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Theorem aalioulem5 26287

Description: Lemma for aaliou 26289. (Contributed by Stefan O'Rear, 16-Nov-2014.)

**Hypotheses**
Ref	Expression
aalioulem2.a	⊢ 𝑁 = (deg‘𝐹)
aalioulem2.b	⊢ (𝜑 → 𝐹 ∈ (Poly‘ℤ))
aalioulem2.c	⊢ (𝜑 → 𝑁 ∈ ℕ)
aalioulem2.d	⊢ (𝜑 → 𝐴 ∈ ℝ)
aalioulem3.e	⊢ (𝜑 → (𝐹‘𝐴) = 0)

**Assertion**
Ref	Expression
aalioulem5	⊢ (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 𝑥,𝑁 Allowed substitution hints: 𝑁(𝑞,𝑝)

Proof of Theorem aalioulem5 Dummy variable 𝑎 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		aalioulem2.a	. . 3 ⊢ 𝑁 = (deg‘𝐹)
2		aalioulem2.b	. . 3 ⊢ (𝜑 → 𝐹 ∈ (Poly‘ℤ))
3		aalioulem2.c	. . 3 ⊢ (𝜑 → 𝑁 ∈ ℕ)
4		aalioulem2.d	. . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ)
5		aalioulem3.e	. . 3 ⊢ (𝜑 → (𝐹‘𝐴) = 0)
6	1, 2, 3, 4, 5	aalioulem4 26286	. 2 ⊢ (𝜑 → ∃𝑎 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ (((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → (𝐴 = (𝑝 / 𝑞) ∨ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
7		simpr 483	. . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ ℝ⁺) → 𝑎 ∈ ℝ⁺)
8		1rp 13008	. . . . 5 ⊢ 1 ∈ ℝ⁺
9		ifcl 4569	. . . . 5 ⊢ ((𝑎 ∈ ℝ⁺ ∧ 1 ∈ ℝ⁺) → if(𝑎 ≤ 1, 𝑎, 1) ∈ ℝ⁺)
10	7, 8, 9	sylancl 584	. . . 4 ⊢ ((𝜑 ∧ 𝑎 ∈ ℝ⁺) → if(𝑎 ≤ 1, 𝑎, 1) ∈ ℝ⁺)
11	10	adantr 479	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → if(𝑎 ≤ 1, 𝑎, 1) ∈ ℝ⁺)
12		simprr 771	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑞 ∈ ℕ)
13	12	nnrpd 13044	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑞 ∈ ℝ⁺)
14	3	ad2antrr 724	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑁 ∈ ℕ)
15	14	nnzd 12613	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑁 ∈ ℤ)
16	13, 15	rpexpcld 14239	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑞↑𝑁) ∈ ℝ⁺)
17	11, 16	rpdivcld 13063	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ⁺)
18	17	rpred 13046	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ)
19		1re 11242	. . . . . . . . . . . 12 ⊢ 1 ∈ ℝ
20	19	a1i 11	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 1 ∈ ℝ)
21	4	ad2antrr 724	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝐴 ∈ ℝ)
22		znq 12964	. . . . . . . . . . . . . . . 16 ⊢ ((𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ) → (𝑝 / 𝑞) ∈ ℚ)
23		qre 12965	. . . . . . . . . . . . . . . 16 ⊢ ((𝑝 / 𝑞) ∈ ℚ → (𝑝 / 𝑞) ∈ ℝ)
24	22, 23	syl 17	. . . . . . . . . . . . . . 15 ⊢ ((𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ) → (𝑝 / 𝑞) ∈ ℝ)
25	24	adantl 480	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑝 / 𝑞) ∈ ℝ)
26	21, 25	resubcld 11670	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝐴 − (𝑝 / 𝑞)) ∈ ℝ)
27	26	recnd 11270	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝐴 − (𝑝 / 𝑞)) ∈ ℂ)
28	27	abscld 15413	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ)
29	18, 20, 28	3jca 1125	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → ((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ ∧ 1 ∈ ℝ ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ))
30	29	adantr 479	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → ((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ ∧ 1 ∈ ℝ ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ))
31	16	rprecred 13057	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (1 / (𝑞↑𝑁)) ∈ ℝ)
32	11	rpred 13046	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → if(𝑎 ≤ 1, 𝑎, 1) ∈ ℝ)
33		simplr 767	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑎 ∈ ℝ⁺)
34	33	rpred 13046	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑎 ∈ ℝ)
35		min2 13199	. . . . . . . . . . . . . 14 ⊢ ((𝑎 ∈ ℝ ∧ 1 ∈ ℝ) → if(𝑎 ≤ 1, 𝑎, 1) ≤ 1)
36	34, 19, 35	sylancl 584	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → if(𝑎 ≤ 1, 𝑎, 1) ≤ 1)
37	32, 20, 16, 36	lediv1dd 13104	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (1 / (𝑞↑𝑁)))
38	14	nnnn0d 12560	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑁 ∈ ℕ₀)
39	12, 38	nnexpcld 14237	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑞↑𝑁) ∈ ℕ)
40		1nn 12251	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℕ
41	40	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 1 ∈ ℕ)
42	39, 41	nnmulcld 12293	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → ((𝑞↑𝑁) · 1) ∈ ℕ)
43	42	nnge1d 12288	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 1 ≤ ((𝑞↑𝑁) · 1))
44	20, 20, 16	ledivmuld 13099	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → ((1 / (𝑞↑𝑁)) ≤ 1 ↔ 1 ≤ ((𝑞↑𝑁) · 1)))
45	43, 44	mpbird 256	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (1 / (𝑞↑𝑁)) ≤ 1)
46	18, 31, 20, 37, 45	letrd 11399	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ 1)
47	46	adantr 479	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ 1)
48		ltle 11330	. . . . . . . . . . . 12 ⊢ ((1 ∈ ℝ ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ) → (1 < (abs‘(𝐴 − (𝑝 / 𝑞))) → 1 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
49	19, 28, 48	sylancr 585	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (1 < (abs‘(𝐴 − (𝑝 / 𝑞))) → 1 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
50	49	imp 405	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → 1 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))
51	47, 50	jca 510	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → ((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ 1 ∧ 1 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
52		letr 11336	. . . . . . . . 9 ⊢ (((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ ∧ 1 ∈ ℝ ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ) → (((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ 1 ∧ 1 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
53	30, 51, 52	sylc 65	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))
54	53	olcd 872	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
55	54	2a1d 26	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → ((((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → (𝐴 = (𝑝 / 𝑞) ∨ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
56		pm3.21 470	. . . . . . . 8 ⊢ ((abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1 → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1)))
57	56	adantl 480	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1)))
58	33, 16	rpdivcld 13063	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑎 / (𝑞↑𝑁)) ∈ ℝ⁺)
59	58	rpred 13046	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑎 / (𝑞↑𝑁)) ∈ ℝ)
60	18, 59, 28	3jca 1125	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → ((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ ∧ (𝑎 / (𝑞↑𝑁)) ∈ ℝ ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ))
61	60	adantr 479	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → ((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ ∧ (𝑎 / (𝑞↑𝑁)) ∈ ℝ ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ))
62		min1 13198	. . . . . . . . . . . . . 14 ⊢ ((𝑎 ∈ ℝ ∧ 1 ∈ ℝ) → if(𝑎 ≤ 1, 𝑎, 1) ≤ 𝑎)
63	34, 19, 62	sylancl 584	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → if(𝑎 ≤ 1, 𝑎, 1) ≤ 𝑎)
64	32, 34, 16, 63	lediv1dd 13104	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (𝑎 / (𝑞↑𝑁)))
65	64	anim1i 613	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → ((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (𝑎 / (𝑞↑𝑁)) ∧ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
66		letr 11336	. . . . . . . . . . 11 ⊢ (((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ ∧ (𝑎 / (𝑞↑𝑁)) ∈ ℝ ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ) → (((if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (𝑎 / (𝑞↑𝑁)) ∧ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
67	61, 65, 66	sylc 65	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))
68	67	ex 411	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → ((𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
69	68	adantr 479	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → ((𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
70	69	orim2d 964	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → ((𝐴 = (𝑝 / 𝑞) ∨ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
71	57, 70	imim12d 81	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → ((((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → (𝐴 = (𝑝 / 𝑞) ∨ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
72	55, 71, 20, 28	ltlecasei 11350	. . . . 5 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → ((((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → (𝐴 = (𝑝 / 𝑞) ∨ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
73	72	ralimdvva 3195	. . . 4 ⊢ ((𝜑 ∧ 𝑎 ∈ ℝ⁺) → (∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ (((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → (𝐴 = (𝑝 / 𝑞) ∨ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
74		oveq1 7422	. . . . . . . . 9 ⊢ (𝑥 = if(𝑎 ≤ 1, 𝑎, 1) → (𝑥 / (𝑞↑𝑁)) = (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)))
75	74	breq1d 5153	. . . . . . . 8 ⊢ (𝑥 = if(𝑎 ≤ 1, 𝑎, 1) → ((𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))) ↔ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
76	75	orbi2d 913	. . . . . . 7 ⊢ (𝑥 = if(𝑎 ≤ 1, 𝑎, 1) → ((𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))) ↔ (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
77	76	imbi2d 339	. . . . . 6 ⊢ (𝑥 = if(𝑎 ≤ 1, 𝑎, 1) → (((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) ↔ ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
78	77	2ralbidv 3209	. . . . 5 ⊢ (𝑥 = if(𝑎 ≤ 1, 𝑎, 1) → (∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) ↔ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
79	78	rspcev 3602	. . . 4 ⊢ ((if(𝑎 ≤ 1, 𝑎, 1) ∈ ℝ⁺ ∧ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))) → ∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))))
80	10, 73, 79	syl6an 682	. . 3 ⊢ ((𝜑 ∧ 𝑎 ∈ ℝ⁺) → (∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ (((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → (𝐴 = (𝑝 / 𝑞) ∨ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
81	80	rexlimdva 3145	. 2 ⊢ (𝜑 → (∃𝑎 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ (((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1) → (𝐴 = (𝑝 / 𝑞) ∨ (𝑎 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))) → ∃𝑥 ∈ ℝ⁺ ∀𝑝 ∈ ℤ ∀𝑞 ∈ ℕ ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → (𝐴 = (𝑝 / 𝑞) ∨ (𝑥 / (𝑞↑𝑁)) ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))))
82	6, 81	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: → wi 4 ∧ wa 394 ∨ wo 845 ∧ w3a 1084 = wceq 1533 ∈ wcel 2098 ≠ wne 2930 ∀wral 3051 ∃wrex 3060 ifcif 4524 class class class wbr 5143 ‘cfv 6542 (class class class)co 7415 ℝcr 11135 0cc0 11136 1c1 11137 · cmul 11141 < clt 11276 ≤ cle 11277 − cmin 11472 / cdiv 11899 ℕcn 12240 ℤcz 12586 ℚcq 12960 ℝ⁺crp 13004 ↑cexp 14056 abscabs 15211 Polycply 26134 degcdgr 26137

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-rep 5280 ax-sep 5294 ax-nul 5301 ax-pow 5359 ax-pr 5423 ax-un 7737 ax-inf2 9662 ax-cnex 11192 ax-resscn 11193 ax-1cn 11194 ax-icn 11195 ax-addcl 11196 ax-addrcl 11197 ax-mulcl 11198 ax-mulrcl 11199 ax-mulcom 11200 ax-addass 11201 ax-mulass 11202 ax-distr 11203 ax-i2m1 11204 ax-1ne0 11205 ax-1rid 11206 ax-rnegex 11207 ax-rrecex 11208 ax-cnre 11209 ax-pre-lttri 11210 ax-pre-lttrn 11211 ax-pre-ltadd 11212 ax-pre-mulgt0 11213 ax-pre-sup 11214 ax-addf 11215

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3770 df-csb 3886 df-dif 3943 df-un 3945 df-in 3947 df-ss 3957 df-pss 3960 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-tp 4629 df-op 4631 df-uni 4904 df-int 4945 df-iun 4993 df-iin 4994 df-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-se 5628 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6494 df-fun 6544 df-fn 6545 df-f 6546 df-f1 6547 df-fo 6548 df-f1o 6549 df-fv 6550 df-isom 6551 df-riota 7371 df-ov 7418 df-oprab 7419 df-mpo 7420 df-of 7681 df-om 7868 df-1st 7989 df-2nd 7990 df-supp 8162 df-frecs 8283 df-wrecs 8314 df-recs 8388 df-rdg 8427 df-1o 8483 df-2o 8484 df-er 8721 df-map 8843 df-pm 8844 df-ixp 8913 df-en 8961 df-dom 8962 df-sdom 8963 df-fin 8964 df-fsupp 9384 df-fi 9432 df-sup 9463 df-inf 9464 df-oi 9531 df-card 9960 df-pnf 11278 df-mnf 11279 df-xr 11280 df-ltxr 11281 df-le 11282 df-sub 11474 df-neg 11475 df-div 11900 df-nn 12241 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 df-7 12308 df-8 12309 df-9 12310 df-n0 12501 df-z 12587 df-dec 12706 df-uz 12851 df-q 12961 df-rp 13005 df-xneg 13122 df-xadd 13123 df-xmul 13124 df-ioo 13358 df-ico 13360 df-icc 13361 df-fz 13515 df-fzo 13658 df-fl 13787 df-seq 13997 df-exp 14057 df-hash 14320 df-cj 15076 df-re 15077 df-im 15078 df-sqrt 15212 df-abs 15213 df-clim 15462 df-rlim 15463 df-sum 15663 df-struct 17113 df-sets 17130 df-slot 17148 df-ndx 17160 df-base 17178 df-ress 17207 df-plusg 17243 df-mulr 17244 df-starv 17245 df-sca 17246 df-vsca 17247 df-ip 17248 df-tset 17249 df-ple 17250 df-ds 17252 df-unif 17253 df-hom 17254 df-cco 17255 df-rest 17401 df-topn 17402 df-0g 17420 df-gsum 17421 df-topgen 17422 df-pt 17423 df-prds 17426 df-xrs 17481 df-qtop 17486 df-imas 17487 df-xps 17489 df-mre 17563 df-mrc 17564 df-acs 17566 df-mgm 18597 df-sgrp 18676 df-mnd 18692 df-submnd 18738 df-grp 18895 df-minusg 18896 df-mulg 19026 df-subg 19080 df-cntz 19270 df-cmn 19739 df-abl 19740 df-mgp 20077 df-rng 20095 df-ur 20124 df-ring 20177 df-cring 20178 df-subrng 20485 df-subrg 20510 df-psmet 21273 df-xmet 21274 df-met 21275 df-bl 21276 df-mopn 21277 df-fbas 21278 df-fg 21279 df-cnfld 21282 df-top 22812 df-topon 22829 df-topsp 22851 df-bases 22865 df-cld 22939 df-ntr 22940 df-cls 22941 df-nei 23018 df-lp 23056 df-perf 23057 df-cn 23147 df-cnp 23148 df-haus 23235 df-cmp 23307 df-tx 23482 df-hmeo 23675 df-fil 23766 df-fm 23858 df-flim 23859 df-flf 23860 df-xms 24242 df-ms 24243 df-tms 24244 df-cncf 24814 df-0p 25615 df-limc 25811 df-dv 25812 df-dvn 25813 df-cpn 25814 df-ply 26138 df-coe 26140 df-dgr 26141

This theorem is referenced by: aalioulem6 26288

W3C validator