cau3lem - Metamath Proof Explorer

	Metamath Proof Explorer		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > cau3lem		Structured version Visualization version GIF version

Theorem cau3lem 15392

Description: Lemma for cau3 15393. (Contributed by Mario Carneiro, 15-Feb-2014.) (Revised by Mario Carneiro, 1-May-2014.)

**Hypotheses**
Ref	Expression
cau3lem.1	⊢ 𝑍 ⊆ ℤ
cau3lem.2	⊢ (𝜏 → 𝜓)
cau3lem.3	⊢ ((𝐹‘𝑘) = (𝐹‘𝑗) → (𝜓 ↔ 𝜒))
cau3lem.4	⊢ ((𝐹‘𝑘) = (𝐹‘𝑚) → (𝜓 ↔ 𝜃))
cau3lem.5	⊢ ((𝜑 ∧ 𝜒 ∧ 𝜓) → (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) = (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))))
cau3lem.6	⊢ ((𝜑 ∧ 𝜃 ∧ 𝜒) → (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) = (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))))
cau3lem.7	⊢ ((𝜑 ∧ (𝜓 ∧ 𝜃) ∧ (𝜒 ∧ 𝑥 ∈ ℝ)) → (((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) ∧ (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < (𝑥 / 2)) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))

**Assertion**
Ref	Expression
cau3lem	⊢ (𝜑 → (∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥) ↔ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))

Distinct variable groups: 𝑘,𝑚,𝜒 𝑥,𝑘,𝐷,𝑚 𝑘,𝐹,𝑚,𝑥 𝑗,𝑘,𝑚,𝑥,𝜑 𝑘,𝐺,𝑚,𝑥 𝜓,𝑚,𝑥 𝜏,𝑥 𝜃,𝑘 𝑥,𝑍 Allowed substitution hints: 𝜓(𝑗,𝑘) 𝜒(𝑥,𝑗) 𝜃(𝑥,𝑗,𝑚) 𝜏(𝑗,𝑘,𝑚) 𝐷(𝑗) 𝐹(𝑗) 𝐺(𝑗) 𝑍(𝑗,𝑘,𝑚)

Proof of Theorem cau3lem Dummy variable 𝑧 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		breq2 5105	. . . . . 6 ⊢ (𝑥 = 𝑧 → ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥 ↔ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧))
2	1	anbi2d 639	. . . . 5 ⊢ (𝑥 = 𝑧 → ((𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥) ↔ (𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧)))
3	2	rexralbidv 3229	. . . 4 ⊢ (𝑥 = 𝑧 → (∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥) ↔ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧)))
4	3	cbvralvw 3241	. . 3 ⊢ (∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥) ↔ ∀𝑧 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧))
5		rphalfcl 13032	. . . . . . 7 ⊢ (𝑥 ∈ ℝ⁺ → (𝑥 / 2) ∈ ℝ⁺)
6		breq2 5105	. . . . . . . . . 10 ⊢ (𝑧 = (𝑥 / 2) → ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧 ↔ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))
7	6	anbi2d 639	. . . . . . . . 9 ⊢ (𝑧 = (𝑥 / 2) → ((𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧) ↔ (𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
8	7	rexralbidv 3229	. . . . . . . 8 ⊢ (𝑧 = (𝑥 / 2) → (∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧) ↔ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
9	8	rspcv 3578	. . . . . . 7 ⊢ ((𝑥 / 2) ∈ ℝ⁺ → (∀𝑧 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
10	5, 9	syl 17	. . . . . 6 ⊢ (𝑥 ∈ ℝ⁺ → (∀𝑧 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
11	10	adantl 485	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ⁺) → (∀𝑧 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
12		cau3lem.2	. . . . . . . . . 10 ⊢ (𝜏 → 𝜓)
13	12	ralimi 3100	. . . . . . . . 9 ⊢ (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 → ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓)
14		r19.26 3123	. . . . . . . . . . . . 13 ⊢ (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) ↔ (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))
15		fveq2 6867	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑘 = 𝑚 → (𝐹‘𝑘) = (𝐹‘𝑚))
16		cau3lem.4	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝐹‘𝑘) = (𝐹‘𝑚) → (𝜓 ↔ 𝜃))
17	15, 16	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ (𝑘 = 𝑚 → (𝜓 ↔ 𝜃))
18	15	fvoveq1d 7418	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑘 = 𝑚 → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) = (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))))
19	18	breq1d 5111	. . . . . . . . . . . . . . . . 17 ⊢ (𝑘 = 𝑚 → ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) ↔ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))
20	17, 19	anbi12d 641	. . . . . . . . . . . . . . . 16 ⊢ (𝑘 = 𝑚 → ((𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) ↔ (𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
21	20	cbvralvw 3241	. . . . . . . . . . . . . . 15 ⊢ (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) ↔ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))
22	21	biimpi 218	. . . . . . . . . . . . . 14 ⊢ (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))
23	22	a1i 11	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
24	14, 23	biimtrrid 245	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) → ((∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
25	24	expdimp 456	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))))
26		cau3lem.1	. . . . . . . . . . . . . . 15 ⊢ 𝑍 ⊆ ℤ
27	26	sseli 3933	. . . . . . . . . . . . . 14 ⊢ (𝑗 ∈ 𝑍 → 𝑗 ∈ ℤ)
28		uzid 12864	. . . . . . . . . . . . . 14 ⊢ (𝑗 ∈ ℤ → 𝑗 ∈ (ℤ_≥‘𝑗))
29	27, 28	syl 17	. . . . . . . . . . . . 13 ⊢ (𝑗 ∈ 𝑍 → 𝑗 ∈ (ℤ_≥‘𝑗))
30		fveq2 6867	. . . . . . . . . . . . . . 15 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗))
31		cau3lem.3	. . . . . . . . . . . . . . 15 ⊢ ((𝐹‘𝑘) = (𝐹‘𝑗) → (𝜓 ↔ 𝜒))
32	30, 31	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑘 = 𝑗 → (𝜓 ↔ 𝜒))
33	32	rspcva 3580	. . . . . . . . . . . . 13 ⊢ ((𝑗 ∈ (ℤ_≥‘𝑗) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → 𝜒)
34	29, 33	sylan 589	. . . . . . . . . . . 12 ⊢ ((𝑗 ∈ 𝑍 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → 𝜒)
35	34	adantll 724	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → 𝜒)
36	25, 35	jctild 533	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → (𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))))
37		simplll 784	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → 𝜑)
38		simplrr 787	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → 𝜃)
39		simplrl 786	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → 𝜒)
40		cau3lem.6	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 ⊢ ((𝜑 ∧ 𝜃 ∧ 𝜒) → (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) = (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))))
41	37, 38, 39, 40	syl3anc 1392	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) = (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))))
42	41	breq1d 5111	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → ((𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2) ↔ (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < (𝑥 / 2)))
43	42	anbi2d 639	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → (((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) ↔ ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) ∧ (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < (𝑥 / 2))))
44		simpr 488	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → 𝜓)
45		simpllr 785	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → 𝑥 ∈ ℝ⁺)
46	45	rpred 13047	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → 𝑥 ∈ ℝ)
47		cau3lem.7	. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜃) ∧ (𝜒 ∧ 𝑥 ∈ ℝ)) → (((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) ∧ (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < (𝑥 / 2)) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
48	37, 44, 38, 39, 46, 47	syl122anc 1400	. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → (((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) ∧ (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < (𝑥 / 2)) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
49	43, 48	sylbid 242	. . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → (((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
50	49	expd 419	. . . . . . . . . . . . . . . . . . . . . . . . . . 27 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ 𝜓) → ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → ((𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
51	50	impr 458	. . . . . . . . . . . . . . . . . . . . . . . . . 26 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ 𝜃)) ∧ (𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) → ((𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
52	51	an32s 662	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) ∧ (𝜒 ∧ 𝜃)) → ((𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
53	52	anassrs 471	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) ∧ 𝜒) ∧ 𝜃) → ((𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
54	53	expimpd 457	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) ∧ 𝜒) → ((𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
55	54	ralimdv 3177	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) ∧ 𝜒) → (∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
56	55	impr 458	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) ∧ (𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))) → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)
57	56	an32s 662	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))) ∧ (𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)
58	57	expr 460	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))) ∧ 𝜓) → ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
59		uzss 12872	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑘 ∈ (ℤ_≥‘𝑗) → (ℤ_≥‘𝑘) ⊆ (ℤ_≥‘𝑗))
60		ssralv 4006	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((ℤ_≥‘𝑘) ⊆ (ℤ_≥‘𝑗) → (∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥 → ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
61	59, 60	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑘 ∈ (ℤ_≥‘𝑗) → (∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥 → ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
62	58, 61	sylan9 515	. . . . . . . . . . . . . . . . . 18 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))) ∧ 𝜓) ∧ 𝑘 ∈ (ℤ_≥‘𝑗)) → ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
63	62	an32s 662	. . . . . . . . . . . . . . . . 17 ⊢ (((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))) ∧ 𝑘 ∈ (ℤ_≥‘𝑗)) ∧ 𝜓) → ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
64	63	expimpd 457	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))) ∧ 𝑘 ∈ (ℤ_≥‘𝑗)) → ((𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
65	64	ralimdva 3175	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ (𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
66	65	ex 416	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ⁺) → ((𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
67	66	com23 86	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ⁺) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ((𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) → ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
68	67	adantr 484	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜓 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ((𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) → ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
69	14, 68	biimtrrid 245	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) → ((∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ((𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) → ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
70	69	expdimp 456	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → ((𝜒 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝜃 ∧ (𝐺‘((𝐹‘𝑚)𝐷(𝐹‘𝑗))) < (𝑥 / 2))) → ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
71	36, 70	mpdd 43	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
72	13, 71	sylan2 602	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2) → ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
73	72	imdistanda 579	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) → ((∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
74		r19.26 3123	. . . . . . 7 ⊢ (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) ↔ (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)))
75		r19.26 3123	. . . . . . 7 ⊢ (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥) ↔ (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥))
76	73, 74, 75	3imtr4g 298	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ⁺) ∧ 𝑗 ∈ 𝑍) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
77	76	reximdva 3176	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ⁺) → (∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < (𝑥 / 2)) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
78	11, 77	syld 47	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ⁺) → (∀𝑧 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
79	78	ralrimdva 3163	. . 3 ⊢ (𝜑 → (∀𝑧 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑧) → ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
80	4, 79	biimtrid 244	. 2 ⊢ (𝜑 → (∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥) → ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))
81		fveq2 6867	. . . . . . . . . . . 12 ⊢ (𝑘 = 𝑗 → (ℤ_≥‘𝑘) = (ℤ_≥‘𝑗))
82	30	fvoveq1d 7418	. . . . . . . . . . . . 13 ⊢ (𝑘 = 𝑗 → (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) = (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))))
83	82	breq1d 5111	. . . . . . . . . . . 12 ⊢ (𝑘 = 𝑗 → ((𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥 ↔ (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < 𝑥))
84	81, 83	raleqbidv 3337	. . . . . . . . . . 11 ⊢ (𝑘 = 𝑗 → (∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥 ↔ ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < 𝑥))
85	84	rspcv 3578	. . . . . . . . . 10 ⊢ (𝑗 ∈ (ℤ_≥‘𝑗) → (∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥 → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < 𝑥))
86	85	ad2antlr 737	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥 → ∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < 𝑥))
87		fveq2 6867	. . . . . . . . . . . . . 14 ⊢ (𝑚 = 𝑘 → (𝐹‘𝑚) = (𝐹‘𝑘))
88	87	oveq2d 7412	. . . . . . . . . . . . 13 ⊢ (𝑚 = 𝑘 → ((𝐹‘𝑗)𝐷(𝐹‘𝑚)) = ((𝐹‘𝑗)𝐷(𝐹‘𝑘)))
89	88	fveq2d 6871	. . . . . . . . . . . 12 ⊢ (𝑚 = 𝑘 → (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) = (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))))
90	89	breq1d 5111	. . . . . . . . . . 11 ⊢ (𝑚 = 𝑘 → ((𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < 𝑥 ↔ (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥))
91	90	cbvralvw 3241	. . . . . . . . . 10 ⊢ (∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < 𝑥 ↔ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥)
92	33	anim2i 626	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑗 ∈ (ℤ_≥‘𝑗) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓)) → (𝜑 ∧ 𝜒))
93	92	anassrs 471	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (𝜑 ∧ 𝜒))
94		simpr 488	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓)
95		cau3lem.5	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜓) → (𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) = (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))))
96	95	breq1d 5111	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝜒 ∧ 𝜓) → ((𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥 ↔ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥))
97	96	3expia 1135	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝜒) → (𝜓 → ((𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥 ↔ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥)))
98	97	ralimdv 3177	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝜒) → (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓 → ∀𝑘 ∈ (ℤ_≥‘𝑗)((𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥 ↔ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥)))
99	93, 94, 98	sylc 65	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → ∀𝑘 ∈ (ℤ_≥‘𝑗)((𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥 ↔ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥))
100		ralbi 3118	. . . . . . . . . . 11 ⊢ (∀𝑘 ∈ (ℤ_≥‘𝑗)((𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥 ↔ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥 ↔ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥))
101	99, 100	syl 17	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑘))) < 𝑥 ↔ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥))
102	91, 101	bitrid 285	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (∀𝑚 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑗)𝐷(𝐹‘𝑚))) < 𝑥 ↔ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥))
103	86, 102	sylibd 241	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜓) → (∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥 → ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥))
104	13, 103	sylan2 602	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏) → (∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥 → ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥))
105	104	imdistanda 579	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (ℤ_≥‘𝑗)) → ((∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥) → (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥)))
106	29, 105	sylan2 602	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥) → (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥)))
107		r19.26 3123	. . . . 5 ⊢ (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥) ↔ (∀𝑘 ∈ (ℤ_≥‘𝑗)𝜏 ∧ ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥))
108	106, 75, 107	3imtr4g 298	. . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥) → ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥)))
109	108	reximdva 3176	. . 3 ⊢ (𝜑 → (∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥)))
110	109	ralimdv 3177	. 2 ⊢ (𝜑 → (∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥) → ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥)))
111	80, 110	impbid 214	1 ⊢ (𝜑 → (∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ (𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑗))) < 𝑥) ↔ ∀𝑥 ∈ ℝ⁺ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ_≥‘𝑗)(𝜏 ∧ ∀𝑚 ∈ (ℤ_≥‘𝑘)(𝐺‘((𝐹‘𝑘)𝐷(𝐹‘𝑚))) < 𝑥)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 ∧ w3a 1099 = wceq 1561 ∈ wcel 2143 ∀wral 3077 ∃wrex 3087 ⊆ wss 3905 class class class wbr 5101 ‘cfv 6521 (class class class)co 7396 ℝcr 11083 < clt 11227 / cdiv 11855 2c2 12282 ℤcz 12578 ℤ_≥cuz 12849 ℝ⁺crp 13003

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7718 ax-cnex 11140 ax-resscn 11141 ax-1cn 11142 ax-icn 11143 ax-addcl 11144 ax-addrcl 11145 ax-mulcl 11146 ax-mulrcl 11147 ax-mulcom 11148 ax-addass 11149 ax-mulass 11150 ax-distr 11151 ax-i2m1 11152 ax-1ne0 11153 ax-1rid 11154 ax-rnegex 11155 ax-rrecex 11156 ax-cnre 11157 ax-pre-lttri 11158 ax-pre-lttrn 11159 ax-pre-ltadd 11160 ax-pre-mulgt0 11161

This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-om 7847 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-er 8678 df-en 8928 df-dom 8929 df-sdom 8930 df-pnf 11229 df-mnf 11230 df-xr 11231 df-ltxr 11232 df-le 11233 df-sub 11427 df-neg 11428 df-div 11856 df-nn 12221 df-2 12290 df-z 12579 df-uz 12850 df-rp 13004

This theorem is referenced by: cau3 15393 iscau3 25347

W3C validator