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Theorem aalioulem2 24088

Description: Lemma for aaliou 24093. (Contributed by Stefan O'Rear, 15-Nov-2014.) (Proof shortened by AV, 28-Sep-2020.)

**Hypotheses**
Ref	Expression
aalioulem2.a	⊢ 𝑁 = (deg‘𝐹)
aalioulem2.b	⊢ (𝜑 → 𝐹 ∈ (Poly‘ℤ))
aalioulem2.c	⊢ (𝜑 → 𝑁 ∈ ℕ)
aalioulem2.d	⊢ (𝜑 → 𝐴 ∈ ℝ)

**Assertion**
Ref	Expression
aalioulem2	⊢ (𝜑 → ∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))

Distinct variable groups: 𝜑,𝑥,𝑝,𝑞 𝑥,𝐴,𝑝,𝑞 𝑥,𝐹,𝑝,𝑞 Allowed substitution hints: 𝑁(𝑥,𝑞,𝑝)

Proof of Theorem aalioulem2 Dummy variables 𝑟 𝑎 𝑏 𝑐 𝑑 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		1rp 11836	. . . . . . 7 ⊢ 1 ∈ ℝ⁺
2		snssi 4339	. . . . . . 7 ⊢ (1 ∈ ℝ⁺ → {1} ⊆ ℝ⁺)
3	1, 2	ax-mp 5	. . . . . 6 ⊢ {1} ⊆ ℝ⁺
4		ssrab2 3687	. . . . . 6 ⊢ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ⊆ ℝ⁺
5	3, 4	unssi 3788	. . . . 5 ⊢ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ⊆ ℝ⁺
6		ltso 10118	. . . . . . 7 ⊢ < Or ℝ
7	6	a1i 11	. . . . . 6 ⊢ (𝜑 → < Or ℝ)
8		snfi 8038	. . . . . . 7 ⊢ {1} ∈ Fin
9		aalioulem2.b	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 ∈ (Poly‘ℤ))
10		aalioulem2.c	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑁 ∈ ℕ)
11	10	nnne0d 11065	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑁 ≠ 0)
12		aalioulem2.a	. . . . . . . . . . . . . 14 ⊢ 𝑁 = (deg‘𝐹)
13	12	eqcomi 2631	. . . . . . . . . . . . 13 ⊢ (deg‘𝐹) = 𝑁
14		dgr0 24018	. . . . . . . . . . . . 13 ⊢ (deg‘0_𝑝) = 0
15	11, 13, 14	3netr4g 2873	. . . . . . . . . . . 12 ⊢ (𝜑 → (deg‘𝐹) ≠ (deg‘0_𝑝))
16		fveq2 6191	. . . . . . . . . . . . 13 ⊢ (𝐹 = 0_𝑝 → (deg‘𝐹) = (deg‘0_𝑝))
17	16	necon3i 2826	. . . . . . . . . . . 12 ⊢ ((deg‘𝐹) ≠ (deg‘0_𝑝) → 𝐹 ≠ 0_𝑝)
18	15, 17	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 ≠ 0_𝑝)
19		eqid 2622	. . . . . . . . . . . 12 ⊢ (^◡𝐹 “ {0}) = (^◡𝐹 “ {0})
20	19	fta1 24063	. . . . . . . . . . 11 ⊢ ((𝐹 ∈ (Poly‘ℤ) ∧ 𝐹 ≠ 0_𝑝) → ((^◡𝐹 “ {0}) ∈ Fin ∧ (#‘(^◡𝐹 “ {0})) ≤ (deg‘𝐹)))
21	9, 18, 20	syl2anc 693	. . . . . . . . . 10 ⊢ (𝜑 → ((^◡𝐹 “ {0}) ∈ Fin ∧ (#‘(^◡𝐹 “ {0})) ≤ (deg‘𝐹)))
22	21	simpld 475	. . . . . . . . 9 ⊢ (𝜑 → (^◡𝐹 “ {0}) ∈ Fin)
23		abrexfi 8266	. . . . . . . . 9 ⊢ ((^◡𝐹 “ {0}) ∈ Fin → {𝑎 ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ∈ Fin)
24	22, 23	syl 17	. . . . . . . 8 ⊢ (𝜑 → {𝑎 ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ∈ Fin)
25		rabssab 3690	. . . . . . . 8 ⊢ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ⊆ {𝑎 ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}
26		ssfi 8180	. . . . . . . 8 ⊢ (({𝑎 ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ∈ Fin ∧ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ⊆ {𝑎 ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) → {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ∈ Fin)
27	24, 25, 26	sylancl 694	. . . . . . 7 ⊢ (𝜑 → {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ∈ Fin)
28		unfi 8227	. . . . . . 7 ⊢ (({1} ∈ Fin ∧ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ∈ Fin) → ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ∈ Fin)
29	8, 27, 28	sylancr 695	. . . . . 6 ⊢ (𝜑 → ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ∈ Fin)
30		1ex 10035	. . . . . . . . 9 ⊢ 1 ∈ V
31	30	snid 4208	. . . . . . . 8 ⊢ 1 ∈ {1}
32		elun1 3780	. . . . . . . 8 ⊢ (1 ∈ {1} → 1 ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}))
33		ne0i 3921	. . . . . . . 8 ⊢ (1 ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) → ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ≠ ∅)
34	31, 32, 33	mp2b 10	. . . . . . 7 ⊢ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ≠ ∅
35	34	a1i 11	. . . . . 6 ⊢ (𝜑 → ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ≠ ∅)
36		rpssre 11843	. . . . . . . 8 ⊢ ℝ⁺ ⊆ ℝ
37	5, 36	sstri 3612	. . . . . . 7 ⊢ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ⊆ ℝ
38	37	a1i 11	. . . . . 6 ⊢ (𝜑 → ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ⊆ ℝ)
39		fiinfcl 8407	. . . . . 6 ⊢ (( < Or ℝ ∧ (({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ∈ Fin ∧ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ≠ ∅ ∧ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ⊆ ℝ)) → inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}))
40	7, 29, 35, 38, 39	syl13anc 1328	. . . . 5 ⊢ (𝜑 → inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}))
41	5, 40	sseldi 3601	. . . 4 ⊢ (𝜑 → inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ∈ ℝ⁺)
42	37	a1i 11	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ⊆ ℝ)
43		0re 10040	. . . . . . . . . . . 12 ⊢ 0 ∈ ℝ
44		rpge0 11845	. . . . . . . . . . . . 13 ⊢ (𝑑 ∈ ℝ⁺ → 0 ≤ 𝑑)
45	44	rgen 2922	. . . . . . . . . . . 12 ⊢ ∀𝑑 ∈ ℝ⁺ 0 ≤ 𝑑
46		breq1 4656	. . . . . . . . . . . . . 14 ⊢ (𝑐 = 0 → (𝑐 ≤ 𝑑 ↔ 0 ≤ 𝑑))
47	46	ralbidv 2986	. . . . . . . . . . . . 13 ⊢ (𝑐 = 0 → (∀𝑑 ∈ ℝ⁺ 𝑐 ≤ 𝑑 ↔ ∀𝑑 ∈ ℝ⁺ 0 ≤ 𝑑))
48	47	rspcev 3309	. . . . . . . . . . . 12 ⊢ ((0 ∈ ℝ ∧ ∀𝑑 ∈ ℝ⁺ 0 ≤ 𝑑) → ∃𝑐 ∈ ℝ ∀𝑑 ∈ ℝ⁺ 𝑐 ≤ 𝑑)
49	43, 45, 48	mp2an 708	. . . . . . . . . . 11 ⊢ ∃𝑐 ∈ ℝ ∀𝑑 ∈ ℝ⁺ 𝑐 ≤ 𝑑
50		ssralv 3666	. . . . . . . . . . . . 13 ⊢ (({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ⊆ ℝ⁺ → (∀𝑑 ∈ ℝ⁺ 𝑐 ≤ 𝑑 → ∀𝑑 ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))})𝑐 ≤ 𝑑))
51	5, 50	ax-mp 5	. . . . . . . . . . . 12 ⊢ (∀𝑑 ∈ ℝ⁺ 𝑐 ≤ 𝑑 → ∀𝑑 ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))})𝑐 ≤ 𝑑)
52	51	reximi 3011	. . . . . . . . . . 11 ⊢ (∃𝑐 ∈ ℝ ∀𝑑 ∈ ℝ⁺ 𝑐 ≤ 𝑑 → ∃𝑐 ∈ ℝ ∀𝑑 ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))})𝑐 ≤ 𝑑)
53	49, 52	ax-mp 5	. . . . . . . . . 10 ⊢ ∃𝑐 ∈ ℝ ∀𝑑 ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))})𝑐 ≤ 𝑑
54	53	a1i 11	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → ∃𝑐 ∈ ℝ ∀𝑑 ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))})𝑐 ≤ 𝑑)
55		aalioulem2.d	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝐴 ∈ ℝ)
56	55	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → 𝐴 ∈ ℝ)
57		simplr 792	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → 𝑟 ∈ ℝ)
58	56, 57	resubcld 10458	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → (𝐴 − 𝑟) ∈ ℝ)
59	58	recnd 10068	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → (𝐴 − 𝑟) ∈ ℂ)
60	55	ad2antrr 762	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → 𝐴 ∈ ℝ)
61	60	recnd 10068	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → 𝐴 ∈ ℂ)
62		simplr 792	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → 𝑟 ∈ ℝ)
63	62	recnd 10068	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → 𝑟 ∈ ℂ)
64	61, 63	subeq0ad 10402	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → ((𝐴 − 𝑟) = 0 ↔ 𝐴 = 𝑟))
65	64	necon3abid 2830	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → ((𝐴 − 𝑟) ≠ 0 ↔ ¬ 𝐴 = 𝑟))
66	65	biimprd 238	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → (¬ 𝐴 = 𝑟 → (𝐴 − 𝑟) ≠ 0))
67	66	impr 649	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → (𝐴 − 𝑟) ≠ 0)
68	59, 67	absrpcld 14187	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → (abs‘(𝐴 − 𝑟)) ∈ ℝ⁺)
69	57	recnd 10068	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → 𝑟 ∈ ℂ)
70		simprl 794	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → (𝐹‘𝑟) = 0)
71		plyf 23954	. . . . . . . . . . . . . . . . 17 ⊢ (𝐹 ∈ (Poly‘ℤ) → 𝐹:ℂ⟶ℂ)
72	9, 71	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐹:ℂ⟶ℂ)
73		ffn 6045	. . . . . . . . . . . . . . . 16 ⊢ (𝐹:ℂ⟶ℂ → 𝐹 Fn ℂ)
74	72, 73	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝐹 Fn ℂ)
75	74	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → 𝐹 Fn ℂ)
76		fniniseg 6338	. . . . . . . . . . . . . 14 ⊢ (𝐹 Fn ℂ → (𝑟 ∈ (^◡𝐹 “ {0}) ↔ (𝑟 ∈ ℂ ∧ (𝐹‘𝑟) = 0)))
77	75, 76	syl 17	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → (𝑟 ∈ (^◡𝐹 “ {0}) ↔ (𝑟 ∈ ℂ ∧ (𝐹‘𝑟) = 0)))
78	69, 70, 77	mpbir2and 957	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → 𝑟 ∈ (^◡𝐹 “ {0}))
79		eqid 2622	. . . . . . . . . . . 12 ⊢ (abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑟))
80		oveq2 6658	. . . . . . . . . . . . . . 15 ⊢ (𝑏 = 𝑟 → (𝐴 − 𝑏) = (𝐴 − 𝑟))
81	80	fveq2d 6195	. . . . . . . . . . . . . 14 ⊢ (𝑏 = 𝑟 → (abs‘(𝐴 − 𝑏)) = (abs‘(𝐴 − 𝑟)))
82	81	eqeq2d 2632	. . . . . . . . . . . . 13 ⊢ (𝑏 = 𝑟 → ((abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑏)) ↔ (abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑟))))
83	82	rspcev 3309	. . . . . . . . . . . 12 ⊢ ((𝑟 ∈ (^◡𝐹 “ {0}) ∧ (abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑟))) → ∃𝑏 ∈ (^◡𝐹 “ {0})(abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑏)))
84	78, 79, 83	sylancl 694	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → ∃𝑏 ∈ (^◡𝐹 “ {0})(abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑏)))
85		eqeq1 2626	. . . . . . . . . . . . 13 ⊢ (𝑎 = (abs‘(𝐴 − 𝑟)) → (𝑎 = (abs‘(𝐴 − 𝑏)) ↔ (abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑏))))
86	85	rexbidv 3052	. . . . . . . . . . . 12 ⊢ (𝑎 = (abs‘(𝐴 − 𝑟)) → (∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏)) ↔ ∃𝑏 ∈ (^◡𝐹 “ {0})(abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑏))))
87	86	elrab 3363	. . . . . . . . . . 11 ⊢ ((abs‘(𝐴 − 𝑟)) ∈ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} ↔ ((abs‘(𝐴 − 𝑟)) ∈ ℝ⁺ ∧ ∃𝑏 ∈ (^◡𝐹 “ {0})(abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − 𝑏))))
88	68, 84, 87	sylanbrc 698	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → (abs‘(𝐴 − 𝑟)) ∈ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))})
89		elun2 3781	. . . . . . . . . 10 ⊢ ((abs‘(𝐴 − 𝑟)) ∈ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))} → (abs‘(𝐴 − 𝑟)) ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}))
90	88, 89	syl 17	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → (abs‘(𝐴 − 𝑟)) ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}))
91		infrelb 11008	. . . . . . . . 9 ⊢ ((({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}) ⊆ ℝ ∧ ∃𝑐 ∈ ℝ ∀𝑑 ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))})𝑐 ≤ 𝑑 ∧ (abs‘(𝐴 − 𝑟)) ∈ ({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))})) → inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟)))
92	42, 54, 90, 91	syl3anc 1326	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ ((𝐹‘𝑟) = 0 ∧ ¬ 𝐴 = 𝑟)) → inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟)))
93	92	expr 643	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → (¬ 𝐴 = 𝑟 → inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟))))
94	93	orrd 393	. . . . . 6 ⊢ (((𝜑 ∧ 𝑟 ∈ ℝ) ∧ (𝐹‘𝑟) = 0) → (𝐴 = 𝑟 ∨ inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟))))
95	94	ex 450	. . . . 5 ⊢ ((𝜑 ∧ 𝑟 ∈ ℝ) → ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟)))))
96	95	ralrimiva 2966	. . . 4 ⊢ (𝜑 → ∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟)))))
97		breq1 4656	. . . . . . . 8 ⊢ (𝑥 = inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) → (𝑥 ≤ (abs‘(𝐴 − 𝑟)) ↔ inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟))))
98	97	orbi2d 738	. . . . . . 7 ⊢ (𝑥 = inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) → ((𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟))) ↔ (𝐴 = 𝑟 ∨ inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟)))))
99	98	imbi2d 330	. . . . . 6 ⊢ (𝑥 = inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) → (((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))) ↔ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟))))))
100	99	ralbidv 2986	. . . . 5 ⊢ (𝑥 = inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) → (∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))) ↔ ∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟))))))
101	100	rspcev 3309	. . . 4 ⊢ ((inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ∈ ℝ⁺ ∧ ∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ inf(({1} ∪ {𝑎 ∈ ℝ⁺ ∣ ∃𝑏 ∈ (^◡𝐹 “ {0})𝑎 = (abs‘(𝐴 − 𝑏))}), ℝ, < ) ≤ (abs‘(𝐴 − 𝑟))))) → ∃𝑥 ∈ ℝ⁺ ∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))))
102	41, 96, 101	syl2anc 693	. . 3 ⊢ (𝜑 → ∃𝑥 ∈ ℝ⁺ ∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))))
103		fveq2 6191	. . . . . . . . 9 ⊢ (𝑟 = (𝑝 / 𝑞) → (𝐹‘𝑟) = (𝐹‘(𝑝 / 𝑞)))
104	103	eqeq1d 2624	. . . . . . . 8 ⊢ (𝑟 = (𝑝 / 𝑞) → ((𝐹‘𝑟) = 0 ↔ (𝐹‘(𝑝 / 𝑞)) = 0))
105		eqeq2 2633	. . . . . . . . 9 ⊢ (𝑟 = (𝑝 / 𝑞) → (𝐴 = 𝑟 ↔ 𝐴 = (𝑝 / 𝑞)))
106		oveq2 6658	. . . . . . . . . . 11 ⊢ (𝑟 = (𝑝 / 𝑞) → (𝐴 − 𝑟) = (𝐴 − (𝑝 / 𝑞)))
107	106	fveq2d 6195	. . . . . . . . . 10 ⊢ (𝑟 = (𝑝 / 𝑞) → (abs‘(𝐴 − 𝑟)) = (abs‘(𝐴 − (𝑝 / 𝑞))))
108	107	breq2d 4665	. . . . . . . . 9 ⊢ (𝑟 = (𝑝 / 𝑞) → (𝑥 ≤ (abs‘(𝐴 − 𝑟)) ↔ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
109	105, 108	orbi12d 746	. . . . . . . 8 ⊢ (𝑟 = (𝑝 / 𝑞) → ((𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟))) ↔ (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
110	104, 109	imbi12d 334	. . . . . . 7 ⊢ (𝑟 = (𝑝 / 𝑞) → (((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))) ↔ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
111	110	rspcv 3305	. . . . . 6 ⊢ ((𝑝 / 𝑞) ∈ ℝ → (∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))) → ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
112		znq 11792	. . . . . . 7 ⊢ ((𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ) → (𝑝 / 𝑞) ∈ ℚ)
113		qre 11793	. . . . . . 7 ⊢ ((𝑝 / 𝑞) ∈ ℚ → (𝑝 / 𝑞) ∈ ℝ)
114	112, 113	syl 17	. . . . . 6 ⊢ ((𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ) → (𝑝 / 𝑞) ∈ ℝ)
115	111, 114	syl11 33	. . . . 5 ⊢ (∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))) → ((𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ) → ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
116	115	ralrimivv 2970	. . . 4 ⊢ (∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))) → ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
117	116	reximi 3011	. . 3 ⊢ (∃𝑥 ∈ ℝ⁺ ∀𝑟 ∈ ℝ ((𝐹‘𝑟) = 0 → (𝐴 = 𝑟 ∨ 𝑥 ≤ (abs‘(𝐴 − 𝑟)))) → ∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
118	102, 117	syl 17	. 2 ⊢ (𝜑 → ∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
119		simplr 792	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑥 ∈ ℝ⁺)
120		simprr 796	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑞 ∈ ℕ)
121	10	nnnn0d 11351	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑁 ∈ ℕ₀)
122	121	ad2antrr 762	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑁 ∈ ℕ₀)
123	120, 122	nnexpcld 13030	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑞↑𝑁) ∈ ℕ)
124	123	nnrpd 11870	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑞↑𝑁) ∈ ℝ⁺)
125	119, 124	rpdivcld 11889	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑥 / (𝑞↑𝑁)) ∈ ℝ⁺)
126	125	rpred 11872	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑥 / (𝑞↑𝑁)) ∈ ℝ)
127	126	adantr 481	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (𝑥 / (𝑞↑𝑁)) ∈ ℝ)
128		simpllr 799	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → 𝑥 ∈ ℝ⁺)
129	128	rpred 11872	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → 𝑥 ∈ ℝ)
130	55	ad2antrr 762	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝐴 ∈ ℝ)
131	114	adantl 482	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑝 / 𝑞) ∈ ℝ)
132	130, 131	resubcld 10458	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝐴 − (𝑝 / 𝑞)) ∈ ℝ)
133	132	recnd 10068	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝐴 − (𝑝 / 𝑞)) ∈ ℂ)
134	133	abscld 14175	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ)
135	134	adantr 481	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ)
136		rpre 11839	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ℝ⁺ → 𝑥 ∈ ℝ)
137	136	ad2antlr 763	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑥 ∈ ℝ)
138	119	rpcnne0d 11881	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑥 ∈ ℂ ∧ 𝑥 ≠ 0))
139		divid 10714	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℂ ∧ 𝑥 ≠ 0) → (𝑥 / 𝑥) = 1)
140	138, 139	syl 17	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑥 / 𝑥) = 1)
141	123	nnge1d 11063	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 1 ≤ (𝑞↑𝑁))
142	140, 141	eqbrtrd 4675	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑥 / 𝑥) ≤ (𝑞↑𝑁))
143	137, 119, 124, 142	lediv23d 11938	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑥 / (𝑞↑𝑁)) ≤ 𝑥)
144	143	adantr 481	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (𝑥 / (𝑞↑𝑁)) ≤ 𝑥)
145		simpr 477	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))
146	127, 129, 135, 144, 145	letrd 10194	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))
147	146	ex 450	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))) → (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
148	147	orim2d 885	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → ((𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
149	148	imim2d 57	. . . 4 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
150	149	ralimdvva 2964	. . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ⁺) → (∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
151	150	reximdva 3017	. 2 ⊢ (𝜑 → (∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ 𝑥 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
152	118, 151	mpd 15	1 ⊢ (𝜑 → ∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) = 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 196 ∨ wo 383 ∧ wa 384 = wceq 1483 ∈ wcel 1990 {cab 2608 ≠ wne 2794 ∀wral 2912 ∃wrex 2913 {crab 2916 ∪ cun 3572 ⊆ wss 3574 ∅c0 3915 {csn 4177 class class class wbr 4653 Or wor 5034 ^◡ccnv 5113 “ cima 5117 Fn wfn 5883 ⟶wf 5884 ‘cfv 5888 (class class class)co 6650 Fincfn 7955 infcinf 8347 ℂcc 9934 ℝcr 9935 0cc0 9936 1c1 9937 < clt 10074 ≤ cle 10075 − cmin 10266 / cdiv 10684 ℕcn 11020 ℕ₀cn0 11292 ℤcz 11377 ℚcq 11788 ℝ⁺crp 11832 ↑cexp 12860 #chash 13117 abscabs 13974 0_𝑝c0p 23436 Polycply 23940 degcdgr 23943

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 ax-inf2 8538 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014 ax-addf 10015

This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-fal 1489 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-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 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-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-se 5074 df-we 5075 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-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 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-isom 5897 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-of 6897 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-map 7859 df-pm 7860 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-sup 8348 df-inf 8349 df-oi 8415 df-card 8765 df-cda 8990 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-div 10685 df-nn 11021 df-2 11079 df-3 11080 df-n0 11293 df-xnn0 11364 df-z 11378 df-uz 11688 df-q 11789 df-rp 11833 df-fz 12327 df-fzo 12466 df-fl 12593 df-seq 12802 df-exp 12861 df-hash 13118 df-cj 13839 df-re 13840 df-im 13841 df-sqrt 13975 df-abs 13976 df-clim 14219 df-rlim 14220 df-sum 14417 df-0p 23437 df-ply 23944 df-idp 23945 df-coe 23946 df-dgr 23947 df-quot 24046

This theorem is referenced by: aalioulem6 24092

W3C validator