ftc1cnnclem - Mathbox for Brendan Leahy

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Theorem ftc1cnnclem 35128

Description: Lemma for ftc1cnnc 35129; cf. ftc1lem4 24642. The stronger assumptions of ftc1cn 24646 are exploited to make use of weaker theorems. (Contributed by Brendan Leahy, 19-Nov-2017.)

**Hypotheses**
Ref	Expression
ftc1cnnc.g	⊢ 𝐺 = (𝑥 ∈ (𝐴[,]𝐵) ↦ ∫(𝐴(,)𝑥)(𝐹‘𝑡) d𝑡)
ftc1cnnc.a	⊢ (𝜑 → 𝐴 ∈ ℝ)
ftc1cnnc.b	⊢ (𝜑 → 𝐵 ∈ ℝ)
ftc1cnnc.le	⊢ (𝜑 → 𝐴 ≤ 𝐵)
ftc1cnnc.f	⊢ (𝜑 → 𝐹 ∈ ((𝐴(,)𝐵)–cn→ℂ))
ftc1cnnc.i	⊢ (𝜑 → 𝐹 ∈ 𝐿¹)
ftc1cnnclem.c	⊢ (𝜑 → 𝑐 ∈ (𝐴(,)𝐵))
ftc1cnnclem.h	⊢ 𝐻 = (𝑧 ∈ ((𝐴[,]𝐵) ∖ {𝑐}) ↦ (((𝐺‘𝑧) − (𝐺‘𝑐)) / (𝑧 − 𝑐)))
ftc1cnnclem.e	⊢ (𝜑 → 𝐸 ∈ ℝ⁺)
ftc1cnnclem.r	⊢ (𝜑 → 𝑅 ∈ ℝ⁺)
ftc1cnnclem.fc	⊢ ((𝜑 ∧ 𝑦 ∈ (𝐴(,)𝐵)) → ((abs‘(𝑦 − 𝑐)) < 𝑅 → (abs‘((𝐹‘𝑦) − (𝐹‘𝑐))) < 𝐸))
ftc1cnnclem.x1	⊢ (𝜑 → 𝑋 ∈ (𝐴[,]𝐵))
ftc1cnnclem.x2	⊢ (𝜑 → (abs‘(𝑋 − 𝑐)) < 𝑅)
ftc1cnnclem.y1	⊢ (𝜑 → 𝑌 ∈ (𝐴[,]𝐵))
ftc1cnnclem.y2	⊢ (𝜑 → (abs‘(𝑌 − 𝑐)) < 𝑅)

**Assertion**
Ref	Expression
ftc1cnnclem	⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘((((𝐺‘𝑌) − (𝐺‘𝑋)) / (𝑌 − 𝑋)) − (𝐹‘𝑐))) < 𝐸)

Distinct variable groups: 𝑥,𝑦,𝑧,𝑡,𝐴 𝑥,𝐵,𝑦,𝑧,𝑡 𝑥,𝐹,𝑦,𝑧,𝑡 𝜑,𝑥,𝑦,𝑧,𝑡 𝑦,𝐺,𝑧 𝑥,𝑐,𝑦,𝑧,𝑡 𝑥,𝑋,𝑧,𝑡 𝑦,𝐸,𝑡 𝑦,𝐻 𝑥,𝑌,𝑡 𝑦,𝑅 Allowed substitution hints: 𝜑(𝑐) 𝐴(𝑐) 𝐵(𝑐) 𝑅(𝑥,𝑧,𝑡,𝑐) 𝐸(𝑥,𝑧,𝑐) 𝐹(𝑐) 𝐺(𝑥,𝑡,𝑐) 𝐻(𝑥,𝑧,𝑡,𝑐) 𝑋(𝑦,𝑐) 𝑌(𝑦,𝑧,𝑐)

**Proof of Theorem ftc1cnnclem**
Step	Hyp	Ref	Expression
1		ovexd 7170	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → ((𝐹‘𝑡) − (𝐹‘𝑐)) ∈ V)
2		ftc1cnnc.a	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐴 ∈ ℝ)
3	2	rexrd 10680	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐴 ∈ ℝ^*)
4		ftc1cnnc.b	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐵 ∈ ℝ)
5	4	rexrd 10680	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐵 ∈ ℝ^*)
6		ftc1cnnclem.x1	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑋 ∈ (𝐴[,]𝐵))
7		elicc1 12770	. . . . . . . . . . . . . . 15 ⊢ ((𝐴 ∈ ℝ^* ∧ 𝐵 ∈ ℝ^) → (𝑋 ∈ (𝐴[,]𝐵) ↔ (𝑋 ∈ ℝ^ ∧ 𝐴 ≤ 𝑋 ∧ 𝑋 ≤ 𝐵)))
8	7	biimpa 480	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℝ^* ∧ 𝐵 ∈ ℝ^) ∧ 𝑋 ∈ (𝐴[,]𝐵)) → (𝑋 ∈ ℝ^ ∧ 𝐴 ≤ 𝑋 ∧ 𝑋 ≤ 𝐵))
9	8	simp2d 1140	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℝ^* ∧ 𝐵 ∈ ℝ^*) ∧ 𝑋 ∈ (𝐴[,]𝐵)) → 𝐴 ≤ 𝑋)
10	3, 5, 6, 9	syl21anc 836	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐴 ≤ 𝑋)
11		ftc1cnnclem.y1	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑌 ∈ (𝐴[,]𝐵))
12		iccleub 12780	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∈ ℝ^* ∧ 𝐵 ∈ ℝ^* ∧ 𝑌 ∈ (𝐴[,]𝐵)) → 𝑌 ≤ 𝐵)
13	3, 5, 11, 12	syl3anc 1368	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑌 ≤ 𝐵)
14		ioossioo 12819	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℝ^* ∧ 𝐵 ∈ ℝ^*) ∧ (𝐴 ≤ 𝑋 ∧ 𝑌 ≤ 𝐵)) → (𝑋(,)𝑌) ⊆ (𝐴(,)𝐵))
15	3, 5, 10, 13, 14	syl22anc 837	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑋(,)𝑌) ⊆ (𝐴(,)𝐵))
16	15	sselda 3915	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑡 ∈ (𝐴(,)𝐵))
17		ftc1cnnc.f	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐹 ∈ ((𝐴(,)𝐵)–cn→ℂ))
18		cncff 23498	. . . . . . . . . . . 12 ⊢ (𝐹 ∈ ((𝐴(,)𝐵)–cn→ℂ) → 𝐹:(𝐴(,)𝐵)⟶ℂ)
19	17, 18	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹:(𝐴(,)𝐵)⟶ℂ)
20	19	ffvelrnda 6828	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝐴(,)𝐵)) → (𝐹‘𝑡) ∈ ℂ)
21	16, 20	syldan 594	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝐹‘𝑡) ∈ ℂ)
22		ioombl 24169	. . . . . . . . . . 11 ⊢ (𝑋(,)𝑌) ∈ dom vol
23	22	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → (𝑋(,)𝑌) ∈ dom vol)
24		fvexd 6660	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝐴(,)𝐵)) → (𝐹‘𝑡) ∈ V)
25	19	feqmptd 6708	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 = (𝑡 ∈ (𝐴(,)𝐵) ↦ (𝐹‘𝑡)))
26		ftc1cnnc.i	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 ∈ 𝐿¹)
27	25, 26	eqeltrrd 2891	. . . . . . . . . 10 ⊢ (𝜑 → (𝑡 ∈ (𝐴(,)𝐵) ↦ (𝐹‘𝑡)) ∈ 𝐿¹)
28	15, 23, 24, 27	iblss 24408	. . . . . . . . 9 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑡)) ∈ 𝐿¹)
29		ftc1cnnclem.c	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑐 ∈ (𝐴(,)𝐵))
30	19, 29	ffvelrnd 6829	. . . . . . . . . 10 ⊢ (𝜑 → (𝐹‘𝑐) ∈ ℂ)
31	30	adantr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝐹‘𝑐) ∈ ℂ)
32		fconstmpt 5578	. . . . . . . . . 10 ⊢ ((𝑋(,)𝑌) × {(𝐹‘𝑐)}) = (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑐))
33		mblvol 24134	. . . . . . . . . . . . 13 ⊢ ((𝑋(,)𝑌) ∈ dom vol → (vol‘(𝑋(,)𝑌)) = (vol*‘(𝑋(,)𝑌)))
34	22, 33	ax-mp 5	. . . . . . . . . . . 12 ⊢ (vol‘(𝑋(,)𝑌)) = (vol*‘(𝑋(,)𝑌))
35		ioossicc 12811	. . . . . . . . . . . . . 14 ⊢ (𝑋(,)𝑌) ⊆ (𝑋[,]𝑌)
36	35	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑋(,)𝑌) ⊆ (𝑋[,]𝑌))
37		iccssre 12807	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴[,]𝐵) ⊆ ℝ)
38	2, 4, 37	syl2anc 587	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐴[,]𝐵) ⊆ ℝ)
39	38, 6	sseldd 3916	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑋 ∈ ℝ)
40	38, 11	sseldd 3916	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑌 ∈ ℝ)
41		iccmbl 24170	. . . . . . . . . . . . . . 15 ⊢ ((𝑋 ∈ ℝ ∧ 𝑌 ∈ ℝ) → (𝑋[,]𝑌) ∈ dom vol)
42	39, 40, 41	syl2anc 587	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (𝑋[,]𝑌) ∈ dom vol)
43		mblss 24135	. . . . . . . . . . . . . 14 ⊢ ((𝑋[,]𝑌) ∈ dom vol → (𝑋[,]𝑌) ⊆ ℝ)
44	42, 43	syl 17	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑋[,]𝑌) ⊆ ℝ)
45		mblvol 24134	. . . . . . . . . . . . . . 15 ⊢ ((𝑋[,]𝑌) ∈ dom vol → (vol‘(𝑋[,]𝑌)) = (vol*‘(𝑋[,]𝑌)))
46	42, 45	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (vol‘(𝑋[,]𝑌)) = (vol*‘(𝑋[,]𝑌)))
47		iccvolcl 24171	. . . . . . . . . . . . . . 15 ⊢ ((𝑋 ∈ ℝ ∧ 𝑌 ∈ ℝ) → (vol‘(𝑋[,]𝑌)) ∈ ℝ)
48	39, 40, 47	syl2anc 587	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (vol‘(𝑋[,]𝑌)) ∈ ℝ)
49	46, 48	eqeltrrd 2891	. . . . . . . . . . . . 13 ⊢ (𝜑 → (vol*‘(𝑋[,]𝑌)) ∈ ℝ)
50		ovolsscl 24090	. . . . . . . . . . . . 13 ⊢ (((𝑋(,)𝑌) ⊆ (𝑋[,]𝑌) ∧ (𝑋[,]𝑌) ⊆ ℝ ∧ (vol‘(𝑋[,]𝑌)) ∈ ℝ) → (vol‘(𝑋(,)𝑌)) ∈ ℝ)
51	36, 44, 49, 50	syl3anc 1368	. . . . . . . . . . . 12 ⊢ (𝜑 → (vol*‘(𝑋(,)𝑌)) ∈ ℝ)
52	34, 51	eqeltrid 2894	. . . . . . . . . . 11 ⊢ (𝜑 → (vol‘(𝑋(,)𝑌)) ∈ ℝ)
53		iblconst 24421	. . . . . . . . . . 11 ⊢ (((𝑋(,)𝑌) ∈ dom vol ∧ (vol‘(𝑋(,)𝑌)) ∈ ℝ ∧ (𝐹‘𝑐) ∈ ℂ) → ((𝑋(,)𝑌) × {(𝐹‘𝑐)}) ∈ 𝐿¹)
54	23, 52, 30, 53	syl3anc 1368	. . . . . . . . . 10 ⊢ (𝜑 → ((𝑋(,)𝑌) × {(𝐹‘𝑐)}) ∈ 𝐿¹)
55	32, 54	eqeltrrid 2895	. . . . . . . . 9 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑐)) ∈ 𝐿¹)
56		eqid 2798	. . . . . . . . . . 11 ⊢ (TopOpen‘ℂ_fld) = (TopOpen‘ℂ_fld)
57	56	subcn 23471	. . . . . . . . . . . 12 ⊢ − ∈ (((TopOpen‘ℂ_fld) ×_t (TopOpen‘ℂ_fld)) Cn (TopOpen‘ℂ_fld))
58	57	a1i 11	. . . . . . . . . . 11 ⊢ (𝜑 → − ∈ (((TopOpen‘ℂ_fld) ×_t (TopOpen‘ℂ_fld)) Cn (TopOpen‘ℂ_fld)))
59	19, 15	feqresmpt 6709	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐹 ↾ (𝑋(,)𝑌)) = (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑡)))
60		rescncf 23502	. . . . . . . . . . . . 13 ⊢ ((𝑋(,)𝑌) ⊆ (𝐴(,)𝐵) → (𝐹 ∈ ((𝐴(,)𝐵)–cn→ℂ) → (𝐹 ↾ (𝑋(,)𝑌)) ∈ ((𝑋(,)𝑌)–cn→ℂ)))
61	15, 17, 60	sylc 65	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐹 ↾ (𝑋(,)𝑌)) ∈ ((𝑋(,)𝑌)–cn→ℂ))
62	59, 61	eqeltrrd 2891	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑡)) ∈ ((𝑋(,)𝑌)–cn→ℂ))
63		ioossre 12786	. . . . . . . . . . . . . 14 ⊢ (𝑋(,)𝑌) ⊆ ℝ
64		ax-resscn 10583	. . . . . . . . . . . . . 14 ⊢ ℝ ⊆ ℂ
65	63, 64	sstri 3924	. . . . . . . . . . . . 13 ⊢ (𝑋(,)𝑌) ⊆ ℂ
66		ssid 3937	. . . . . . . . . . . . 13 ⊢ ℂ ⊆ ℂ
67		cncfmptc 23517	. . . . . . . . . . . . 13 ⊢ (((𝐹‘𝑐) ∈ ℂ ∧ (𝑋(,)𝑌) ⊆ ℂ ∧ ℂ ⊆ ℂ) → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑐)) ∈ ((𝑋(,)𝑌)–cn→ℂ))
68	65, 66, 67	mp3an23 1450	. . . . . . . . . . . 12 ⊢ ((𝐹‘𝑐) ∈ ℂ → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑐)) ∈ ((𝑋(,)𝑌)–cn→ℂ))
69	30, 68	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑐)) ∈ ((𝑋(,)𝑌)–cn→ℂ))
70	56, 58, 62, 69	cncfmpt2f 23520	. . . . . . . . . 10 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ ((𝐹‘𝑡) − (𝐹‘𝑐))) ∈ ((𝑋(,)𝑌)–cn→ℂ))
71		cnmbf 24263	. . . . . . . . . 10 ⊢ (((𝑋(,)𝑌) ∈ dom vol ∧ (𝑡 ∈ (𝑋(,)𝑌) ↦ ((𝐹‘𝑡) − (𝐹‘𝑐))) ∈ ((𝑋(,)𝑌)–cn→ℂ)) → (𝑡 ∈ (𝑋(,)𝑌) ↦ ((𝐹‘𝑡) − (𝐹‘𝑐))) ∈ MblFn)
72	22, 70, 71	sylancr 590	. . . . . . . . 9 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ ((𝐹‘𝑡) − (𝐹‘𝑐))) ∈ MblFn)
73	21, 28, 31, 55, 72	iblsubnc 35118	. . . . . . . 8 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ ((𝐹‘𝑡) − (𝐹‘𝑐))) ∈ 𝐿¹)
74	1, 73	itgcl 24387	. . . . . . 7 ⊢ (𝜑 → ∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 ∈ ℂ)
75	74	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 ∈ ℂ)
76	40, 39	resubcld 11057	. . . . . . . 8 ⊢ (𝜑 → (𝑌 − 𝑋) ∈ ℝ)
77	76	recnd 10658	. . . . . . 7 ⊢ (𝜑 → (𝑌 − 𝑋) ∈ ℂ)
78	77	adantr 484	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (𝑌 − 𝑋) ∈ ℂ)
79	39, 40	posdifd 11216	. . . . . . . 8 ⊢ (𝜑 → (𝑋 < 𝑌 ↔ 0 < (𝑌 − 𝑋)))
80	79	biimpa 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 0 < (𝑌 − 𝑋))
81	80	gt0ne0d 11193	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (𝑌 − 𝑋) ≠ 0)
82	75, 78, 81	divcld 11405	. . . . 5 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 / (𝑌 − 𝑋)) ∈ ℂ)
83	30	adantr 484	. . . . 5 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (𝐹‘𝑐) ∈ ℂ)
84		ltle 10718	. . . . . . . . . . 11 ⊢ ((𝑋 ∈ ℝ ∧ 𝑌 ∈ ℝ) → (𝑋 < 𝑌 → 𝑋 ≤ 𝑌))
85	39, 40, 84	syl2anc 587	. . . . . . . . . 10 ⊢ (𝜑 → (𝑋 < 𝑌 → 𝑋 ≤ 𝑌))
86	85	imp 410	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 𝑋 ≤ 𝑌)
87		ftc1cnnc.g	. . . . . . . . . 10 ⊢ 𝐺 = (𝑥 ∈ (𝐴[,]𝐵) ↦ ∫(𝐴(,)𝑥)(𝐹‘𝑡) d𝑡)
88		ftc1cnnc.le	. . . . . . . . . 10 ⊢ (𝜑 → 𝐴 ≤ 𝐵)
89		ssidd 3938	. . . . . . . . . 10 ⊢ (𝜑 → (𝐴(,)𝐵) ⊆ (𝐴(,)𝐵))
90		ioossre 12786	. . . . . . . . . . 11 ⊢ (𝐴(,)𝐵) ⊆ ℝ
91	90	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → (𝐴(,)𝐵) ⊆ ℝ)
92	87, 2, 4, 88, 89, 91, 26, 19, 6, 11	ftc1lem1 24638	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑋 ≤ 𝑌) → ((𝐺‘𝑌) − (𝐺‘𝑋)) = ∫(𝑋(,)𝑌)(𝐹‘𝑡) d𝑡)
93	86, 92	syldan 594	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((𝐺‘𝑌) − (𝐺‘𝑋)) = ∫(𝑋(,)𝑌)(𝐹‘𝑡) d𝑡)
94	21, 31	npcand 10990	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (((𝐹‘𝑡) − (𝐹‘𝑐)) + (𝐹‘𝑐)) = (𝐹‘𝑡))
95	94	itgeq2dv 24385	. . . . . . . . . 10 ⊢ (𝜑 → ∫(𝑋(,)𝑌)(((𝐹‘𝑡) − (𝐹‘𝑐)) + (𝐹‘𝑐)) d𝑡 = ∫(𝑋(,)𝑌)(𝐹‘𝑡) d𝑡)
96	21, 31	subcld 10986	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → ((𝐹‘𝑡) − (𝐹‘𝑐)) ∈ ℂ)
97	94	mpteq2dva 5125	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (((𝐹‘𝑡) − (𝐹‘𝑐)) + (𝐹‘𝑐))) = (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐹‘𝑡)))
98	97, 59	eqtr4d 2836	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (((𝐹‘𝑡) − (𝐹‘𝑐)) + (𝐹‘𝑐))) = (𝐹 ↾ (𝑋(,)𝑌)))
99		iblmbf 24371	. . . . . . . . . . . . . 14 ⊢ (𝐹 ∈ 𝐿¹ → 𝐹 ∈ MblFn)
100	26, 99	syl 17	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐹 ∈ MblFn)
101		mbfres 24248	. . . . . . . . . . . . 13 ⊢ ((𝐹 ∈ MblFn ∧ (𝑋(,)𝑌) ∈ dom vol) → (𝐹 ↾ (𝑋(,)𝑌)) ∈ MblFn)
102	100, 22, 101	sylancl 589	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐹 ↾ (𝑋(,)𝑌)) ∈ MblFn)
103	98, 102	eqeltrd 2890	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (((𝐹‘𝑡) − (𝐹‘𝑐)) + (𝐹‘𝑐))) ∈ MblFn)
104	96, 73, 31, 55, 103	itgaddnc 35117	. . . . . . . . . 10 ⊢ (𝜑 → ∫(𝑋(,)𝑌)(((𝐹‘𝑡) − (𝐹‘𝑐)) + (𝐹‘𝑐)) d𝑡 = (∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 + ∫(𝑋(,)𝑌)(𝐹‘𝑐) d𝑡))
105	95, 104	eqtr3d 2835	. . . . . . . . 9 ⊢ (𝜑 → ∫(𝑋(,)𝑌)(𝐹‘𝑡) d𝑡 = (∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 + ∫(𝑋(,)𝑌)(𝐹‘𝑐) d𝑡))
106	105	adantr 484	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)(𝐹‘𝑡) d𝑡 = (∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 + ∫(𝑋(,)𝑌)(𝐹‘𝑐) d𝑡))
107		itgconst 24422	. . . . . . . . . . . 12 ⊢ (((𝑋(,)𝑌) ∈ dom vol ∧ (vol‘(𝑋(,)𝑌)) ∈ ℝ ∧ (𝐹‘𝑐) ∈ ℂ) → ∫(𝑋(,)𝑌)(𝐹‘𝑐) d𝑡 = ((𝐹‘𝑐) · (vol‘(𝑋(,)𝑌))))
108	23, 52, 30, 107	syl3anc 1368	. . . . . . . . . . 11 ⊢ (𝜑 → ∫(𝑋(,)𝑌)(𝐹‘𝑐) d𝑡 = ((𝐹‘𝑐) · (vol‘(𝑋(,)𝑌))))
109	108	adantr 484	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)(𝐹‘𝑐) d𝑡 = ((𝐹‘𝑐) · (vol‘(𝑋(,)𝑌))))
110	39	adantr 484	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 𝑋 ∈ ℝ)
111	40	adantr 484	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 𝑌 ∈ ℝ)
112		ovolioo 24172	. . . . . . . . . . . . 13 ⊢ ((𝑋 ∈ ℝ ∧ 𝑌 ∈ ℝ ∧ 𝑋 ≤ 𝑌) → (vol*‘(𝑋(,)𝑌)) = (𝑌 − 𝑋))
113	110, 111, 86, 112	syl3anc 1368	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (vol*‘(𝑋(,)𝑌)) = (𝑌 − 𝑋))
114	34, 113	syl5eq 2845	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (vol‘(𝑋(,)𝑌)) = (𝑌 − 𝑋))
115	114	oveq2d 7151	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((𝐹‘𝑐) · (vol‘(𝑋(,)𝑌))) = ((𝐹‘𝑐) · (𝑌 − 𝑋)))
116	109, 115	eqtrd 2833	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)(𝐹‘𝑐) d𝑡 = ((𝐹‘𝑐) · (𝑌 − 𝑋)))
117	116	oveq2d 7151	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 + ∫(𝑋(,)𝑌)(𝐹‘𝑐) d𝑡) = (∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 + ((𝐹‘𝑐) · (𝑌 − 𝑋))))
118	93, 106, 117	3eqtrd 2837	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((𝐺‘𝑌) − (𝐺‘𝑋)) = (∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 + ((𝐹‘𝑐) · (𝑌 − 𝑋))))
119	118	oveq1d 7150	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (((𝐺‘𝑌) − (𝐺‘𝑋)) / (𝑌 − 𝑋)) = ((∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 + ((𝐹‘𝑐) · (𝑌 − 𝑋))) / (𝑌 − 𝑋)))
120	83, 78	mulcld 10650	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((𝐹‘𝑐) · (𝑌 − 𝑋)) ∈ ℂ)
121	75, 120, 78, 81	divdird 11443	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 + ((𝐹‘𝑐) · (𝑌 − 𝑋))) / (𝑌 − 𝑋)) = ((∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 / (𝑌 − 𝑋)) + (((𝐹‘𝑐) · (𝑌 − 𝑋)) / (𝑌 − 𝑋))))
122	83, 78, 81	divcan4d 11411	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (((𝐹‘𝑐) · (𝑌 − 𝑋)) / (𝑌 − 𝑋)) = (𝐹‘𝑐))
123	122	oveq2d 7151	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 / (𝑌 − 𝑋)) + (((𝐹‘𝑐) · (𝑌 − 𝑋)) / (𝑌 − 𝑋))) = ((∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 / (𝑌 − 𝑋)) + (𝐹‘𝑐)))
124	119, 121, 123	3eqtrd 2837	. . . . 5 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (((𝐺‘𝑌) − (𝐺‘𝑋)) / (𝑌 − 𝑋)) = ((∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 / (𝑌 − 𝑋)) + (𝐹‘𝑐)))
125	82, 83, 124	mvrraddd 11041	. . . 4 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((((𝐺‘𝑌) − (𝐺‘𝑋)) / (𝑌 − 𝑋)) − (𝐹‘𝑐)) = (∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 / (𝑌 − 𝑋)))
126	125	fveq2d 6649	. . 3 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘((((𝐺‘𝑌) − (𝐺‘𝑋)) / (𝑌 − 𝑋)) − (𝐹‘𝑐))) = (abs‘(∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 / (𝑌 − 𝑋))))
127	75, 78, 81	absdivd 14807	. . 3 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘(∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡 / (𝑌 − 𝑋))) = ((abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) / (abs‘(𝑌 − 𝑋))))
128	76	adantr 484	. . . . 5 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (𝑌 − 𝑋) ∈ ℝ)
129		0re 10632	. . . . . . 7 ⊢ 0 ∈ ℝ
130		ltle 10718	. . . . . . 7 ⊢ ((0 ∈ ℝ ∧ (𝑌 − 𝑋) ∈ ℝ) → (0 < (𝑌 − 𝑋) → 0 ≤ (𝑌 − 𝑋)))
131	129, 128, 130	sylancr 590	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (0 < (𝑌 − 𝑋) → 0 ≤ (𝑌 − 𝑋)))
132	80, 131	mpd 15	. . . . 5 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 0 ≤ (𝑌 − 𝑋))
133	128, 132	absidd 14774	. . . 4 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘(𝑌 − 𝑋)) = (𝑌 − 𝑋))
134	133	oveq2d 7151	. . 3 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) / (abs‘(𝑌 − 𝑋))) = ((abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) / (𝑌 − 𝑋)))
135	126, 127, 134	3eqtrd 2837	. 2 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘((((𝐺‘𝑌) − (𝐺‘𝑋)) / (𝑌 − 𝑋)) − (𝐹‘𝑐))) = ((abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) / (𝑌 − 𝑋)))
136	75	abscld 14788	. . . 4 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) ∈ ℝ)
137	96	abscld 14788	. . . . . 6 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) ∈ ℝ)
138		cncfss 23504	. . . . . . . . . . . 12 ⊢ ((ℝ ⊆ ℂ ∧ ℂ ⊆ ℂ) → (ℂ–cn→ℝ) ⊆ (ℂ–cn→ℂ))
139	64, 66, 138	mp2an 691	. . . . . . . . . . 11 ⊢ (ℂ–cn→ℝ) ⊆ (ℂ–cn→ℂ)
140		abscncf 23506	. . . . . . . . . . 11 ⊢ abs ∈ (ℂ–cn→ℝ)
141	139, 140	sselii 3912	. . . . . . . . . 10 ⊢ abs ∈ (ℂ–cn→ℂ)
142	141	a1i 11	. . . . . . . . 9 ⊢ (𝜑 → abs ∈ (ℂ–cn→ℂ))
143	142, 70	cncfmpt1f 23519	. . . . . . . 8 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ ((𝑋(,)𝑌)–cn→ℂ))
144		cnmbf 24263	. . . . . . . 8 ⊢ (((𝑋(,)𝑌) ∈ dom vol ∧ (𝑡 ∈ (𝑋(,)𝑌) ↦ (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ ((𝑋(,)𝑌)–cn→ℂ)) → (𝑡 ∈ (𝑋(,)𝑌) ↦ (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ MblFn)
145	22, 143, 144	sylancr 590	. . . . . . 7 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ MblFn)
146	1, 73, 145	iblabsnc 35121	. . . . . 6 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ 𝐿¹)
147	137, 146	itgrecl 24401	. . . . 5 ⊢ (𝜑 → ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡 ∈ ℝ)
148	147	adantr 484	. . . 4 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡 ∈ ℝ)
149		ftc1cnnclem.e	. . . . . . 7 ⊢ (𝜑 → 𝐸 ∈ ℝ⁺)
150	149	rpred 12419	. . . . . 6 ⊢ (𝜑 → 𝐸 ∈ ℝ)
151	76, 150	remulcld 10660	. . . . 5 ⊢ (𝜑 → ((𝑌 − 𝑋) · 𝐸) ∈ ℝ)
152	151	adantr 484	. . . 4 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((𝑌 − 𝑋) · 𝐸) ∈ ℝ)
153	74	cjcld 14547	. . . . . . . . 9 ⊢ (𝜑 → (∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) ∈ ℂ)
154		cncfmptc 23517	. . . . . . . . . 10 ⊢ (((∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) ∈ ℂ ∧ (𝑋(,)𝑌) ⊆ ℂ ∧ ℂ ⊆ ℂ) → (𝑥 ∈ (𝑋(,)𝑌) ↦ (∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡)) ∈ ((𝑋(,)𝑌)–cn→ℂ))
155	65, 66, 154	mp3an23 1450	. . . . . . . . 9 ⊢ ((∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) ∈ ℂ → (𝑥 ∈ (𝑋(,)𝑌) ↦ (∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡)) ∈ ((𝑋(,)𝑌)–cn→ℂ))
156	153, 155	syl 17	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (𝑋(,)𝑌) ↦ (∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡)) ∈ ((𝑋(,)𝑌)–cn→ℂ))
157		nfcv 2955	. . . . . . . . . 10 ⊢ Ⅎ𝑥((𝐹‘𝑡) − (𝐹‘𝑐))
158		nfcsb1v 3852	. . . . . . . . . 10 ⊢ Ⅎ𝑡⦋𝑥 / 𝑡⦌((𝐹‘𝑡) − (𝐹‘𝑐))
159		csbeq1a 3842	. . . . . . . . . 10 ⊢ (𝑡 = 𝑥 → ((𝐹‘𝑡) − (𝐹‘𝑐)) = ⦋𝑥 / 𝑡⦌((𝐹‘𝑡) − (𝐹‘𝑐)))
160	157, 158, 159	cbvmpt 5131	. . . . . . . . 9 ⊢ (𝑡 ∈ (𝑋(,)𝑌) ↦ ((𝐹‘𝑡) − (𝐹‘𝑐))) = (𝑥 ∈ (𝑋(,)𝑌) ↦ ⦋𝑥 / 𝑡⦌((𝐹‘𝑡) − (𝐹‘𝑐)))
161	160, 70	eqeltrrid 2895	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (𝑋(,)𝑌) ↦ ⦋𝑥 / 𝑡⦌((𝐹‘𝑡) − (𝐹‘𝑐))) ∈ ((𝑋(,)𝑌)–cn→ℂ))
162	156, 161	mulcncf 24050	. . . . . . 7 ⊢ (𝜑 → (𝑥 ∈ (𝑋(,)𝑌) ↦ ((∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) · ⦋𝑥 / 𝑡⦌((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ ((𝑋(,)𝑌)–cn→ℂ))
163		cnmbf 24263	. . . . . . 7 ⊢ (((𝑋(,)𝑌) ∈ dom vol ∧ (𝑥 ∈ (𝑋(,)𝑌) ↦ ((∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) · ⦋𝑥 / 𝑡⦌((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ ((𝑋(,)𝑌)–cn→ℂ)) → (𝑥 ∈ (𝑋(,)𝑌) ↦ ((∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) · ⦋𝑥 / 𝑡⦌((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ MblFn)
164	22, 162, 163	sylancr 590	. . . . . 6 ⊢ (𝜑 → (𝑥 ∈ (𝑋(,)𝑌) ↦ ((∗‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) · ⦋𝑥 / 𝑡⦌((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ MblFn)
165	96, 73, 145, 164	itgabsnc 35126	. . . . 5 ⊢ (𝜑 → (abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) ≤ ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡)
166	165	adantr 484	. . . 4 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) ≤ ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡)
167		simpr 488	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 𝑋 < 𝑌)
168	150	adantr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝐸 ∈ ℝ)
169		fconstmpt 5578	. . . . . . . . . 10 ⊢ ((𝑋(,)𝑌) × {𝐸}) = (𝑡 ∈ (𝑋(,)𝑌) ↦ 𝐸)
170	149	rpcnd 12421	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐸 ∈ ℂ)
171		iblconst 24421	. . . . . . . . . . 11 ⊢ (((𝑋(,)𝑌) ∈ dom vol ∧ (vol‘(𝑋(,)𝑌)) ∈ ℝ ∧ 𝐸 ∈ ℂ) → ((𝑋(,)𝑌) × {𝐸}) ∈ 𝐿¹)
172	23, 52, 170, 171	syl3anc 1368	. . . . . . . . . 10 ⊢ (𝜑 → ((𝑋(,)𝑌) × {𝐸}) ∈ 𝐿¹)
173	169, 172	eqeltrrid 2895	. . . . . . . . 9 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ 𝐸) ∈ 𝐿¹)
174		cncfmptc 23517	. . . . . . . . . . . . 13 ⊢ ((𝐸 ∈ ℂ ∧ (𝑋(,)𝑌) ⊆ ℂ ∧ ℂ ⊆ ℂ) → (𝑡 ∈ (𝑋(,)𝑌) ↦ 𝐸) ∈ ((𝑋(,)𝑌)–cn→ℂ))
175	65, 66, 174	mp3an23 1450	. . . . . . . . . . . 12 ⊢ (𝐸 ∈ ℂ → (𝑡 ∈ (𝑋(,)𝑌) ↦ 𝐸) ∈ ((𝑋(,)𝑌)–cn→ℂ))
176	170, 175	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ 𝐸) ∈ ((𝑋(,)𝑌)–cn→ℂ))
177	56, 58, 176, 143	cncfmpt2f 23520	. . . . . . . . . 10 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))))) ∈ ((𝑋(,)𝑌)–cn→ℂ))
178		cnmbf 24263	. . . . . . . . . 10 ⊢ (((𝑋(,)𝑌) ∈ dom vol ∧ (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))))) ∈ ((𝑋(,)𝑌)–cn→ℂ)) → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))))) ∈ MblFn)
179	22, 177, 178	sylancr 590	. . . . . . . . 9 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))))) ∈ MblFn)
180	168, 173, 137, 146, 179	iblsubnc 35118	. . . . . . . 8 ⊢ (𝜑 → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))))) ∈ 𝐿¹)
181	180	adantr 484	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))))) ∈ 𝐿¹)
182		ftc1cnnclem.fc	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝐴(,)𝐵)) → ((abs‘(𝑦 − 𝑐)) < 𝑅 → (abs‘((𝐹‘𝑦) − (𝐹‘𝑐))) < 𝐸))
183	182	ralrimiva 3149	. . . . . . . . . . 11 ⊢ (𝜑 → ∀𝑦 ∈ (𝐴(,)𝐵)((abs‘(𝑦 − 𝑐)) < 𝑅 → (abs‘((𝐹‘𝑦) − (𝐹‘𝑐))) < 𝐸))
184	183	adantr 484	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → ∀𝑦 ∈ (𝐴(,)𝐵)((abs‘(𝑦 − 𝑐)) < 𝑅 → (abs‘((𝐹‘𝑦) − (𝐹‘𝑐))) < 𝐸))
185	90, 29	sseldi 3913	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑐 ∈ ℝ)
186		ftc1cnnclem.r	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝑅 ∈ ℝ⁺)
187	186	rpred 12419	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑅 ∈ ℝ)
188	185, 187	resubcld 11057	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑐 − 𝑅) ∈ ℝ)
189	188	adantr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝑐 − 𝑅) ∈ ℝ)
190	39	adantr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑋 ∈ ℝ)
191		elioore 12756	. . . . . . . . . . . . 13 ⊢ (𝑡 ∈ (𝑋(,)𝑌) → 𝑡 ∈ ℝ)
192	191	adantl 485	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑡 ∈ ℝ)
193		ftc1cnnclem.x2	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (abs‘(𝑋 − 𝑐)) < 𝑅)
194	39, 185, 187	absdifltd 14785	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((abs‘(𝑋 − 𝑐)) < 𝑅 ↔ ((𝑐 − 𝑅) < 𝑋 ∧ 𝑋 < (𝑐 + 𝑅))))
195	193, 194	mpbid 235	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ((𝑐 − 𝑅) < 𝑋 ∧ 𝑋 < (𝑐 + 𝑅)))
196	195	simpld 498	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑐 − 𝑅) < 𝑋)
197	196	adantr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝑐 − 𝑅) < 𝑋)
198		eliooord 12784	. . . . . . . . . . . . . 14 ⊢ (𝑡 ∈ (𝑋(,)𝑌) → (𝑋 < 𝑡 ∧ 𝑡 < 𝑌))
199	198	adantl 485	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝑋 < 𝑡 ∧ 𝑡 < 𝑌))
200	199	simpld 498	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑋 < 𝑡)
201	189, 190, 192, 197, 200	lttrd 10790	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝑐 − 𝑅) < 𝑡)
202	40	adantr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑌 ∈ ℝ)
203	185, 187	readdcld 10659	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑐 + 𝑅) ∈ ℝ)
204	203	adantr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝑐 + 𝑅) ∈ ℝ)
205	199	simprd 499	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑡 < 𝑌)
206		ftc1cnnclem.y2	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (abs‘(𝑌 − 𝑐)) < 𝑅)
207	40, 185, 187	absdifltd 14785	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((abs‘(𝑌 − 𝑐)) < 𝑅 ↔ ((𝑐 − 𝑅) < 𝑌 ∧ 𝑌 < (𝑐 + 𝑅))))
208	206, 207	mpbid 235	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ((𝑐 − 𝑅) < 𝑌 ∧ 𝑌 < (𝑐 + 𝑅)))
209	208	simprd 499	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑌 < (𝑐 + 𝑅))
210	209	adantr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑌 < (𝑐 + 𝑅))
211	192, 202, 204, 205, 210	lttrd 10790	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑡 < (𝑐 + 𝑅))
212	185	adantr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑐 ∈ ℝ)
213	187	adantr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → 𝑅 ∈ ℝ)
214	192, 212, 213	absdifltd 14785	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → ((abs‘(𝑡 − 𝑐)) < 𝑅 ↔ ((𝑐 − 𝑅) < 𝑡 ∧ 𝑡 < (𝑐 + 𝑅))))
215	201, 211, 214	mpbir2and 712	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (abs‘(𝑡 − 𝑐)) < 𝑅)
216		fvoveq1 7158	. . . . . . . . . . . . 13 ⊢ (𝑦 = 𝑡 → (abs‘(𝑦 − 𝑐)) = (abs‘(𝑡 − 𝑐)))
217	216	breq1d 5040	. . . . . . . . . . . 12 ⊢ (𝑦 = 𝑡 → ((abs‘(𝑦 − 𝑐)) < 𝑅 ↔ (abs‘(𝑡 − 𝑐)) < 𝑅))
218	217	imbrov2fvoveq 7160	. . . . . . . . . . 11 ⊢ (𝑦 = 𝑡 → (((abs‘(𝑦 − 𝑐)) < 𝑅 → (abs‘((𝐹‘𝑦) − (𝐹‘𝑐))) < 𝐸) ↔ ((abs‘(𝑡 − 𝑐)) < 𝑅 → (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) < 𝐸)))
219	218	rspcv 3566	. . . . . . . . . 10 ⊢ (𝑡 ∈ (𝐴(,)𝐵) → (∀𝑦 ∈ (𝐴(,)𝐵)((abs‘(𝑦 − 𝑐)) < 𝑅 → (abs‘((𝐹‘𝑦) − (𝐹‘𝑐))) < 𝐸) → ((abs‘(𝑡 − 𝑐)) < 𝑅 → (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) < 𝐸)))
220	16, 184, 215, 219	syl3c 66	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) < 𝐸)
221		difrp 12415	. . . . . . . . . 10 ⊢ (((abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) ∈ ℝ ∧ 𝐸 ∈ ℝ) → ((abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) < 𝐸 ↔ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ ℝ⁺))
222	137, 168, 221	syl2anc 587	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → ((abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) < 𝐸 ↔ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ ℝ⁺))
223	220, 222	mpbid 235	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ ℝ⁺)
224	223	adantlr 714	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 < 𝑌) ∧ 𝑡 ∈ (𝑋(,)𝑌)) → (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) ∈ ℝ⁺)
225	177	adantr 484	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (𝑡 ∈ (𝑋(,)𝑌) ↦ (𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐))))) ∈ ((𝑋(,)𝑌)–cn→ℂ))
226	167, 181, 224, 225	itggt0cn 35127	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 0 < ∫(𝑋(,)𝑌)(𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) d𝑡)
227	168, 173, 137, 146, 179	itgsubnc 35119	. . . . . . . 8 ⊢ (𝜑 → ∫(𝑋(,)𝑌)(𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) d𝑡 = (∫(𝑋(,)𝑌)𝐸 d𝑡 − ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡))
228	227	adantr 484	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)(𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) d𝑡 = (∫(𝑋(,)𝑌)𝐸 d𝑡 − ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡))
229		itgconst 24422	. . . . . . . . . . 11 ⊢ (((𝑋(,)𝑌) ∈ dom vol ∧ (vol‘(𝑋(,)𝑌)) ∈ ℝ ∧ 𝐸 ∈ ℂ) → ∫(𝑋(,)𝑌)𝐸 d𝑡 = (𝐸 · (vol‘(𝑋(,)𝑌))))
230	23, 52, 170, 229	syl3anc 1368	. . . . . . . . . 10 ⊢ (𝜑 → ∫(𝑋(,)𝑌)𝐸 d𝑡 = (𝐸 · (vol‘(𝑋(,)𝑌))))
231	230	adantr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)𝐸 d𝑡 = (𝐸 · (vol‘(𝑋(,)𝑌))))
232	114	oveq2d 7151	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (𝐸 · (vol‘(𝑋(,)𝑌))) = (𝐸 · (𝑌 − 𝑋)))
233	170, 77	mulcomd 10651	. . . . . . . . . 10 ⊢ (𝜑 → (𝐸 · (𝑌 − 𝑋)) = ((𝑌 − 𝑋) · 𝐸))
234	233	adantr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (𝐸 · (𝑌 − 𝑋)) = ((𝑌 − 𝑋) · 𝐸))
235	231, 232, 234	3eqtrd 2837	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)𝐸 d𝑡 = ((𝑌 − 𝑋) · 𝐸))
236	235	oveq1d 7150	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (∫(𝑋(,)𝑌)𝐸 d𝑡 − ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡) = (((𝑌 − 𝑋) · 𝐸) − ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡))
237	228, 236	eqtrd 2833	. . . . . 6 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)(𝐸 − (abs‘((𝐹‘𝑡) − (𝐹‘𝑐)))) d𝑡 = (((𝑌 − 𝑋) · 𝐸) − ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡))
238	226, 237	breqtrd 5056	. . . . 5 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 0 < (((𝑌 − 𝑋) · 𝐸) − ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡))
239	147, 151	posdifd 11216	. . . . . 6 ⊢ (𝜑 → (∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡 < ((𝑌 − 𝑋) · 𝐸) ↔ 0 < (((𝑌 − 𝑋) · 𝐸) − ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡)))
240	239	biimpar 481	. . . . 5 ⊢ ((𝜑 ∧ 0 < (((𝑌 − 𝑋) · 𝐸) − ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡)) → ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡 < ((𝑌 − 𝑋) · 𝐸))
241	238, 240	syldan 594	. . . 4 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ∫(𝑋(,)𝑌)(abs‘((𝐹‘𝑡) − (𝐹‘𝑐))) d𝑡 < ((𝑌 − 𝑋) · 𝐸))
242	136, 148, 152, 166, 241	lelttrd 10787	. . 3 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) < ((𝑌 − 𝑋) · 𝐸))
243	150	adantr 484	. . . 4 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → 𝐸 ∈ ℝ)
244		ltdivmul 11504	. . . 4 ⊢ (((abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) ∈ ℝ ∧ 𝐸 ∈ ℝ ∧ ((𝑌 − 𝑋) ∈ ℝ ∧ 0 < (𝑌 − 𝑋))) → (((abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) / (𝑌 − 𝑋)) < 𝐸 ↔ (abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) < ((𝑌 − 𝑋) · 𝐸)))
245	136, 243, 128, 80, 244	syl112anc 1371	. . 3 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (((abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) / (𝑌 − 𝑋)) < 𝐸 ↔ (abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) < ((𝑌 − 𝑋) · 𝐸)))
246	242, 245	mpbird 260	. 2 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → ((abs‘∫(𝑋(,)𝑌)((𝐹‘𝑡) − (𝐹‘𝑐)) d𝑡) / (𝑌 − 𝑋)) < 𝐸)
247	135, 246	eqbrtrd 5052	1 ⊢ ((𝜑 ∧ 𝑋 < 𝑌) → (abs‘((((𝐺‘𝑌) − (𝐺‘𝑋)) / (𝑌 − 𝑋)) − (𝐹‘𝑐))) < 𝐸)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 ∀wral 3106 Vcvv 3441 ⦋csb 3828 ∖ cdif 3878 ⊆ wss 3881 {csn 4525 class class class wbr 5030 ↦ cmpt 5110 × cxp 5517 dom cdm 5519 ↾ cres 5521 ⟶wf 6320 ‘cfv 6324 (class class class)co 7135 ℂcc 10524 ℝcr 10525 0cc0 10526 + caddc 10529 · cmul 10531 ℝ^*cxr 10663 < clt 10664 ≤ cle 10665 − cmin 10859 / cdiv 11286 ℝ⁺crp 12377 (,)cioo 12726 [,]cicc 12729 ∗ccj 14447 abscabs 14585 TopOpenctopn 16687 ℂ_fldccnfld 20091 Cn ccn 21829 ×_t ctx 22165 –cn→ccncf 23481 vol*covol 24066 volcvol 24067 MblFncmbf 24218 𝐿¹cibl 24221 ∫citg 24222

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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-inf2 9088 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 ax-pre-sup 10604 ax-addf 10605 ax-mulf 10606

This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-symdif 4169 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-iin 4884 df-disj 4996 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-se 5479 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-isom 6333 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-of 7389 df-ofr 7390 df-om 7561 df-1st 7671 df-2nd 7672 df-supp 7814 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-1o 8085 df-2o 8086 df-oadd 8089 df-omul 8090 df-er 8272 df-map 8391 df-pm 8392 df-ixp 8445 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-fsupp 8818 df-fi 8859 df-sup 8890 df-inf 8891 df-oi 8958 df-dju 9314 df-card 9352 df-acn 9355 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-div 11287 df-nn 11626 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-7 11693 df-8 11694 df-9 11695 df-n0 11886 df-z 11970 df-dec 12087 df-uz 12232 df-q 12337 df-rp 12378 df-xneg 12495 df-xadd 12496 df-xmul 12497 df-ioo 12730 df-ico 12732 df-icc 12733 df-fz 12886 df-fzo 13029 df-fl 13157 df-mod 13233 df-seq 13365 df-exp 13426 df-hash 13687 df-cj 14450 df-re 14451 df-im 14452 df-sqrt 14586 df-abs 14587 df-clim 14837 df-rlim 14838 df-sum 15035 df-struct 16477 df-ndx 16478 df-slot 16479 df-base 16481 df-sets 16482 df-ress 16483 df-plusg 16570 df-mulr 16571 df-starv 16572 df-sca 16573 df-vsca 16574 df-ip 16575 df-tset 16576 df-ple 16577 df-ds 16579 df-unif 16580 df-hom 16581 df-cco 16582 df-rest 16688 df-topn 16689 df-0g 16707 df-gsum 16708 df-topgen 16709 df-pt 16710 df-prds 16713 df-xrs 16767 df-qtop 16772 df-imas 16773 df-xps 16775 df-mre 16849 df-mrc 16850 df-acs 16852 df-mgm 17844 df-sgrp 17893 df-mnd 17904 df-submnd 17949 df-mulg 18217 df-cntz 18439 df-cmn 18900 df-psmet 20083 df-xmet 20084 df-met 20085 df-bl 20086 df-mopn 20087 df-cnfld 20092 df-top 21499 df-topon 21516 df-topsp 21538 df-bases 21551 df-cn 21832 df-cnp 21833 df-cmp 21992 df-tx 22167 df-hmeo 22360 df-xms 22927 df-ms 22928 df-tms 22929 df-cncf 23483 df-ovol 24068 df-vol 24069 df-mbf 24223 df-itg1 24224 df-itg2 24225 df-ibl 24226 df-itg 24227 df-0p 24274

This theorem is referenced by: ftc1cnnc 35129

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