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Theorem ucnima 22995
 Description: An equivalent statement of the definition of uniformly continuous function. (Contributed by Thierry Arnoux, 19-Nov-2017.)
Hypotheses
Ref Expression
ucnprima.1 (𝜑𝑈 ∈ (UnifOn‘𝑋))
ucnprima.2 (𝜑𝑉 ∈ (UnifOn‘𝑌))
ucnprima.3 (𝜑𝐹 ∈ (𝑈 Cnu𝑉))
ucnprima.4 (𝜑𝑊𝑉)
ucnprima.5 𝐺 = (𝑥𝑋, 𝑦𝑋 ↦ ⟨(𝐹𝑥), (𝐹𝑦)⟩)
Assertion
Ref Expression
ucnima (𝜑 → ∃𝑟𝑈 (𝐺𝑟) ⊆ 𝑊)
Distinct variable groups:   𝑥,𝑦,𝐹   𝑥,𝑋,𝑦,𝑟   𝐹,𝑟   𝑥,𝐺,𝑦   𝑈,𝑟,𝑥,𝑦   𝑉,𝑟,𝑥   𝑊,𝑟,𝑥,𝑦   𝑋,𝑟   𝑌,𝑟,𝑥   𝜑,𝑟,𝑥,𝑦
Allowed substitution hints:   𝐺(𝑟)   𝑉(𝑦)   𝑌(𝑦)

Proof of Theorem ucnima
Dummy variables 𝑝 𝑤 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 breq 5038 . . . . . . . 8 (𝑤 = 𝑊 → ((𝐹𝑥)𝑤(𝐹𝑦) ↔ (𝐹𝑥)𝑊(𝐹𝑦)))
21imbi2d 344 . . . . . . 7 (𝑤 = 𝑊 → ((𝑥𝑟𝑦 → (𝐹𝑥)𝑤(𝐹𝑦)) ↔ (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))))
32ralbidv 3126 . . . . . 6 (𝑤 = 𝑊 → (∀𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑤(𝐹𝑦)) ↔ ∀𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))))
43rexralbidv 3225 . . . . 5 (𝑤 = 𝑊 → (∃𝑟𝑈𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑤(𝐹𝑦)) ↔ ∃𝑟𝑈𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))))
5 ucnprima.3 . . . . . . 7 (𝜑𝐹 ∈ (𝑈 Cnu𝑉))
6 ucnprima.1 . . . . . . . 8 (𝜑𝑈 ∈ (UnifOn‘𝑋))
7 ucnprima.2 . . . . . . . 8 (𝜑𝑉 ∈ (UnifOn‘𝑌))
8 isucn 22992 . . . . . . . 8 ((𝑈 ∈ (UnifOn‘𝑋) ∧ 𝑉 ∈ (UnifOn‘𝑌)) → (𝐹 ∈ (𝑈 Cnu𝑉) ↔ (𝐹:𝑋𝑌 ∧ ∀𝑤𝑉𝑟𝑈𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑤(𝐹𝑦)))))
96, 7, 8syl2anc 587 . . . . . . 7 (𝜑 → (𝐹 ∈ (𝑈 Cnu𝑉) ↔ (𝐹:𝑋𝑌 ∧ ∀𝑤𝑉𝑟𝑈𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑤(𝐹𝑦)))))
105, 9mpbid 235 . . . . . 6 (𝜑 → (𝐹:𝑋𝑌 ∧ ∀𝑤𝑉𝑟𝑈𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑤(𝐹𝑦))))
1110simprd 499 . . . . 5 (𝜑 → ∀𝑤𝑉𝑟𝑈𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑤(𝐹𝑦)))
12 ucnprima.4 . . . . 5 (𝜑𝑊𝑉)
134, 11, 12rspcdva 3545 . . . 4 (𝜑 → ∃𝑟𝑈𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)))
14 simplll 774 . . . . . . . 8 ((((𝜑𝑟𝑈) ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝𝑟) → 𝜑)
15 simplr 768 . . . . . . . 8 ((((𝜑𝑟𝑈) ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝𝑟) → ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)))
16 ustssxp 22918 . . . . . . . . . . 11 ((𝑈 ∈ (UnifOn‘𝑋) ∧ 𝑟𝑈) → 𝑟 ⊆ (𝑋 × 𝑋))
176, 16sylan 583 . . . . . . . . . 10 ((𝜑𝑟𝑈) → 𝑟 ⊆ (𝑋 × 𝑋))
1817sselda 3894 . . . . . . . . 9 (((𝜑𝑟𝑈) ∧ 𝑝𝑟) → 𝑝 ∈ (𝑋 × 𝑋))
1918adantlr 714 . . . . . . . 8 ((((𝜑𝑟𝑈) ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝𝑟) → 𝑝 ∈ (𝑋 × 𝑋))
20 simpr 488 . . . . . . . 8 ((((𝜑𝑟𝑈) ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝𝑟) → 𝑝𝑟)
21 simplr 768 . . . . . . . . . . 11 (((𝜑 ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝 ∈ (𝑋 × 𝑋)) → ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)))
22 simpr 488 . . . . . . . . . . . . . 14 ((𝜑𝑝 ∈ (𝑋 × 𝑋)) → 𝑝 ∈ (𝑋 × 𝑋))
23 elxp2 5552 . . . . . . . . . . . . . 14 (𝑝 ∈ (𝑋 × 𝑋) ↔ ∃𝑥𝑋𝑦𝑋 𝑝 = ⟨𝑥, 𝑦⟩)
2422, 23sylib 221 . . . . . . . . . . . . 13 ((𝜑𝑝 ∈ (𝑋 × 𝑋)) → ∃𝑥𝑋𝑦𝑋 𝑝 = ⟨𝑥, 𝑦⟩)
25 simpr 488 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑝 = ⟨𝑥, 𝑦⟩) → 𝑝 = ⟨𝑥, 𝑦⟩)
2625eleq1d 2836 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑝 = ⟨𝑥, 𝑦⟩) → (𝑝𝑟 ↔ ⟨𝑥, 𝑦⟩ ∈ 𝑟))
2726adantlr 714 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → (𝑝𝑟 ↔ ⟨𝑥, 𝑦⟩ ∈ 𝑟))
28 df-br 5037 . . . . . . . . . . . . . . . . . 18 (𝑥𝑟𝑦 ↔ ⟨𝑥, 𝑦⟩ ∈ 𝑟)
2927, 28bitr4di 292 . . . . . . . . . . . . . . . . 17 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → (𝑝𝑟𝑥𝑟𝑦))
30 simplr 768 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → 𝑝 ∈ (𝑋 × 𝑋))
31 opex 5328 . . . . . . . . . . . . . . . . . . . . 21 ⟨(𝐹‘(1st𝑝)), (𝐹‘(2nd𝑝))⟩ ∈ V
32 ucnprima.5 . . . . . . . . . . . . . . . . . . . . . . 23 𝐺 = (𝑥𝑋, 𝑦𝑋 ↦ ⟨(𝐹𝑥), (𝐹𝑦)⟩)
336, 7, 5, 12, 32ucnimalem 22994 . . . . . . . . . . . . . . . . . . . . . 22 𝐺 = (𝑝 ∈ (𝑋 × 𝑋) ↦ ⟨(𝐹‘(1st𝑝)), (𝐹‘(2nd𝑝))⟩)
3433fvmpt2 6775 . . . . . . . . . . . . . . . . . . . . 21 ((𝑝 ∈ (𝑋 × 𝑋) ∧ ⟨(𝐹‘(1st𝑝)), (𝐹‘(2nd𝑝))⟩ ∈ V) → (𝐺𝑝) = ⟨(𝐹‘(1st𝑝)), (𝐹‘(2nd𝑝))⟩)
3530, 31, 34sylancl 589 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → (𝐺𝑝) = ⟨(𝐹‘(1st𝑝)), (𝐹‘(2nd𝑝))⟩)
36 simpr 488 . . . . . . . . . . . . . . . . . . . . . . . . 25 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → 𝑝 = ⟨𝑥, 𝑦⟩)
37 1st2nd2 7738 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑝 ∈ (𝑋 × 𝑋) → 𝑝 = ⟨(1st𝑝), (2nd𝑝)⟩)
3830, 37syl 17 . . . . . . . . . . . . . . . . . . . . . . . . 25 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → 𝑝 = ⟨(1st𝑝), (2nd𝑝)⟩)
3936, 38eqtr3d 2795 . . . . . . . . . . . . . . . . . . . . . . . 24 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → ⟨𝑥, 𝑦⟩ = ⟨(1st𝑝), (2nd𝑝)⟩)
40 vex 3413 . . . . . . . . . . . . . . . . . . . . . . . . 25 𝑥 ∈ V
41 vex 3413 . . . . . . . . . . . . . . . . . . . . . . . . 25 𝑦 ∈ V
4240, 41opth 5340 . . . . . . . . . . . . . . . . . . . . . . . 24 (⟨𝑥, 𝑦⟩ = ⟨(1st𝑝), (2nd𝑝)⟩ ↔ (𝑥 = (1st𝑝) ∧ 𝑦 = (2nd𝑝)))
4339, 42sylib 221 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → (𝑥 = (1st𝑝) ∧ 𝑦 = (2nd𝑝)))
4443simpld 498 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → 𝑥 = (1st𝑝))
4544fveq2d 6667 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → (𝐹𝑥) = (𝐹‘(1st𝑝)))
4643simprd 499 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → 𝑦 = (2nd𝑝))
4746fveq2d 6667 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → (𝐹𝑦) = (𝐹‘(2nd𝑝)))
4845, 47opeq12d 4774 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → ⟨(𝐹𝑥), (𝐹𝑦)⟩ = ⟨(𝐹‘(1st𝑝)), (𝐹‘(2nd𝑝))⟩)
4935, 48eqtr4d 2796 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → (𝐺𝑝) = ⟨(𝐹𝑥), (𝐹𝑦)⟩)
5049eleq1d 2836 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → ((𝐺𝑝) ∈ 𝑊 ↔ ⟨(𝐹𝑥), (𝐹𝑦)⟩ ∈ 𝑊))
51 df-br 5037 . . . . . . . . . . . . . . . . . 18 ((𝐹𝑥)𝑊(𝐹𝑦) ↔ ⟨(𝐹𝑥), (𝐹𝑦)⟩ ∈ 𝑊)
5250, 51bitr4di 292 . . . . . . . . . . . . . . . . 17 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → ((𝐺𝑝) ∈ 𝑊 ↔ (𝐹𝑥)𝑊(𝐹𝑦)))
5329, 52imbi12d 348 . . . . . . . . . . . . . . . 16 (((𝜑𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝 = ⟨𝑥, 𝑦⟩) → ((𝑝𝑟 → (𝐺𝑝) ∈ 𝑊) ↔ (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))))
5453exbiri 810 . . . . . . . . . . . . . . 15 ((𝜑𝑝 ∈ (𝑋 × 𝑋)) → (𝑝 = ⟨𝑥, 𝑦⟩ → ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))))
5554reximdv 3197 . . . . . . . . . . . . . 14 ((𝜑𝑝 ∈ (𝑋 × 𝑋)) → (∃𝑦𝑋 𝑝 = ⟨𝑥, 𝑦⟩ → ∃𝑦𝑋 ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))))
5655reximdv 3197 . . . . . . . . . . . . 13 ((𝜑𝑝 ∈ (𝑋 × 𝑋)) → (∃𝑥𝑋𝑦𝑋 𝑝 = ⟨𝑥, 𝑦⟩ → ∃𝑥𝑋𝑦𝑋 ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))))
5724, 56mpd 15 . . . . . . . . . . . 12 ((𝜑𝑝 ∈ (𝑋 × 𝑋)) → ∃𝑥𝑋𝑦𝑋 ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊)))
5857adantlr 714 . . . . . . . . . . 11 (((𝜑 ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝 ∈ (𝑋 × 𝑋)) → ∃𝑥𝑋𝑦𝑋 ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊)))
5921, 58r19.29d2r 3256 . . . . . . . . . 10 (((𝜑 ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝 ∈ (𝑋 × 𝑋)) → ∃𝑥𝑋𝑦𝑋 ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) ∧ ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))))
60 pm3.35 802 . . . . . . . . . . . 12 (((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) ∧ ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))
6160rexlimivw 3206 . . . . . . . . . . 11 (∃𝑦𝑋 ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) ∧ ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))
6261rexlimivw 3206 . . . . . . . . . 10 (∃𝑥𝑋𝑦𝑋 ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) ∧ ((𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))
6359, 62syl 17 . . . . . . . . 9 (((𝜑 ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝 ∈ (𝑋 × 𝑋)) → (𝑝𝑟 → (𝐺𝑝) ∈ 𝑊))
6463imp 410 . . . . . . . 8 ((((𝜑 ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝 ∈ (𝑋 × 𝑋)) ∧ 𝑝𝑟) → (𝐺𝑝) ∈ 𝑊)
6514, 15, 19, 20, 64syl1111anc 838 . . . . . . 7 ((((𝜑𝑟𝑈) ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) ∧ 𝑝𝑟) → (𝐺𝑝) ∈ 𝑊)
6665ralrimiva 3113 . . . . . 6 (((𝜑𝑟𝑈) ∧ ∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦))) → ∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊)
6766ex 416 . . . . 5 ((𝜑𝑟𝑈) → (∀𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → ∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊))
6867reximdva 3198 . . . 4 (𝜑 → (∃𝑟𝑈𝑥𝑋𝑦𝑋 (𝑥𝑟𝑦 → (𝐹𝑥)𝑊(𝐹𝑦)) → ∃𝑟𝑈𝑝𝑟 (𝐺𝑝) ∈ 𝑊))
6913, 68mpd 15 . . 3 (𝜑 → ∃𝑟𝑈𝑝𝑟 (𝐺𝑝) ∈ 𝑊)
7032mpofun 7276 . . . . . 6 Fun 𝐺
71 opex 5328 . . . . . . . 8 ⟨(𝐹𝑥), (𝐹𝑦)⟩ ∈ V
7232, 71dmmpo 7779 . . . . . . 7 dom 𝐺 = (𝑋 × 𝑋)
7317, 72sseqtrrdi 3945 . . . . . 6 ((𝜑𝑟𝑈) → 𝑟 ⊆ dom 𝐺)
74 funimass4 6723 . . . . . 6 ((Fun 𝐺𝑟 ⊆ dom 𝐺) → ((𝐺𝑟) ⊆ 𝑊 ↔ ∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊))
7570, 73, 74sylancr 590 . . . . 5 ((𝜑𝑟𝑈) → ((𝐺𝑟) ⊆ 𝑊 ↔ ∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊))
7675biimprd 251 . . . 4 ((𝜑𝑟𝑈) → (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 → (𝐺𝑟) ⊆ 𝑊))
7776ralrimiva 3113 . . 3 (𝜑 → ∀𝑟𝑈 (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 → (𝐺𝑟) ⊆ 𝑊))
78 r19.29r 3182 . . 3 ((∃𝑟𝑈𝑝𝑟 (𝐺𝑝) ∈ 𝑊 ∧ ∀𝑟𝑈 (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 → (𝐺𝑟) ⊆ 𝑊)) → ∃𝑟𝑈 (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 ∧ (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 → (𝐺𝑟) ⊆ 𝑊)))
7969, 77, 78syl2anc 587 . 2 (𝜑 → ∃𝑟𝑈 (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 ∧ (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 → (𝐺𝑟) ⊆ 𝑊)))
80 pm3.35 802 . . 3 ((∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 ∧ (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 → (𝐺𝑟) ⊆ 𝑊)) → (𝐺𝑟) ⊆ 𝑊)
8180reximi 3171 . 2 (∃𝑟𝑈 (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 ∧ (∀𝑝𝑟 (𝐺𝑝) ∈ 𝑊 → (𝐺𝑟) ⊆ 𝑊)) → ∃𝑟𝑈 (𝐺𝑟) ⊆ 𝑊)
8279, 81syl 17 1 (𝜑 → ∃𝑟𝑈 (𝐺𝑟) ⊆ 𝑊)
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 209   ∧ wa 399   = wceq 1538   ∈ wcel 2111  ∀wral 3070  ∃wrex 3071  Vcvv 3409   ⊆ wss 3860  ⟨cop 4531   class class class wbr 5036   × cxp 5526  dom cdm 5528   “ cima 5531  Fun wfun 6334  ⟶wf 6336  ‘cfv 6340  (class class class)co 7156   ∈ cmpo 7158  1st c1st 7697  2nd c2nd 7698  UnifOncust 22913   Cnucucn 22989 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 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2729  ax-sep 5173  ax-nul 5180  ax-pow 5238  ax-pr 5302  ax-un 7465 This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2557  df-eu 2588  df-clab 2736  df-cleq 2750  df-clel 2830  df-nfc 2901  df-ne 2952  df-ral 3075  df-rex 3076  df-rab 3079  df-v 3411  df-sbc 3699  df-csb 3808  df-dif 3863  df-un 3865  df-in 3867  df-ss 3877  df-nul 4228  df-if 4424  df-pw 4499  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4802  df-iun 4888  df-br 5037  df-opab 5099  df-mpt 5117  df-id 5434  df-xp 5534  df-rel 5535  df-cnv 5536  df-co 5537  df-dm 5538  df-rn 5539  df-res 5540  df-ima 5541  df-iota 6299  df-fun 6342  df-fn 6343  df-f 6344  df-fv 6348  df-ov 7159  df-oprab 7160  df-mpo 7161  df-1st 7699  df-2nd 7700  df-map 8424  df-ust 22914  df-ucn 22990 This theorem is referenced by:  ucnprima  22996
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