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Theorem stoweidlem27 40244
Description: This lemma is used to prove the existence of a function p as in Lemma 1 [BrosowskiDeutsh] p. 90: p is in the subalgebra, such that 0 <= p <= 1, p(t_0) = 0, and p > 0 on T - U. Here (𝑞𝑖) is used to represent p(t_i) in the paper. (Contributed by Glauco Siliprandi, 20-Apr-2017.)
Hypotheses
Ref Expression
stoweidlem27.1 𝐺 = (𝑤𝑋 ↦ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
stoweidlem27.2 (𝜑𝑄 ∈ V)
stoweidlem27.3 (𝜑𝑀 ∈ ℕ)
stoweidlem27.4 (𝜑𝑌 Fn ran 𝐺)
stoweidlem27.5 (𝜑 → ran 𝐺 ∈ V)
stoweidlem27.6 ((𝜑𝑙 ∈ ran 𝐺) → (𝑌𝑙) ∈ 𝑙)
stoweidlem27.7 (𝜑𝐹:(1...𝑀)–1-1-onto→ran 𝐺)
stoweidlem27.8 (𝜑 → (𝑇𝑈) ⊆ 𝑋)
stoweidlem27.9 𝑡𝜑
stoweidlem27.10 𝑤𝜑
stoweidlem27.11 𝑄
Assertion
Ref Expression
stoweidlem27 (𝜑 → ∃𝑞(𝑀 ∈ ℕ ∧ (𝑞:(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < ((𝑞𝑖)‘𝑡))))
Distinct variable groups:   ,𝑖,𝑡,𝑤,𝐹   ,𝑙,𝑌,𝑡,𝑤   𝑇,,𝑤   𝑖,𝑞,𝑡,𝐹   𝑖,𝐺   𝑖,𝑀,𝑞   𝑖,𝑋,𝑤   𝑖,𝑌,𝑞   𝜑,𝑖   𝑄,𝑙   𝜑,𝑙   𝐺,𝑙   𝑄,𝑞   𝑇,𝑞   𝑈,𝑞   𝑤,𝑀   𝑤,𝑄   𝑤,𝑈
Allowed substitution hints:   𝜑(𝑤,𝑡,,𝑞)   𝑄(𝑡,,𝑖)   𝑇(𝑡,𝑖,𝑙)   𝑈(𝑡,,𝑖,𝑙)   𝐹(𝑙)   𝐺(𝑤,𝑡,,𝑞)   𝑀(𝑡,,𝑙)   𝑋(𝑡,,𝑞,𝑙)

Proof of Theorem stoweidlem27
Dummy variable 𝑘 is distinct from all other variables.
StepHypRef Expression
1 stoweidlem27.4 . . . 4 (𝜑𝑌 Fn ran 𝐺)
2 stoweidlem27.5 . . . 4 (𝜑 → ran 𝐺 ∈ V)
3 fnex 6481 . . . 4 ((𝑌 Fn ran 𝐺 ∧ ran 𝐺 ∈ V) → 𝑌 ∈ V)
41, 2, 3syl2anc 693 . . 3 (𝜑𝑌 ∈ V)
5 stoweidlem27.7 . . . . 5 (𝜑𝐹:(1...𝑀)–1-1-onto→ran 𝐺)
6 f1ofn 6138 . . . . 5 (𝐹:(1...𝑀)–1-1-onto→ran 𝐺𝐹 Fn (1...𝑀))
75, 6syl 17 . . . 4 (𝜑𝐹 Fn (1...𝑀))
8 ovex 6678 . . . 4 (1...𝑀) ∈ V
9 fnex 6481 . . . 4 ((𝐹 Fn (1...𝑀) ∧ (1...𝑀) ∈ V) → 𝐹 ∈ V)
107, 8, 9sylancl 694 . . 3 (𝜑𝐹 ∈ V)
11 coexg 7117 . . 3 ((𝑌 ∈ V ∧ 𝐹 ∈ V) → (𝑌𝐹) ∈ V)
124, 10, 11syl2anc 693 . 2 (𝜑 → (𝑌𝐹) ∈ V)
13 stoweidlem27.3 . . 3 (𝜑𝑀 ∈ ℕ)
14 f1of 6137 . . . . . 6 (𝐹:(1...𝑀)–1-1-onto→ran 𝐺𝐹:(1...𝑀)⟶ran 𝐺)
155, 14syl 17 . . . . 5 (𝜑𝐹:(1...𝑀)⟶ran 𝐺)
16 fnfco 6069 . . . . 5 ((𝑌 Fn ran 𝐺𝐹:(1...𝑀)⟶ran 𝐺) → (𝑌𝐹) Fn (1...𝑀))
171, 15, 16syl2anc 693 . . . 4 (𝜑 → (𝑌𝐹) Fn (1...𝑀))
18 rncoss 5386 . . . . 5 ran (𝑌𝐹) ⊆ ran 𝑌
19 fvelrnb 6243 . . . . . . . . . . 11 (𝑌 Fn ran 𝐺 → (𝑘 ∈ ran 𝑌 ↔ ∃𝑙 ∈ ran 𝐺(𝑌𝑙) = 𝑘))
201, 19syl 17 . . . . . . . . . 10 (𝜑 → (𝑘 ∈ ran 𝑌 ↔ ∃𝑙 ∈ ran 𝐺(𝑌𝑙) = 𝑘))
2120biimpa 501 . . . . . . . . 9 ((𝜑𝑘 ∈ ran 𝑌) → ∃𝑙 ∈ ran 𝐺(𝑌𝑙) = 𝑘)
22 stoweidlem27.10 . . . . . . . . . . . . . 14 𝑤𝜑
23 stoweidlem27.1 . . . . . . . . . . . . . . . . 17 𝐺 = (𝑤𝑋 ↦ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
24 nfmpt1 4747 . . . . . . . . . . . . . . . . 17 𝑤(𝑤𝑋 ↦ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
2523, 24nfcxfr 2762 . . . . . . . . . . . . . . . 16 𝑤𝐺
2625nfrn 5368 . . . . . . . . . . . . . . 15 𝑤ran 𝐺
2726nfcri 2758 . . . . . . . . . . . . . 14 𝑤 𝑙 ∈ ran 𝐺
2822, 27nfan 1828 . . . . . . . . . . . . 13 𝑤(𝜑𝑙 ∈ ran 𝐺)
29 stoweidlem27.6 . . . . . . . . . . . . . . . . 17 ((𝜑𝑙 ∈ ran 𝐺) → (𝑌𝑙) ∈ 𝑙)
3029ad2antrr 762 . . . . . . . . . . . . . . . 16 ((((𝜑𝑙 ∈ ran 𝐺) ∧ 𝑤𝑋) ∧ 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}) → (𝑌𝑙) ∈ 𝑙)
31 simpr 477 . . . . . . . . . . . . . . . 16 ((((𝜑𝑙 ∈ ran 𝐺) ∧ 𝑤𝑋) ∧ 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}) → 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
3230, 31eleqtrd 2703 . . . . . . . . . . . . . . 15 ((((𝜑𝑙 ∈ ran 𝐺) ∧ 𝑤𝑋) ∧ 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}) → (𝑌𝑙) ∈ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
33 nfcv 2764 . . . . . . . . . . . . . . . 16 (𝑌𝑙)
34 stoweidlem27.11 . . . . . . . . . . . . . . . 16 𝑄
35 nfv 1843 . . . . . . . . . . . . . . . 16 𝑤 = {𝑡𝑇 ∣ 0 < ((𝑌𝑙)‘𝑡)}
36 fveq1 6190 . . . . . . . . . . . . . . . . . . 19 ( = (𝑌𝑙) → (𝑡) = ((𝑌𝑙)‘𝑡))
3736breq2d 4665 . . . . . . . . . . . . . . . . . 18 ( = (𝑌𝑙) → (0 < (𝑡) ↔ 0 < ((𝑌𝑙)‘𝑡)))
3837rabbidv 3189 . . . . . . . . . . . . . . . . 17 ( = (𝑌𝑙) → {𝑡𝑇 ∣ 0 < (𝑡)} = {𝑡𝑇 ∣ 0 < ((𝑌𝑙)‘𝑡)})
3938eqeq2d 2632 . . . . . . . . . . . . . . . 16 ( = (𝑌𝑙) → (𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)} ↔ 𝑤 = {𝑡𝑇 ∣ 0 < ((𝑌𝑙)‘𝑡)}))
4033, 34, 35, 39elrabf 3360 . . . . . . . . . . . . . . 15 ((𝑌𝑙) ∈ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ↔ ((𝑌𝑙) ∈ 𝑄𝑤 = {𝑡𝑇 ∣ 0 < ((𝑌𝑙)‘𝑡)}))
4132, 40sylib 208 . . . . . . . . . . . . . 14 ((((𝜑𝑙 ∈ ran 𝐺) ∧ 𝑤𝑋) ∧ 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}) → ((𝑌𝑙) ∈ 𝑄𝑤 = {𝑡𝑇 ∣ 0 < ((𝑌𝑙)‘𝑡)}))
4241simpld 475 . . . . . . . . . . . . 13 ((((𝜑𝑙 ∈ ran 𝐺) ∧ 𝑤𝑋) ∧ 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}) → (𝑌𝑙) ∈ 𝑄)
43 simpr 477 . . . . . . . . . . . . . 14 ((𝜑𝑙 ∈ ran 𝐺) → 𝑙 ∈ ran 𝐺)
4423elrnmpt 5372 . . . . . . . . . . . . . . 15 (𝑙 ∈ ran 𝐺 → (𝑙 ∈ ran 𝐺 ↔ ∃𝑤𝑋 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}))
4543, 44syl 17 . . . . . . . . . . . . . 14 ((𝜑𝑙 ∈ ran 𝐺) → (𝑙 ∈ ran 𝐺 ↔ ∃𝑤𝑋 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}))
4643, 45mpbid 222 . . . . . . . . . . . . 13 ((𝜑𝑙 ∈ ran 𝐺) → ∃𝑤𝑋 𝑙 = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
4728, 42, 46r19.29af 3076 . . . . . . . . . . . 12 ((𝜑𝑙 ∈ ran 𝐺) → (𝑌𝑙) ∈ 𝑄)
4847adantlr 751 . . . . . . . . . . 11 (((𝜑𝑘 ∈ ran 𝑌) ∧ 𝑙 ∈ ran 𝐺) → (𝑌𝑙) ∈ 𝑄)
49 eleq1 2689 . . . . . . . . . . 11 ((𝑌𝑙) = 𝑘 → ((𝑌𝑙) ∈ 𝑄𝑘𝑄))
5048, 49syl5ibcom 235 . . . . . . . . . 10 (((𝜑𝑘 ∈ ran 𝑌) ∧ 𝑙 ∈ ran 𝐺) → ((𝑌𝑙) = 𝑘𝑘𝑄))
5150reximdva 3017 . . . . . . . . 9 ((𝜑𝑘 ∈ ran 𝑌) → (∃𝑙 ∈ ran 𝐺(𝑌𝑙) = 𝑘 → ∃𝑙 ∈ ran 𝐺 𝑘𝑄))
5221, 51mpd 15 . . . . . . . 8 ((𝜑𝑘 ∈ ran 𝑌) → ∃𝑙 ∈ ran 𝐺 𝑘𝑄)
53 idd 24 . . . . . . . . . 10 (𝑙 ∈ ran 𝐺 → (𝑘𝑄𝑘𝑄))
5453a1i 11 . . . . . . . . 9 ((𝜑𝑘 ∈ ran 𝑌) → (𝑙 ∈ ran 𝐺 → (𝑘𝑄𝑘𝑄)))
5554rexlimdv 3030 . . . . . . . 8 ((𝜑𝑘 ∈ ran 𝑌) → (∃𝑙 ∈ ran 𝐺 𝑘𝑄𝑘𝑄))
5652, 55mpd 15 . . . . . . 7 ((𝜑𝑘 ∈ ran 𝑌) → 𝑘𝑄)
5756ex 450 . . . . . 6 (𝜑 → (𝑘 ∈ ran 𝑌𝑘𝑄))
5857ssrdv 3609 . . . . 5 (𝜑 → ran 𝑌𝑄)
5918, 58syl5ss 3614 . . . 4 (𝜑 → ran (𝑌𝐹) ⊆ 𝑄)
60 df-f 5892 . . . 4 ((𝑌𝐹):(1...𝑀)⟶𝑄 ↔ ((𝑌𝐹) Fn (1...𝑀) ∧ ran (𝑌𝐹) ⊆ 𝑄))
6117, 59, 60sylanbrc 698 . . 3 (𝜑 → (𝑌𝐹):(1...𝑀)⟶𝑄)
62 stoweidlem27.9 . . . 4 𝑡𝜑
63 stoweidlem27.8 . . . . . . . . 9 (𝜑 → (𝑇𝑈) ⊆ 𝑋)
6463sselda 3603 . . . . . . . 8 ((𝜑𝑡 ∈ (𝑇𝑈)) → 𝑡 𝑋)
65 eluni 4439 . . . . . . . 8 (𝑡 𝑋 ↔ ∃𝑤(𝑡𝑤𝑤𝑋))
6664, 65sylib 208 . . . . . . 7 ((𝜑𝑡 ∈ (𝑇𝑈)) → ∃𝑤(𝑡𝑤𝑤𝑋))
67 nfv 1843 . . . . . . . . 9 𝑤 𝑡 ∈ (𝑇𝑈)
6822, 67nfan 1828 . . . . . . . 8 𝑤(𝜑𝑡 ∈ (𝑇𝑈))
6923funmpt2 5927 . . . . . . . . . . . . . 14 Fun 𝐺
7023dmeqi 5325 . . . . . . . . . . . . . . . . 17 dom 𝐺 = dom (𝑤𝑋 ↦ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
71 stoweidlem27.2 . . . . . . . . . . . . . . . . . . . . . 22 (𝜑𝑄 ∈ V)
7234rabexgf 39183 . . . . . . . . . . . . . . . . . . . . . 22 (𝑄 ∈ V → {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ∈ V)
7371, 72syl 17 . . . . . . . . . . . . . . . . . . . . 21 (𝜑 → {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ∈ V)
7473adantr 481 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑤𝑋) → {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ∈ V)
7574ex 450 . . . . . . . . . . . . . . . . . . 19 (𝜑 → (𝑤𝑋 → {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ∈ V))
7622, 75ralrimi 2957 . . . . . . . . . . . . . . . . . 18 (𝜑 → ∀𝑤𝑋 {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ∈ V)
77 dmmptg 5632 . . . . . . . . . . . . . . . . . 18 (∀𝑤𝑋 {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ∈ V → dom (𝑤𝑋 ↦ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}) = 𝑋)
7876, 77syl 17 . . . . . . . . . . . . . . . . 17 (𝜑 → dom (𝑤𝑋 ↦ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}) = 𝑋)
7970, 78syl5eq 2668 . . . . . . . . . . . . . . . 16 (𝜑 → dom 𝐺 = 𝑋)
8079eleq2d 2687 . . . . . . . . . . . . . . 15 (𝜑 → (𝑤 ∈ dom 𝐺𝑤𝑋))
8180biimpar 502 . . . . . . . . . . . . . 14 ((𝜑𝑤𝑋) → 𝑤 ∈ dom 𝐺)
82 fvelrn 6352 . . . . . . . . . . . . . 14 ((Fun 𝐺𝑤 ∈ dom 𝐺) → (𝐺𝑤) ∈ ran 𝐺)
8369, 81, 82sylancr 695 . . . . . . . . . . . . 13 ((𝜑𝑤𝑋) → (𝐺𝑤) ∈ ran 𝐺)
8483adantrl 752 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝑤𝑤𝑋)) → (𝐺𝑤) ∈ ran 𝐺)
8515ad2antrr 762 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) ∧ (𝑖 ∈ (1...𝑀) ∧ (𝐹𝑖) = (𝐺𝑤))) → 𝐹:(1...𝑀)⟶ran 𝐺)
86 simprl 794 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) ∧ (𝑖 ∈ (1...𝑀) ∧ (𝐹𝑖) = (𝐺𝑤))) → 𝑖 ∈ (1...𝑀))
87 fvco3 6275 . . . . . . . . . . . . . . . 16 ((𝐹:(1...𝑀)⟶ran 𝐺𝑖 ∈ (1...𝑀)) → ((𝑌𝐹)‘𝑖) = (𝑌‘(𝐹𝑖)))
8885, 86, 87syl2anc 693 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) ∧ (𝑖 ∈ (1...𝑀) ∧ (𝐹𝑖) = (𝐺𝑤))) → ((𝑌𝐹)‘𝑖) = (𝑌‘(𝐹𝑖)))
89 fveq2 6191 . . . . . . . . . . . . . . . 16 ((𝐹𝑖) = (𝐺𝑤) → (𝑌‘(𝐹𝑖)) = (𝑌‘(𝐺𝑤)))
9089ad2antll 765 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) ∧ (𝑖 ∈ (1...𝑀) ∧ (𝐹𝑖) = (𝐺𝑤))) → (𝑌‘(𝐹𝑖)) = (𝑌‘(𝐺𝑤)))
9188, 90eqtrd 2656 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) ∧ (𝑖 ∈ (1...𝑀) ∧ (𝐹𝑖) = (𝐺𝑤))) → ((𝑌𝐹)‘𝑖) = (𝑌‘(𝐺𝑤)))
92 eleq1 2689 . . . . . . . . . . . . . . . . . . 19 (𝑙 = (𝐺𝑤) → (𝑙 ∈ ran 𝐺 ↔ (𝐺𝑤) ∈ ran 𝐺))
9392anbi2d 740 . . . . . . . . . . . . . . . . . 18 (𝑙 = (𝐺𝑤) → ((𝜑𝑙 ∈ ran 𝐺) ↔ (𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺)))
94 eleq2 2690 . . . . . . . . . . . . . . . . . . 19 (𝑙 = (𝐺𝑤) → ((𝑌𝑙) ∈ 𝑙 ↔ (𝑌𝑙) ∈ (𝐺𝑤)))
95 fveq2 6191 . . . . . . . . . . . . . . . . . . . 20 (𝑙 = (𝐺𝑤) → (𝑌𝑙) = (𝑌‘(𝐺𝑤)))
9695eleq1d 2686 . . . . . . . . . . . . . . . . . . 19 (𝑙 = (𝐺𝑤) → ((𝑌𝑙) ∈ (𝐺𝑤) ↔ (𝑌‘(𝐺𝑤)) ∈ (𝐺𝑤)))
9794, 96bitrd 268 . . . . . . . . . . . . . . . . . 18 (𝑙 = (𝐺𝑤) → ((𝑌𝑙) ∈ 𝑙 ↔ (𝑌‘(𝐺𝑤)) ∈ (𝐺𝑤)))
9893, 97imbi12d 334 . . . . . . . . . . . . . . . . 17 (𝑙 = (𝐺𝑤) → (((𝜑𝑙 ∈ ran 𝐺) → (𝑌𝑙) ∈ 𝑙) ↔ ((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) → (𝑌‘(𝐺𝑤)) ∈ (𝐺𝑤))))
9998, 29vtoclg 3266 . . . . . . . . . . . . . . . 16 ((𝐺𝑤) ∈ ran 𝐺 → ((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) → (𝑌‘(𝐺𝑤)) ∈ (𝐺𝑤)))
10099anabsi7 860 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) → (𝑌‘(𝐺𝑤)) ∈ (𝐺𝑤))
101100adantr 481 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) ∧ (𝑖 ∈ (1...𝑀) ∧ (𝐹𝑖) = (𝐺𝑤))) → (𝑌‘(𝐺𝑤)) ∈ (𝐺𝑤))
10291, 101eqeltrd 2701 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) ∧ (𝑖 ∈ (1...𝑀) ∧ (𝐹𝑖) = (𝐺𝑤))) → ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤))
103 f1ofo 6144 . . . . . . . . . . . . . . . . 17 (𝐹:(1...𝑀)–1-1-onto→ran 𝐺𝐹:(1...𝑀)–onto→ran 𝐺)
104 forn 6118 . . . . . . . . . . . . . . . . 17 (𝐹:(1...𝑀)–onto→ran 𝐺 → ran 𝐹 = ran 𝐺)
1055, 103, 1043syl 18 . . . . . . . . . . . . . . . 16 (𝜑 → ran 𝐹 = ran 𝐺)
106105eleq2d 2687 . . . . . . . . . . . . . . 15 (𝜑 → ((𝐺𝑤) ∈ ran 𝐹 ↔ (𝐺𝑤) ∈ ran 𝐺))
107106biimpar 502 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) → (𝐺𝑤) ∈ ran 𝐹)
1087adantr 481 . . . . . . . . . . . . . . 15 ((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) → 𝐹 Fn (1...𝑀))
109 fvelrnb 6243 . . . . . . . . . . . . . . 15 (𝐹 Fn (1...𝑀) → ((𝐺𝑤) ∈ ran 𝐹 ↔ ∃𝑖 ∈ (1...𝑀)(𝐹𝑖) = (𝐺𝑤)))
110108, 109syl 17 . . . . . . . . . . . . . 14 ((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) → ((𝐺𝑤) ∈ ran 𝐹 ↔ ∃𝑖 ∈ (1...𝑀)(𝐹𝑖) = (𝐺𝑤)))
111107, 110mpbid 222 . . . . . . . . . . . . 13 ((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) → ∃𝑖 ∈ (1...𝑀)(𝐹𝑖) = (𝐺𝑤))
112102, 111reximddv 3018 . . . . . . . . . . . 12 ((𝜑 ∧ (𝐺𝑤) ∈ ran 𝐺) → ∃𝑖 ∈ (1...𝑀)((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤))
11384, 112syldan 487 . . . . . . . . . . 11 ((𝜑 ∧ (𝑡𝑤𝑤𝑋)) → ∃𝑖 ∈ (1...𝑀)((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤))
114 simplrl 800 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑡𝑤𝑤𝑋)) ∧ ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤)) → 𝑡𝑤)
115 simpr 477 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑤𝑋) → 𝑤𝑋)
11623fvmpt2 6291 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑤𝑋 ∧ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ∈ V) → (𝐺𝑤) = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
117115, 74, 116syl2anc 693 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑤𝑋) → (𝐺𝑤) = {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
118117eleq2d 2687 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑤𝑋) → (((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤) ↔ ((𝑌𝐹)‘𝑖) ∈ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}}))
119118biimpa 501 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑤𝑋) ∧ ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤)) → ((𝑌𝐹)‘𝑖) ∈ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
120119adantlrl 756 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ (𝑡𝑤𝑤𝑋)) ∧ ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤)) → ((𝑌𝐹)‘𝑖) ∈ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}})
121 nfcv 2764 . . . . . . . . . . . . . . . . . . 19 ((𝑌𝐹)‘𝑖)
122 nfv 1843 . . . . . . . . . . . . . . . . . . 19 𝑤 = {𝑡𝑇 ∣ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)}
123 fveq1 6190 . . . . . . . . . . . . . . . . . . . . . 22 ( = ((𝑌𝐹)‘𝑖) → (𝑡) = (((𝑌𝐹)‘𝑖)‘𝑡))
124123breq2d 4665 . . . . . . . . . . . . . . . . . . . . 21 ( = ((𝑌𝐹)‘𝑖) → (0 < (𝑡) ↔ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
125124rabbidv 3189 . . . . . . . . . . . . . . . . . . . 20 ( = ((𝑌𝐹)‘𝑖) → {𝑡𝑇 ∣ 0 < (𝑡)} = {𝑡𝑇 ∣ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)})
126125eqeq2d 2632 . . . . . . . . . . . . . . . . . . 19 ( = ((𝑌𝐹)‘𝑖) → (𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)} ↔ 𝑤 = {𝑡𝑇 ∣ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)}))
127121, 34, 122, 126elrabf 3360 . . . . . . . . . . . . . . . . . 18 (((𝑌𝐹)‘𝑖) ∈ {𝑄𝑤 = {𝑡𝑇 ∣ 0 < (𝑡)}} ↔ (((𝑌𝐹)‘𝑖) ∈ 𝑄𝑤 = {𝑡𝑇 ∣ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)}))
128120, 127sylib 208 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑡𝑤𝑤𝑋)) ∧ ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤)) → (((𝑌𝐹)‘𝑖) ∈ 𝑄𝑤 = {𝑡𝑇 ∣ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)}))
129128simprd 479 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑡𝑤𝑤𝑋)) ∧ ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤)) → 𝑤 = {𝑡𝑇 ∣ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)})
130114, 129eleqtrd 2703 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑡𝑤𝑤𝑋)) ∧ ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤)) → 𝑡 ∈ {𝑡𝑇 ∣ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)})
131 rabid 3116 . . . . . . . . . . . . . . 15 (𝑡 ∈ {𝑡𝑇 ∣ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)} ↔ (𝑡𝑇 ∧ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
132130, 131sylib 208 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑡𝑤𝑤𝑋)) ∧ ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤)) → (𝑡𝑇 ∧ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
133132simprd 479 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑡𝑤𝑤𝑋)) ∧ ((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤)) → 0 < (((𝑌𝐹)‘𝑖)‘𝑡))
134133ex 450 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑡𝑤𝑤𝑋)) → (((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤) → 0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
135134reximdv 3016 . . . . . . . . . . 11 ((𝜑 ∧ (𝑡𝑤𝑤𝑋)) → (∃𝑖 ∈ (1...𝑀)((𝑌𝐹)‘𝑖) ∈ (𝐺𝑤) → ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
136113, 135mpd 15 . . . . . . . . . 10 ((𝜑 ∧ (𝑡𝑤𝑤𝑋)) → ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡))
137136ex 450 . . . . . . . . 9 (𝜑 → ((𝑡𝑤𝑤𝑋) → ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
138137adantr 481 . . . . . . . 8 ((𝜑𝑡 ∈ (𝑇𝑈)) → ((𝑡𝑤𝑤𝑋) → ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
13968, 138eximd 2085 . . . . . . 7 ((𝜑𝑡 ∈ (𝑇𝑈)) → (∃𝑤(𝑡𝑤𝑤𝑋) → ∃𝑤𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
14066, 139mpd 15 . . . . . 6 ((𝜑𝑡 ∈ (𝑇𝑈)) → ∃𝑤𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡))
141 nfv 1843 . . . . . . 7 𝑤𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)
142 idd 24 . . . . . . 7 ((𝜑𝑡 ∈ (𝑇𝑈)) → (∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡) → ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
14368, 141, 142exlimd 2087 . . . . . 6 ((𝜑𝑡 ∈ (𝑇𝑈)) → (∃𝑤𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡) → ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
144140, 143mpd 15 . . . . 5 ((𝜑𝑡 ∈ (𝑇𝑈)) → ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡))
145144ex 450 . . . 4 (𝜑 → (𝑡 ∈ (𝑇𝑈) → ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
14662, 145ralrimi 2957 . . 3 (𝜑 → ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡))
14713, 61, 146jca32 558 . 2 (𝜑 → (𝑀 ∈ ℕ ∧ ((𝑌𝐹):(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡))))
148 feq1 6026 . . . . 5 (𝑞 = (𝑌𝐹) → (𝑞:(1...𝑀)⟶𝑄 ↔ (𝑌𝐹):(1...𝑀)⟶𝑄))
149 fveq1 6190 . . . . . . . . 9 (𝑞 = (𝑌𝐹) → (𝑞𝑖) = ((𝑌𝐹)‘𝑖))
150149fveq1d 6193 . . . . . . . 8 (𝑞 = (𝑌𝐹) → ((𝑞𝑖)‘𝑡) = (((𝑌𝐹)‘𝑖)‘𝑡))
151150breq2d 4665 . . . . . . 7 (𝑞 = (𝑌𝐹) → (0 < ((𝑞𝑖)‘𝑡) ↔ 0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
152151rexbidv 3052 . . . . . 6 (𝑞 = (𝑌𝐹) → (∃𝑖 ∈ (1...𝑀)0 < ((𝑞𝑖)‘𝑡) ↔ ∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
153152ralbidv 2986 . . . . 5 (𝑞 = (𝑌𝐹) → (∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < ((𝑞𝑖)‘𝑡) ↔ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))
154148, 153anbi12d 747 . . . 4 (𝑞 = (𝑌𝐹) → ((𝑞:(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < ((𝑞𝑖)‘𝑡)) ↔ ((𝑌𝐹):(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡))))
155154anbi2d 740 . . 3 (𝑞 = (𝑌𝐹) → ((𝑀 ∈ ℕ ∧ (𝑞:(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < ((𝑞𝑖)‘𝑡))) ↔ (𝑀 ∈ ℕ ∧ ((𝑌𝐹):(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡)))))
156155spcegv 3294 . 2 ((𝑌𝐹) ∈ V → ((𝑀 ∈ ℕ ∧ ((𝑌𝐹):(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < (((𝑌𝐹)‘𝑖)‘𝑡))) → ∃𝑞(𝑀 ∈ ℕ ∧ (𝑞:(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < ((𝑞𝑖)‘𝑡)))))
15712, 147, 156sylc 65 1 (𝜑 → ∃𝑞(𝑀 ∈ ℕ ∧ (𝑞:(1...𝑀)⟶𝑄 ∧ ∀𝑡 ∈ (𝑇𝑈)∃𝑖 ∈ (1...𝑀)0 < ((𝑞𝑖)‘𝑡))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 384   = wceq 1483  wex 1704  wnf 1708  wcel 1990  wnfc 2751  wral 2912  wrex 2913  {crab 2916  Vcvv 3200  cdif 3571  wss 3574   cuni 4436   class class class wbr 4653  cmpt 4729  dom cdm 5114  ran crn 5115  ccom 5118  Fun wfun 5882   Fn wfn 5883  wf 5884  ontowfo 5886  1-1-ontowf1o 5887  cfv 5888  (class class class)co 6650  0cc0 9936  1c1 9937   < clt 10074  cn 11020  ...cfz 12326
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-rep 4771  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-reu 2919  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-iun 4522  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-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-ov 6653
This theorem is referenced by:  stoweidlem35  40252
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