 ∈ (Base‘𝑅))
8379, 80, 82rspcdva 3503 . . . . . . . . . . . . 13 (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → (𝑥𝑟𝑦𝑦 ∈ (𝐹𝑎)))
8476, 83mpd 15 . . . . . . . . . . . 12 (((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) ∧ 𝑦 ∈ (𝑟 “ {𝑥})) → 𝑦 ∈ (𝐹𝑎))
8584ex 402 . . . . . . . . . . 11 ((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) → (𝑦 ∈ (𝑟 “ {𝑥}) → 𝑦 ∈ (𝐹𝑎)))
8685ssrdv 3804 . . . . . . . . . 10 ((𝜑 ∧ (Rel 𝑟 ∧ (𝑟 “ {𝑥}) ⊆ (Base‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧𝑧 ∈ (𝐹𝑎))) → (𝑟 “ {𝑥}) ⊆ (𝐹𝑎))
8736, 41, 46, 71, 86syl121anc 1495 . . . . . . . . 9 (((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) ∧ ∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧))) → (𝑟 “ {𝑥}) ⊆ (𝐹𝑎))
8887ex 402 . . . . . . . 8 ((((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) ∧ 𝑟 ∈ (UnifSt‘𝑅)) → (∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)) → (𝑟 “ {𝑥}) ⊆ (𝐹𝑎)))
8988reximdva 3197 . . . . . . 7 (((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) → (∃𝑟 ∈ (UnifSt‘𝑅)∀𝑧 ∈ (Base‘𝑅)(𝑥𝑟𝑧 → (𝐹𝑥)𝑠(𝐹𝑧)) → ∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (𝐹𝑎)))
9035, 89mpd 15 . . . . . 6 (((((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) ∧ 𝑠 ∈ (UnifSt‘𝑆)) ∧ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎) → ∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (𝐹𝑎))
91 sneq 4378 . . . . . . . . . 10 (𝑦 = (𝐹𝑥) → {𝑦} = {(𝐹𝑥)})
9291imaeq2d 5683 . . . . . . . . 9 (𝑦 = (𝐹𝑥) → (𝑠 “ {𝑦}) = (𝑠 “ {(𝐹𝑥)}))
9392sseq1d 3828 . . . . . . . 8 (𝑦 = (𝐹𝑥) → ((𝑠 “ {𝑦}) ⊆ 𝑎 ↔ (𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎))
9493rexbidv 3233 . . . . . . 7 (𝑦 = (𝐹𝑥) → (∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎 ↔ ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎))
95 simpr 478 . . . . . . . . . . 11 ((𝜑𝑎𝐾) → 𝑎𝐾)
9613simprbi 491 . . . . . . . . . . . . 13 (𝑆 ∈ UnifSp → 𝐾 = (unifTop‘(UnifSt‘𝑆)))
979, 96syl 17 . . . . . . . . . . . 12 (𝜑𝐾 = (unifTop‘(UnifSt‘𝑆)))
9897adantr 473 . . . . . . . . . . 11 ((𝜑𝑎𝐾) → 𝐾 = (unifTop‘(UnifSt‘𝑆)))
9995, 98eleqtrd 2880 . . . . . . . . . 10 ((𝜑𝑎𝐾) → 𝑎 ∈ (unifTop‘(UnifSt‘𝑆)))
100 elutop 22365 . . . . . . . . . . . 12 ((UnifSt‘𝑆) ∈ (UnifOn‘(Base‘𝑆)) → (𝑎 ∈ (unifTop‘(UnifSt‘𝑆)) ↔ (𝑎 ⊆ (Base‘𝑆) ∧ ∀𝑦𝑎𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)))
10115, 100syl 17 . . . . . . . . . . 11 (𝜑 → (𝑎 ∈ (unifTop‘(UnifSt‘𝑆)) ↔ (𝑎 ⊆ (Base‘𝑆) ∧ ∀𝑦𝑎𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)))
102101adantr 473 . . . . . . . . . 10 ((𝜑𝑎𝐾) → (𝑎 ∈ (unifTop‘(UnifSt‘𝑆)) ↔ (𝑎 ⊆ (Base‘𝑆) ∧ ∀𝑦𝑎𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)))
10399, 102mpbid 224 . . . . . . . . 9 ((𝜑𝑎𝐾) → (𝑎 ⊆ (Base‘𝑆) ∧ ∀𝑦𝑎𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎))
104103simprd 490 . . . . . . . 8 ((𝜑𝑎𝐾) → ∀𝑦𝑎𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)
105104adantr 473 . . . . . . 7 (((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) → ∀𝑦𝑎𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {𝑦}) ⊆ 𝑎)
106 elpreima 6563 . . . . . . . . . . 11 (𝐹 Fn (Base‘𝑅) → (𝑥 ∈ (𝐹𝑎) ↔ (𝑥 ∈ (Base‘𝑅) ∧ (𝐹𝑥) ∈ 𝑎)))
10719, 59, 1063syl 18 . . . . . . . . . 10 (𝜑 → (𝑥 ∈ (𝐹𝑎) ↔ (𝑥 ∈ (Base‘𝑅) ∧ (𝐹𝑥) ∈ 𝑎)))
108107adantr 473 . . . . . . . . 9 ((𝜑𝑎𝐾) → (𝑥 ∈ (𝐹𝑎) ↔ (𝑥 ∈ (Base‘𝑅) ∧ (𝐹𝑥) ∈ 𝑎)))
109108biimpa 469 . . . . . . . 8 (((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) → (𝑥 ∈ (Base‘𝑅) ∧ (𝐹𝑥) ∈ 𝑎))
110109simprd 490 . . . . . . 7 (((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) → (𝐹𝑥) ∈ 𝑎)
11194, 105, 110rspcdva 3503 . . . . . 6 (((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) → ∃𝑠 ∈ (UnifSt‘𝑆)(𝑠 “ {(𝐹𝑥)}) ⊆ 𝑎)
11290, 111r19.29a 3259 . . . . 5 (((𝜑𝑎𝐾) ∧ 𝑥 ∈ (𝐹𝑎)) → ∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (𝐹𝑎))
113112ralrimiva 3147 . . . 4 ((𝜑𝑎𝐾) → ∀𝑥 ∈ (𝐹𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (𝐹𝑎))
1146simprbi 491 . . . . . . . 8 (𝑅 ∈ UnifSp → 𝐽 = (unifTop‘(UnifSt‘𝑅)))
1152, 114syl 17 . . . . . . 7 (𝜑𝐽 = (unifTop‘(UnifSt‘𝑅)))
116115adantr 473 . . . . . 6 ((𝜑𝑎𝐾) → 𝐽 = (unifTop‘(UnifSt‘𝑅)))
117116eleq2d 2864 . . . . 5 ((𝜑𝑎𝐾) → ((𝐹𝑎) ∈ 𝐽 ↔ (𝐹𝑎) ∈ (unifTop‘(UnifSt‘𝑅))))
118 elutop 22365 . . . . . . 7 ((UnifSt‘𝑅) ∈ (UnifOn‘(Base‘𝑅)) → ((𝐹𝑎) ∈ (unifTop‘(UnifSt‘𝑅)) ↔ ((𝐹𝑎) ⊆ (Base‘𝑅) ∧ ∀𝑥 ∈ (𝐹𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (𝐹𝑎))))
1198, 118syl 17 . . . . . 6 (𝜑 → ((𝐹𝑎) ∈ (unifTop‘(UnifSt‘𝑅)) ↔ ((𝐹𝑎) ⊆ (Base‘𝑅) ∧ ∀𝑥 ∈ (𝐹𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (𝐹𝑎))))
120119adantr 473 . . . . 5 ((𝜑𝑎𝐾) → ((𝐹𝑎) ∈ (unifTop‘(UnifSt‘𝑅)) ↔ ((𝐹𝑎) ⊆ (Base‘𝑅) ∧ ∀𝑥 ∈ (𝐹𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (𝐹𝑎))))
121117, 120bitrd 271 . . . 4 ((𝜑𝑎𝐾) → ((𝐹𝑎) ∈ 𝐽 ↔ ((𝐹𝑎) ⊆ (Base‘𝑅) ∧ ∀𝑥 ∈ (𝐹𝑎)∃𝑟 ∈ (UnifSt‘𝑅)(𝑟 “ {𝑥}) ⊆ (𝐹𝑎))))
12223, 113, 121mpbir2and 705 . . 3 ((𝜑𝑎𝐾) → (𝐹𝑎) ∈ 𝐽)
123122ralrimiva 3147 . 2 (𝜑 → ∀𝑎𝐾 (𝐹𝑎) ∈ 𝐽)
124 ucncn.3 . . . 4 (𝜑𝑅 ∈ TopSp)
1253, 5istps 21067 . . . 4 (𝑅 ∈ TopSp ↔ 𝐽 ∈ (TopOn‘(Base‘𝑅)))
126124, 125sylib 210 . . 3 (𝜑𝐽 ∈ (TopOn‘(Base‘𝑅)))
127 ucncn.4 . . . 4 (𝜑𝑆 ∈ TopSp)
12810, 12istps 21067 . . . 4 (𝑆 ∈ TopSp ↔ 𝐾 ∈ (TopOn‘(Base‘𝑆)))
129127, 128sylib 210 . . 3 (𝜑𝐾 ∈ (TopOn‘(Base‘𝑆)))
130 iscn 21368 . . 3 ((𝐽 ∈ (TopOn‘(Base‘𝑅)) ∧ 𝐾 ∈ (TopOn‘(Base‘𝑆))) → (𝐹 ∈ (𝐽 Cn 𝐾) ↔ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑎𝐾 (𝐹𝑎) ∈ 𝐽)))
131126, 129, 130syl2anc 580 . 2 (𝜑 → (𝐹 ∈ (𝐽 Cn 𝐾) ↔ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ ∀𝑎𝐾 (𝐹𝑎) ∈ 𝐽)))
13219, 123, 131mpbir2and 705 1 (𝜑𝐹 ∈ (𝐽 Cn 𝐾))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 198  wa 385  w3a 1108   = wceq 1653  wcel 2157  wral 3089  wrex 3090  wss 3769  {csn 4368   class class class wbr 4843  ccnv 5311  dom cdm 5312  cima 5315  Rel wrel 5317   Fn wfn 6096  wf 6097  cfv 6101  (class class class)co 6878  Basecbs 16184  TopOpenctopn 16397  TopOnctopon 21043  TopSpctps 21065   Cn ccn 21357  UnifOncust 22331  unifTopcutop 22362  UnifStcuss 22385  UnifSpcusp 22386   Cnucucn 22407
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1891  ax-4 1905  ax-5 2006  ax-6 2072  ax-7 2107  ax-8 2159  ax-9 2166  ax-10 2185  ax-11 2200  ax-12 2213  ax-13 2377  ax-ext 2777  ax-sep 4975  ax-nul 4983  ax-pow 5035  ax-pr 5097  ax-un 7183
This theorem depends on definitions:  df-bi 199  df-an 386  df-or 875  df-3an 1110  df-tru 1657  df-ex 1876  df-nf 1880  df-sb 2065  df-mo 2591  df-eu 2609  df-clab 2786  df-cleq 2792  df-clel 2795  df-nfc 2930  df-ne 2972  df-ral 3094  df-rex 3095  df-rab 3098  df-v 3387  df-sbc 3634  df-csb 3729  df-dif 3772  df-un 3774  df-in 3776  df-ss 3783  df-nul 4116  df-if 4278  df-pw 4351  df-sn 4369  df-pr 4371  df-op 4375  df-uni 4629  df-br 4844  df-opab 4906  df-mpt 4923  df-id 5220  df-xp 5318  df-rel 5319  df-cnv 5320  df-co 5321  df-dm 5322  df-rn 5323  df-res 5324  df-ima 5325  df-iota 6064  df-fun 6103  df-fn 6104  df-f 6105  df-fv 6109  df-ov 6881  df-oprab 6882  df-mpt2 6883  df-map 8097  df-top 21027  df-topon 21044  df-topsp 21066  df-cn 21360  df-ust 22332  df-utop 22363  df-usp 22389  df-ucn 22408
This theorem is referenced by: (None)
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