aalioulem5 - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > aalioulem5		Structured version Visualization version GIF version

Theorem aalioulem5 25840

Description: Lemma for aaliou 25842. (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 25839	. 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 485	. . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ ℝ⁺) → 𝑎 ∈ ℝ⁺)
8		1rp 12974	. . . . 5 ⊢ 1 ∈ ℝ⁺
9		ifcl 4572	. . . . 5 ⊢ ((𝑎 ∈ ℝ⁺ ∧ 1 ∈ ℝ⁺) → if(𝑎 ≤ 1, 𝑎, 1) ∈ ℝ⁺)
10	7, 8, 9	sylancl 586	. . . 4 ⊢ ((𝜑 ∧ 𝑎 ∈ ℝ⁺) → if(𝑎 ≤ 1, 𝑎, 1) ∈ ℝ⁺)
11	10	adantr 481	. . . . . . . . . . . . 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 13010	. . . . . . . . . . . . . 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 12581	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑁 ∈ ℤ)
16	13, 15	rpexpcld 14206	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑞↑𝑁) ∈ ℝ⁺)
17	11, 16	rpdivcld 13029	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ⁺)
18	17	rpred 13012	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ∈ ℝ)
19		1re 11210	. . . . . . . . . . . 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 12932	. . . . . . . . . . . . . . . 16 ⊢ ((𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ) → (𝑝 / 𝑞) ∈ ℚ)
23		qre 12933	. . . . . . . . . . . . . . . 16 ⊢ ((𝑝 / 𝑞) ∈ ℚ → (𝑝 / 𝑞) ∈ ℝ)
24	22, 23	syl 17	. . . . . . . . . . . . . . 15 ⊢ ((𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ) → (𝑝 / 𝑞) ∈ ℝ)
25	24	adantl 482	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑝 / 𝑞) ∈ ℝ)
26	21, 25	resubcld 11638	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝐴 − (𝑝 / 𝑞)) ∈ ℝ)
27	26	recnd 11238	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝐴 − (𝑝 / 𝑞)) ∈ ℂ)
28	27	abscld 15379	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ)
29	18, 20, 28	3jca 1128	. . . . . . . . . 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 481	. . . . . . . . 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 13023	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (1 / (𝑞↑𝑁)) ∈ ℝ)
32	11	rpred 13012	. . . . . . . . . . . . 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 13012	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑎 ∈ ℝ)
35		min2 13165	. . . . . . . . . . . . . 14 ⊢ ((𝑎 ∈ ℝ ∧ 1 ∈ ℝ) → if(𝑎 ≤ 1, 𝑎, 1) ≤ 1)
36	34, 19, 35	sylancl 586	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → if(𝑎 ≤ 1, 𝑎, 1) ≤ 1)
37	32, 20, 16, 36	lediv1dd 13070	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (1 / (𝑞↑𝑁)))
38	14	nnnn0d 12528	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 𝑁 ∈ ℕ₀)
39	12, 38	nnexpcld 14204	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑞↑𝑁) ∈ ℕ)
40		1nn 12219	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℕ
41	40	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 1 ∈ ℕ)
42	39, 41	nnmulcld 12261	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → ((𝑞↑𝑁) · 1) ∈ ℕ)
43	42	nnge1d 12256	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → 1 ≤ ((𝑞↑𝑁) · 1))
44	20, 20, 16	ledivmuld 13065	. . . . . . . . . . . . 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 11367	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ 1)
47	46	adantr 481	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ 1)
48		ltle 11298	. . . . . . . . . . . 12 ⊢ ((1 ∈ ℝ ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ∈ ℝ) → (1 < (abs‘(𝐴 − (𝑝 / 𝑞))) → 1 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
49	19, 28, 48	sylancr 587	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (1 < (abs‘(𝐴 − (𝑝 / 𝑞))) → 1 ≤ (abs‘(𝐴 − (𝑝 / 𝑞)))))
50	49	imp 407	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) ∧ 1 < (abs‘(𝐴 − (𝑝 / 𝑞)))) → 1 ≤ (abs‘(𝐴 − (𝑝 / 𝑞))))
51	47, 50	jca 512	. . . . . . . . 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 11304	. . . . . . . . 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		pm3.21 472	. . . . . . . 8 ⊢ ((abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1 → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 → ((𝐹‘(𝑝 / 𝑞)) ≠ 0 ∧ (abs‘(𝐴 − (𝑝 / 𝑞))) ≤ 1)))
57	56	adantl 482	. . . . . . 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 13029	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑎 / (𝑞↑𝑁)) ∈ ℝ⁺)
59	58	rpred 13012	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (𝑎 / (𝑞↑𝑁)) ∈ ℝ)
60	18, 59, 28	3jca 1128	. . . . . . . . . . . 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 481	. . . . . . . . . . 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 13164	. . . . . . . . . . . . . 14 ⊢ ((𝑎 ∈ ℝ ∧ 1 ∈ ℝ) → if(𝑎 ≤ 1, 𝑎, 1) ≤ 𝑎)
63	34, 19, 62	sylancl 586	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → if(𝑎 ≤ 1, 𝑎, 1) ≤ 𝑎)
64	32, 34, 16, 63	lediv1dd 13070	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ ℝ⁺) ∧ (𝑝 ∈ ℤ ∧ 𝑞 ∈ ℕ)) → (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)) ≤ (𝑎 / (𝑞↑𝑁)))
65	64	anim1i 615	. . . . . . . . . . 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 11304	. . . . . . . . . . 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 413	. . . . . . . . 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 481	. . . . . . . 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 965	. . . . . . 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 11318	. . . . 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 3204	. . . 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 7412	. . . . . . . . 9 ⊢ (𝑥 = if(𝑎 ≤ 1, 𝑎, 1) → (𝑥 / (𝑞↑𝑁)) = (if(𝑎 ≤ 1, 𝑎, 1) / (𝑞↑𝑁)))
75	74	breq1d 5157	. . . . . . . 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 914	. . . . . . 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 340	. . . . . 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 3218	. . . . 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 3612	. . . 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 3155	. 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 396 ∨ wo 845 ∧ w3a 1087 = wceq 1541 ∈ wcel 2106 ≠ wne 2940 ∀wral 3061 ∃wrex 3070 ifcif 4527 class class class wbr 5147 ‘cfv 6540 (class class class)co 7405 ℝcr 11105 0cc0 11106 1c1 11107 · cmul 11111 < clt 11244 ≤ cle 11245 − cmin 11440 / cdiv 11867 ℕcn 12208 ℤcz 12554 ℚcq 12928 ℝ⁺crp 12970 ↑cexp 14023 abscabs 15177 Polycply 25689 degcdgr 25692

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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7721 ax-inf2 9632 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-pre-sup 11184 ax-addf 11185 ax-mulf 11186

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-tp 4632 df-op 4634 df-uni 4908 df-int 4950 df-iun 4998 df-iin 4999 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-se 5631 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-pred 6297 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-isom 6549 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-of 7666 df-om 7852 df-1st 7971 df-2nd 7972 df-supp 8143 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-1o 8462 df-2o 8463 df-er 8699 df-map 8818 df-pm 8819 df-ixp 8888 df-en 8936 df-dom 8937 df-sdom 8938 df-fin 8939 df-fsupp 9358 df-fi 9402 df-sup 9433 df-inf 9434 df-oi 9501 df-card 9930 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-nn 12209 df-2 12271 df-3 12272 df-4 12273 df-5 12274 df-6 12275 df-7 12276 df-8 12277 df-9 12278 df-n0 12469 df-z 12555 df-dec 12674 df-uz 12819 df-q 12929 df-rp 12971 df-xneg 13088 df-xadd 13089 df-xmul 13090 df-ioo 13324 df-ico 13326 df-icc 13327 df-fz 13481 df-fzo 13624 df-fl 13753 df-seq 13963 df-exp 14024 df-hash 14287 df-cj 15042 df-re 15043 df-im 15044 df-sqrt 15178 df-abs 15179 df-clim 15428 df-rlim 15429 df-sum 15629 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17141 df-ress 17170 df-plusg 17206 df-mulr 17207 df-starv 17208 df-sca 17209 df-vsca 17210 df-ip 17211 df-tset 17212 df-ple 17213 df-ds 17215 df-unif 17216 df-hom 17217 df-cco 17218 df-rest 17364 df-topn 17365 df-0g 17383 df-gsum 17384 df-topgen 17385 df-pt 17386 df-prds 17389 df-xrs 17444 df-qtop 17449 df-imas 17450 df-xps 17452 df-mre 17526 df-mrc 17527 df-acs 17529 df-mgm 18557 df-sgrp 18606 df-mnd 18622 df-submnd 18668 df-grp 18818 df-minusg 18819 df-mulg 18945 df-subg 18997 df-cntz 19175 df-cmn 19644 df-mgp 19982 df-ur 19999 df-ring 20051 df-cring 20052 df-subrg 20353 df-psmet 20928 df-xmet 20929 df-met 20930 df-bl 20931 df-mopn 20932 df-fbas 20933 df-fg 20934 df-cnfld 20937 df-top 22387 df-topon 22404 df-topsp 22426 df-bases 22440 df-cld 22514 df-ntr 22515 df-cls 22516 df-nei 22593 df-lp 22631 df-perf 22632 df-cn 22722 df-cnp 22723 df-haus 22810 df-cmp 22882 df-tx 23057 df-hmeo 23250 df-fil 23341 df-fm 23433 df-flim 23434 df-flf 23435 df-xms 23817 df-ms 23818 df-tms 23819 df-cncf 24385 df-0p 25178 df-limc 25374 df-dv 25375 df-dvn 25376 df-cpn 25377 df-ply 25693 df-coe 25695 df-dgr 25696

This theorem is referenced by: aalioulem6 25841

W3C validator