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Theorem pcoass 24784

Description: Order of concatenation does not affect homotopy class. (Contributed by Jeff Madsen, 19-Jun-2010.) (Proof shortened by Mario Carneiro, 8-Jun-2014.)

**Hypotheses**
Ref	Expression
pcoass.2	⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽))
pcoass.3	⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽))
pcoass.4	⊢ (𝜑 → 𝐻 ∈ (II Cn 𝐽))
pcoass.5	⊢ (𝜑 → (𝐹‘1) = (𝐺‘0))
pcoass.6	⊢ (𝜑 → (𝐺‘1) = (𝐻‘0))
pcoass.7	⊢ 𝑃 = (𝑥 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))))

**Assertion**
Ref	Expression
pcoass	⊢ (𝜑 → ((𝐹(_𝑝‘𝐽)𝐺)(_𝑝‘𝐽)𝐻)( ≃_ph‘𝐽)(𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)))

Distinct variable groups: 𝑥,𝐹 𝑥,𝐺 𝑥,𝐻 𝑥,𝐽 𝜑,𝑥 Allowed substitution hint: 𝑃(𝑥)

Proof of Theorem pcoass Dummy variables 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		iftrue 4534	. . . . . . . . . . 11 ⊢ (𝑥 ≤ (1 / 4) → if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))) = (2 · 𝑥))
2	1	fveq2d 6895	. . . . . . . . . 10 ⊢ (𝑥 ≤ (1 / 4) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(2 · 𝑥)))
3	2	adantl 481	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 4)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(2 · 𝑥)))
4		2cn 12294	. . . . . . . . . . . . 13 ⊢ 2 ∈ ℂ
5		elicc01 13450	. . . . . . . . . . . . . . . 16 ⊢ (𝑥 ∈ (0[,]1) ↔ (𝑥 ∈ ℝ ∧ 0 ≤ 𝑥 ∧ 𝑥 ≤ 1))
6	5	simp1bi 1144	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ (0[,]1) → 𝑥 ∈ ℝ)
7	6	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4)) → 𝑥 ∈ ℝ)
8	7	recnd 11249	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4)) → 𝑥 ∈ ℂ)
9		mulcom 11202	. . . . . . . . . . . . 13 ⊢ ((2 ∈ ℂ ∧ 𝑥 ∈ ℂ) → (2 · 𝑥) = (𝑥 · 2))
10	4, 8, 9	sylancr 586	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4)) → (2 · 𝑥) = (𝑥 · 2))
11	5	simp2bi 1145	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ (0[,]1) → 0 ≤ 𝑥)
12	11	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4)) → 0 ≤ 𝑥)
13		simpr 484	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4)) → 𝑥 ≤ (1 / 4))
14		0re 11223	. . . . . . . . . . . . . . 15 ⊢ 0 ∈ ℝ
15		4nn 12302	. . . . . . . . . . . . . . . 16 ⊢ 4 ∈ ℕ
16		nnrecre 12261	. . . . . . . . . . . . . . . 16 ⊢ (4 ∈ ℕ → (1 / 4) ∈ ℝ)
17	15, 16	ax-mp 5	. . . . . . . . . . . . . . 15 ⊢ (1 / 4) ∈ ℝ
18	14, 17	elicc2i 13397	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ (0[,](1 / 4)) ↔ (𝑥 ∈ ℝ ∧ 0 ≤ 𝑥 ∧ 𝑥 ≤ (1 / 4)))
19	7, 12, 13, 18	syl3anbrc 1342	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4)) → 𝑥 ∈ (0[,](1 / 4)))
20		2rp 12986	. . . . . . . . . . . . . 14 ⊢ 2 ∈ ℝ⁺
21	4	mul02i 11410	. . . . . . . . . . . . . 14 ⊢ (0 · 2) = 0
22	17	recni 11235	. . . . . . . . . . . . . . 15 ⊢ (1 / 4) ∈ ℂ
23	22	2timesi 12357	. . . . . . . . . . . . . . . 16 ⊢ (2 · (1 / 4)) = ((1 / 4) + (1 / 4))
24		2ne0 12323	. . . . . . . . . . . . . . . . . . . 20 ⊢ 2 ≠ 0
25		recdiv2 11934	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((2 ∈ ℂ ∧ 2 ≠ 0) ∧ (2 ∈ ℂ ∧ 2 ≠ 0)) → ((1 / 2) / 2) = (1 / (2 · 2)))
26	4, 24, 4, 24, 25	mp4an 690	. . . . . . . . . . . . . . . . . . 19 ⊢ ((1 / 2) / 2) = (1 / (2 · 2))
27		2t2e4 12383	. . . . . . . . . . . . . . . . . . . 20 ⊢ (2 · 2) = 4
28	27	oveq2i 7423	. . . . . . . . . . . . . . . . . . 19 ⊢ (1 / (2 · 2)) = (1 / 4)
29	26, 28	eqtri 2759	. . . . . . . . . . . . . . . . . 18 ⊢ ((1 / 2) / 2) = (1 / 4)
30	29, 29	oveq12i 7424	. . . . . . . . . . . . . . . . 17 ⊢ (((1 / 2) / 2) + ((1 / 2) / 2)) = ((1 / 4) + (1 / 4))
31		halfcn 12434	. . . . . . . . . . . . . . . . . 18 ⊢ (1 / 2) ∈ ℂ
32		2halves 12447	. . . . . . . . . . . . . . . . . 18 ⊢ ((1 / 2) ∈ ℂ → (((1 / 2) / 2) + ((1 / 2) / 2)) = (1 / 2))
33	31, 32	ax-mp 5	. . . . . . . . . . . . . . . . 17 ⊢ (((1 / 2) / 2) + ((1 / 2) / 2)) = (1 / 2)
34	30, 33	eqtr3i 2761	. . . . . . . . . . . . . . . 16 ⊢ ((1 / 4) + (1 / 4)) = (1 / 2)
35	23, 34	eqtri 2759	. . . . . . . . . . . . . . 15 ⊢ (2 · (1 / 4)) = (1 / 2)
36	4, 22, 35	mulcomli 11230	. . . . . . . . . . . . . 14 ⊢ ((1 / 4) · 2) = (1 / 2)
37	14, 17, 20, 21, 36	iccdili 13475	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ (0[,](1 / 4)) → (𝑥 · 2) ∈ (0[,](1 / 2)))
38	19, 37	syl 17	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4)) → (𝑥 · 2) ∈ (0[,](1 / 2)))
39	10, 38	eqeltrd 2832	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4)) → (2 · 𝑥) ∈ (0[,](1 / 2)))
40		pcoass.2	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽))
41		pcoass.3	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐺 ∈ (II Cn 𝐽))
42		pcoass.4	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐻 ∈ (II Cn 𝐽))
43		pcoass.6	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (𝐺‘1) = (𝐻‘0))
44	41, 42, 43	pcocn 24777	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝐺(*_𝑝‘𝐽)𝐻) ∈ (II Cn 𝐽))
45	40, 44	pcoval1 24773	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (2 · 𝑥) ∈ (0[,](1 / 2))) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(2 · 𝑥)) = (𝐹‘(2 · (2 · 𝑥))))
46	40, 41	pcoval1 24773	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (2 · 𝑥) ∈ (0[,](1 / 2))) → ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)) = (𝐹‘(2 · (2 · 𝑥))))
47	45, 46	eqtr4d 2774	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (2 · 𝑥) ∈ (0[,](1 / 2))) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(2 · 𝑥)) = ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
48	39, 47	sylan2 592	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,]1) ∧ 𝑥 ≤ (1 / 4))) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(2 · 𝑥)) = ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
49	48	anassrs 467	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 4)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(2 · 𝑥)) = ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
50	3, 49	eqtrd 2771	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 4)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))) = ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
51	50	adantlr 712	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ 𝑥 ≤ (1 / 4)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))) = ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
52		simplll 772	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → 𝜑)
53	6	ad2antlr 724	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) → 𝑥 ∈ ℝ)
54	53	adantr 480	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → 𝑥 ∈ ℝ)
55		letric 11321	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ ℝ ∧ (1 / 4) ∈ ℝ) → (𝑥 ≤ (1 / 4) ∨ (1 / 4) ≤ 𝑥))
56	53, 17, 55	sylancl 585	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) → (𝑥 ≤ (1 / 4) ∨ (1 / 4) ≤ 𝑥))
57	56	orcanai 1000	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (1 / 4) ≤ 𝑥)
58		simplr 766	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → 𝑥 ≤ (1 / 2))
59		halfre 12433	. . . . . . . . . . . . 13 ⊢ (1 / 2) ∈ ℝ
60	17, 59	elicc2i 13397	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) ↔ (𝑥 ∈ ℝ ∧ (1 / 4) ≤ 𝑥 ∧ 𝑥 ≤ (1 / 2)))
61	54, 57, 58, 60	syl3anbrc 1342	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → 𝑥 ∈ ((1 / 4)[,](1 / 2)))
62	60	simp1bi 1144	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → 𝑥 ∈ ℝ)
63		readdcl 11199	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℝ ∧ (1 / 4) ∈ ℝ) → (𝑥 + (1 / 4)) ∈ ℝ)
64	62, 17, 63	sylancl 585	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (𝑥 + (1 / 4)) ∈ ℝ)
65	17	a1i 11	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (1 / 4) ∈ ℝ)
66	60	simp2bi 1145	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (1 / 4) ≤ 𝑥)
67	65, 62, 65, 66	leadd1dd 11835	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → ((1 / 4) + (1 / 4)) ≤ (𝑥 + (1 / 4)))
68	34, 67	eqbrtrrid 5184	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (1 / 2) ≤ (𝑥 + (1 / 4)))
69	59	a1i 11	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (1 / 2) ∈ ℝ)
70	60	simp3bi 1146	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → 𝑥 ≤ (1 / 2))
71		2lt4 12394	. . . . . . . . . . . . . . . . 17 ⊢ 2 < 4
72		2re 12293	. . . . . . . . . . . . . . . . . 18 ⊢ 2 ∈ ℝ
73		4re 12303	. . . . . . . . . . . . . . . . . 18 ⊢ 4 ∈ ℝ
74		2pos 12322	. . . . . . . . . . . . . . . . . 18 ⊢ 0 < 2
75		4pos 12326	. . . . . . . . . . . . . . . . . 18 ⊢ 0 < 4
76	72, 73, 74, 75	ltrecii 12137	. . . . . . . . . . . . . . . . 17 ⊢ (2 < 4 ↔ (1 / 4) < (1 / 2))
77	71, 76	mpbi 229	. . . . . . . . . . . . . . . 16 ⊢ (1 / 4) < (1 / 2)
78	17, 59, 77	ltleii 11344	. . . . . . . . . . . . . . 15 ⊢ (1 / 4) ≤ (1 / 2)
79	78	a1i 11	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (1 / 4) ≤ (1 / 2))
80	62, 65, 69, 69, 70, 79	le2addd 11840	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (𝑥 + (1 / 4)) ≤ ((1 / 2) + (1 / 2)))
81		ax-1cn 11174	. . . . . . . . . . . . . 14 ⊢ 1 ∈ ℂ
82		2halves 12447	. . . . . . . . . . . . . 14 ⊢ (1 ∈ ℂ → ((1 / 2) + (1 / 2)) = 1)
83	81, 82	ax-mp 5	. . . . . . . . . . . . 13 ⊢ ((1 / 2) + (1 / 2)) = 1
84	80, 83	breqtrdi 5189	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (𝑥 + (1 / 4)) ≤ 1)
85		1re 11221	. . . . . . . . . . . . 13 ⊢ 1 ∈ ℝ
86	59, 85	elicc2i 13397	. . . . . . . . . . . 12 ⊢ ((𝑥 + (1 / 4)) ∈ ((1 / 2)[,]1) ↔ ((𝑥 + (1 / 4)) ∈ ℝ ∧ (1 / 2) ≤ (𝑥 + (1 / 4)) ∧ (𝑥 + (1 / 4)) ≤ 1))
87	64, 68, 84, 86	syl3anbrc 1342	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (𝑥 + (1 / 4)) ∈ ((1 / 2)[,]1))
88	61, 87	syl 17	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (𝑥 + (1 / 4)) ∈ ((1 / 2)[,]1))
89		pcoass.5	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝐹‘1) = (𝐺‘0))
90	41, 42	pco0 24774	. . . . . . . . . . . 12 ⊢ (𝜑 → ((𝐺(*_𝑝‘𝐽)𝐻)‘0) = (𝐺‘0))
91	89, 90	eqtr4d 2774	. . . . . . . . . . 11 ⊢ (𝜑 → (𝐹‘1) = ((𝐺(*_𝑝‘𝐽)𝐻)‘0))
92	40, 44, 91	pcoval2 24776	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 + (1 / 4)) ∈ ((1 / 2)[,]1)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(𝑥 + (1 / 4))) = ((𝐺(*_𝑝‘𝐽)𝐻)‘((2 · (𝑥 + (1 / 4))) − 1)))
93	52, 88, 92	syl2anc 583	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(𝑥 + (1 / 4))) = ((𝐺(*_𝑝‘𝐽)𝐻)‘((2 · (𝑥 + (1 / 4))) − 1)))
94	83	oveq2i 7423	. . . . . . . . . . . 12 ⊢ ((2 · (𝑥 + (1 / 4))) − ((1 / 2) + (1 / 2))) = ((2 · (𝑥 + (1 / 4))) − 1)
95		2cnd 12297	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → 2 ∈ ℂ)
96	54	recnd 11249	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → 𝑥 ∈ ℂ)
97	22	a1i 11	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (1 / 4) ∈ ℂ)
98	95, 96, 97	adddid 11245	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (2 · (𝑥 + (1 / 4))) = ((2 · 𝑥) + (2 · (1 / 4))))
99	35	oveq2i 7423	. . . . . . . . . . . . . 14 ⊢ ((2 · 𝑥) + (2 · (1 / 4))) = ((2 · 𝑥) + (1 / 2))
100	98, 99	eqtrdi 2787	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (2 · (𝑥 + (1 / 4))) = ((2 · 𝑥) + (1 / 2)))
101	100	oveq1d 7427	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((2 · (𝑥 + (1 / 4))) − ((1 / 2) + (1 / 2))) = (((2 · 𝑥) + (1 / 2)) − ((1 / 2) + (1 / 2))))
102	94, 101	eqtr3id 2785	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((2 · (𝑥 + (1 / 4))) − 1) = (((2 · 𝑥) + (1 / 2)) − ((1 / 2) + (1 / 2))))
103		remulcl 11201	. . . . . . . . . . . . . 14 ⊢ ((2 ∈ ℝ ∧ 𝑥 ∈ ℝ) → (2 · 𝑥) ∈ ℝ)
104	72, 54, 103	sylancr 586	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (2 · 𝑥) ∈ ℝ)
105	104	recnd 11249	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (2 · 𝑥) ∈ ℂ)
106	31	a1i 11	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (1 / 2) ∈ ℂ)
107	105, 106, 106	pnpcan2d 11616	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (((2 · 𝑥) + (1 / 2)) − ((1 / 2) + (1 / 2))) = ((2 · 𝑥) − (1 / 2)))
108	102, 107	eqtrd 2771	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((2 · (𝑥 + (1 / 4))) − 1) = ((2 · 𝑥) − (1 / 2)))
109	108	fveq2d 6895	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((𝐺(_𝑝‘𝐽)𝐻)‘((2 · (𝑥 + (1 / 4))) − 1)) = ((𝐺(_𝑝‘𝐽)𝐻)‘((2 · 𝑥) − (1 / 2))))
110	4, 96, 9	sylancr 586	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (2 · 𝑥) = (𝑥 · 2))
111	81, 4, 24	divcan1i 11965	. . . . . . . . . . . . . . 15 ⊢ ((1 / 2) · 2) = 1
112	17, 59, 20, 36, 111	iccdili 13475	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (𝑥 · 2) ∈ ((1 / 2)[,]1))
113	61, 112	syl 17	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (𝑥 · 2) ∈ ((1 / 2)[,]1))
114	110, 113	eqeltrd 2832	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (2 · 𝑥) ∈ ((1 / 2)[,]1))
115	31	subidi 11538	. . . . . . . . . . . . 13 ⊢ ((1 / 2) − (1 / 2)) = 0
116		1mhlfehlf 12438	. . . . . . . . . . . . 13 ⊢ (1 − (1 / 2)) = (1 / 2)
117	59, 85, 59, 115, 116	iccshftli 13473	. . . . . . . . . . . 12 ⊢ ((2 · 𝑥) ∈ ((1 / 2)[,]1) → ((2 · 𝑥) − (1 / 2)) ∈ (0[,](1 / 2)))
118	114, 117	syl 17	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((2 · 𝑥) − (1 / 2)) ∈ (0[,](1 / 2)))
119	41, 42	pcoval1 24773	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((2 · 𝑥) − (1 / 2)) ∈ (0[,](1 / 2))) → ((𝐺(*_𝑝‘𝐽)𝐻)‘((2 · 𝑥) − (1 / 2))) = (𝐺‘(2 · ((2 · 𝑥) − (1 / 2)))))
120	52, 118, 119	syl2anc 583	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((𝐺(*_𝑝‘𝐽)𝐻)‘((2 · 𝑥) − (1 / 2))) = (𝐺‘(2 · ((2 · 𝑥) − (1 / 2)))))
121	95, 105, 106	subdid 11677	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (2 · ((2 · 𝑥) − (1 / 2))) = ((2 · (2 · 𝑥)) − (2 · (1 / 2))))
122	4, 24	recidi 11952	. . . . . . . . . . . . 13 ⊢ (2 · (1 / 2)) = 1
123	122	oveq2i 7423	. . . . . . . . . . . 12 ⊢ ((2 · (2 · 𝑥)) − (2 · (1 / 2))) = ((2 · (2 · 𝑥)) − 1)
124	121, 123	eqtrdi 2787	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (2 · ((2 · 𝑥) − (1 / 2))) = ((2 · (2 · 𝑥)) − 1))
125	124	fveq2d 6895	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → (𝐺‘(2 · ((2 · 𝑥) − (1 / 2)))) = (𝐺‘((2 · (2 · 𝑥)) − 1)))
126	120, 125	eqtrd 2771	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((𝐺(*_𝑝‘𝐽)𝐻)‘((2 · 𝑥) − (1 / 2))) = (𝐺‘((2 · (2 · 𝑥)) − 1)))
127	93, 109, 126	3eqtrd 2775	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(𝑥 + (1 / 4))) = (𝐺‘((2 · (2 · 𝑥)) − 1)))
128		iffalse 4537	. . . . . . . . . 10 ⊢ (¬ 𝑥 ≤ (1 / 4) → if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))) = (𝑥 + (1 / 4)))
129	128	fveq2d 6895	. . . . . . . . 9 ⊢ (¬ 𝑥 ≤ (1 / 4) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(𝑥 + (1 / 4))))
130	129	adantl 481	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘(𝑥 + (1 / 4))))
131	40, 41, 89	pcoval2 24776	. . . . . . . . 9 ⊢ ((𝜑 ∧ (2 · 𝑥) ∈ ((1 / 2)[,]1)) → ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)) = (𝐺‘((2 · (2 · 𝑥)) − 1)))
132	52, 114, 131	syl2anc 583	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)) = (𝐺‘((2 · (2 · 𝑥)) − 1)))
133	127, 130, 132	3eqtr4d 2781	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) ∧ ¬ 𝑥 ≤ (1 / 4)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))) = ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
134	51, 133	pm2.61dan 810	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))) = ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
135		iftrue 4534	. . . . . . . 8 ⊢ (𝑥 ≤ (1 / 2) → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))))
136	135	fveq2d 6895	. . . . . . 7 ⊢ (𝑥 ≤ (1 / 2) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))))
137	136	adantl 481	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4)))))
138		iftrue 4534	. . . . . . 7 ⊢ (𝑥 ≤ (1 / 2) → if(𝑥 ≤ (1 / 2), ((𝐹(_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1))) = ((𝐹(_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
139	138	adantl 481	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) → if(𝑥 ≤ (1 / 2), ((𝐹(_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1))) = ((𝐹(_𝑝‘𝐽)𝐺)‘(2 · 𝑥)))
140	134, 137, 139	3eqtr4d 2781	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ 𝑥 ≤ (1 / 2)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))) = if(𝑥 ≤ (1 / 2), ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1))))
141		elii2 24692	. . . . . . . 8 ⊢ ((𝑥 ∈ (0[,]1) ∧ ¬ 𝑥 ≤ (1 / 2)) → 𝑥 ∈ ((1 / 2)[,]1))
142		halfge0 12436	. . . . . . . . . . . . . 14 ⊢ 0 ≤ (1 / 2)
143		halflt1 12437	. . . . . . . . . . . . . . 15 ⊢ (1 / 2) < 1
144	59, 85, 143	ltleii 11344	. . . . . . . . . . . . . 14 ⊢ (1 / 2) ≤ 1
145		elicc01 13450	. . . . . . . . . . . . . 14 ⊢ ((1 / 2) ∈ (0[,]1) ↔ ((1 / 2) ∈ ℝ ∧ 0 ≤ (1 / 2) ∧ (1 / 2) ≤ 1))
146	59, 142, 144, 145	mpbir3an 1340	. . . . . . . . . . . . 13 ⊢ (1 / 2) ∈ (0[,]1)
147		1elunit 13454	. . . . . . . . . . . . 13 ⊢ 1 ∈ (0[,]1)
148		iccss2 13402	. . . . . . . . . . . . 13 ⊢ (((1 / 2) ∈ (0[,]1) ∧ 1 ∈ (0[,]1)) → ((1 / 2)[,]1) ⊆ (0[,]1))
149	146, 147, 148	mp2an 689	. . . . . . . . . . . 12 ⊢ ((1 / 2)[,]1) ⊆ (0[,]1)
150	149	sseli 3978	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → 𝑥 ∈ (0[,]1))
151	4, 24	div0i 11955	. . . . . . . . . . . 12 ⊢ (0 / 2) = 0
152		eqid 2731	. . . . . . . . . . . 12 ⊢ (1 / 2) = (1 / 2)
153	14, 85, 20, 151, 152	icccntri 13477	. . . . . . . . . . 11 ⊢ (𝑥 ∈ (0[,]1) → (𝑥 / 2) ∈ (0[,](1 / 2)))
154	31	addlidi 11409	. . . . . . . . . . . 12 ⊢ (0 + (1 / 2)) = (1 / 2)
155	14, 59, 59, 154, 83	iccshftri 13471	. . . . . . . . . . 11 ⊢ ((𝑥 / 2) ∈ (0[,](1 / 2)) → ((𝑥 / 2) + (1 / 2)) ∈ ((1 / 2)[,]1))
156	150, 153, 155	3syl 18	. . . . . . . . . 10 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → ((𝑥 / 2) + (1 / 2)) ∈ ((1 / 2)[,]1))
157	40, 44, 91	pcoval2 24776	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ((𝑥 / 2) + (1 / 2)) ∈ ((1 / 2)[,]1)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘((𝑥 / 2) + (1 / 2))) = ((𝐺(*_𝑝‘𝐽)𝐻)‘((2 · ((𝑥 / 2) + (1 / 2))) − 1)))
158	156, 157	sylan2 592	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ ((1 / 2)[,]1)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘((𝑥 / 2) + (1 / 2))) = ((𝐺(*_𝑝‘𝐽)𝐻)‘((2 · ((𝑥 / 2) + (1 / 2))) − 1)))
159	59, 85	elicc2i 13397	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 2)[,]1) ↔ (𝑥 ∈ ℝ ∧ (1 / 2) ≤ 𝑥 ∧ 𝑥 ≤ 1))
160	159	simp1bi 1144	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → 𝑥 ∈ ℝ)
161	160	recnd 11249	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → 𝑥 ∈ ℂ)
162		1cnd 11216	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → 1 ∈ ℂ)
163		2cnd 12297	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → 2 ∈ ℂ)
164	24	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → 2 ≠ 0)
165	161, 162, 163, 164	divdird 12035	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → ((𝑥 + 1) / 2) = ((𝑥 / 2) + (1 / 2)))
166	165	oveq2d 7428	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → (2 · ((𝑥 + 1) / 2)) = (2 · ((𝑥 / 2) + (1 / 2))))
167		peano2cn 11393	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ ℂ → (𝑥 + 1) ∈ ℂ)
168	161, 167	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → (𝑥 + 1) ∈ ℂ)
169	168, 163, 164	divcan2d 11999	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → (2 · ((𝑥 + 1) / 2)) = (𝑥 + 1))
170	166, 169	eqtr3d 2773	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → (2 · ((𝑥 / 2) + (1 / 2))) = (𝑥 + 1))
171	161, 162, 170	mvrraddd 11633	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → ((2 · ((𝑥 / 2) + (1 / 2))) − 1) = 𝑥)
172	171	fveq2d 6895	. . . . . . . . . 10 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → ((𝐺(_𝑝‘𝐽)𝐻)‘((2 · ((𝑥 / 2) + (1 / 2))) − 1)) = ((𝐺(_𝑝‘𝐽)𝐻)‘𝑥))
173	172	adantl 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ ((1 / 2)[,]1)) → ((𝐺(_𝑝‘𝐽)𝐻)‘((2 · ((𝑥 / 2) + (1 / 2))) − 1)) = ((𝐺(_𝑝‘𝐽)𝐻)‘𝑥))
174	41, 42, 43	pcoval2 24776	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ ((1 / 2)[,]1)) → ((𝐺(*_𝑝‘𝐽)𝐻)‘𝑥) = (𝐻‘((2 · 𝑥) − 1)))
175	158, 173, 174	3eqtrd 2775	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ ((1 / 2)[,]1)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘((𝑥 / 2) + (1 / 2))) = (𝐻‘((2 · 𝑥) − 1)))
176	141, 175	sylan2 592	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,]1) ∧ ¬ 𝑥 ≤ (1 / 2))) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘((𝑥 / 2) + (1 / 2))) = (𝐻‘((2 · 𝑥) − 1)))
177	176	anassrs 467	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ ¬ 𝑥 ≤ (1 / 2)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘((𝑥 / 2) + (1 / 2))) = (𝐻‘((2 · 𝑥) − 1)))
178		iffalse 4537	. . . . . . . 8 ⊢ (¬ 𝑥 ≤ (1 / 2) → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = ((𝑥 / 2) + (1 / 2)))
179	178	fveq2d 6895	. . . . . . 7 ⊢ (¬ 𝑥 ≤ (1 / 2) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘((𝑥 / 2) + (1 / 2))))
180	179	adantl 481	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ ¬ 𝑥 ≤ (1 / 2)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘((𝑥 / 2) + (1 / 2))))
181		iffalse 4537	. . . . . . 7 ⊢ (¬ 𝑥 ≤ (1 / 2) → if(𝑥 ≤ (1 / 2), ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1))) = (𝐻‘((2 · 𝑥) − 1)))
182	181	adantl 481	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ ¬ 𝑥 ≤ (1 / 2)) → if(𝑥 ≤ (1 / 2), ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1))) = (𝐻‘((2 · 𝑥) − 1)))
183	177, 180, 182	3eqtr4d 2781	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ (0[,]1)) ∧ ¬ 𝑥 ≤ (1 / 2)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))) = if(𝑥 ≤ (1 / 2), ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1))))
184	140, 183	pm2.61dan 810	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (0[,]1)) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))) = if(𝑥 ≤ (1 / 2), ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1))))
185	184	mpteq2dva 5248	. . 3 ⊢ (𝜑 → (𝑥 ∈ (0[,]1) ↦ ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))))) = (𝑥 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1)))))
186		pcoass.7	. . . . . . 7 ⊢ 𝑃 = (𝑥 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))))
187		iitopon 24632	. . . . . . . . 9 ⊢ II ∈ (TopOn‘(0[,]1))
188	187	a1i 11	. . . . . . . 8 ⊢ (𝜑 → II ∈ (TopOn‘(0[,]1)))
189	188	cnmptid 23398	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (0[,]1) ↦ 𝑥) ∈ (II Cn II))
190		0elunit 13453	. . . . . . . . . 10 ⊢ 0 ∈ (0[,]1)
191	190	a1i 11	. . . . . . . . 9 ⊢ (𝜑 → 0 ∈ (0[,]1))
192	188, 188, 191	cnmptc 23399	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (0[,]1) ↦ 0) ∈ (II Cn II))
193		eqid 2731	. . . . . . . . 9 ⊢ (topGen‘ran (,)) = (topGen‘ran (,))
194		eqid 2731	. . . . . . . . 9 ⊢ ((topGen‘ran (,)) ↾_t (0[,](1 / 2))) = ((topGen‘ran (,)) ↾_t (0[,](1 / 2)))
195		eqid 2731	. . . . . . . . 9 ⊢ ((topGen‘ran (,)) ↾_t ((1 / 2)[,]1)) = ((topGen‘ran (,)) ↾_t ((1 / 2)[,]1))
196		dfii2 24635	. . . . . . . . 9 ⊢ II = ((topGen‘ran (,)) ↾_t (0[,]1))
197		0red 11224	. . . . . . . . 9 ⊢ (𝜑 → 0 ∈ ℝ)
198		1red 11222	. . . . . . . . 9 ⊢ (𝜑 → 1 ∈ ℝ)
199	146	a1i 11	. . . . . . . . 9 ⊢ (𝜑 → (1 / 2) ∈ (0[,]1))
200		simprl 768	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → 𝑦 = (1 / 2))
201	200	oveq1d 7427	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → (𝑦 + (1 / 4)) = ((1 / 2) + (1 / 4)))
202	31, 22	addcomi 11412	. . . . . . . . . . 11 ⊢ ((1 / 2) + (1 / 4)) = ((1 / 4) + (1 / 2))
203	201, 202	eqtrdi 2787	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → (𝑦 + (1 / 4)) = ((1 / 4) + (1 / 2)))
204	17, 59	ltnlei 11342	. . . . . . . . . . . . 13 ⊢ ((1 / 4) < (1 / 2) ↔ ¬ (1 / 2) ≤ (1 / 4))
205	77, 204	mpbi 229	. . . . . . . . . . . 12 ⊢ ¬ (1 / 2) ≤ (1 / 4)
206	200	breq1d 5158	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → (𝑦 ≤ (1 / 4) ↔ (1 / 2) ≤ (1 / 4)))
207	205, 206	mtbiri 327	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → ¬ 𝑦 ≤ (1 / 4))
208	207	iffalsed 4539	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4))) = (𝑦 + (1 / 4)))
209	200	oveq1d 7427	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → (𝑦 / 2) = ((1 / 2) / 2))
210	209, 29	eqtrdi 2787	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → (𝑦 / 2) = (1 / 4))
211	210	oveq1d 7427	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → ((𝑦 / 2) + (1 / 2)) = ((1 / 4) + (1 / 2)))
212	203, 208, 211	3eqtr4d 2781	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑦 = (1 / 2) ∧ 𝑧 ∈ (0[,]1))) → if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4))) = ((𝑦 / 2) + (1 / 2)))
213		eqid 2731	. . . . . . . . . 10 ⊢ ((topGen‘ran (,)) ↾_t (0[,](1 / 4))) = ((topGen‘ran (,)) ↾_t (0[,](1 / 4)))
214		eqid 2731	. . . . . . . . . 10 ⊢ ((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2))) = ((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2)))
215	59	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → (1 / 2) ∈ ℝ)
216	73, 75	recgt0ii 12127	. . . . . . . . . . . . 13 ⊢ 0 < (1 / 4)
217	14, 17, 216	ltleii 11344	. . . . . . . . . . . 12 ⊢ 0 ≤ (1 / 4)
218	14, 59	elicc2i 13397	. . . . . . . . . . . 12 ⊢ ((1 / 4) ∈ (0[,](1 / 2)) ↔ ((1 / 4) ∈ ℝ ∧ 0 ≤ (1 / 4) ∧ (1 / 4) ≤ (1 / 2)))
219	17, 217, 78, 218	mpbir3an 1340	. . . . . . . . . . 11 ⊢ (1 / 4) ∈ (0[,](1 / 2))
220	219	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → (1 / 4) ∈ (0[,](1 / 2)))
221		simprl 768	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ (𝑦 = (1 / 4) ∧ 𝑧 ∈ (0[,]1))) → 𝑦 = (1 / 4))
222	221	oveq2d 7428	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑦 = (1 / 4) ∧ 𝑧 ∈ (0[,]1))) → (2 · 𝑦) = (2 · (1 / 4)))
223	221	oveq1d 7427	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑦 = (1 / 4) ∧ 𝑧 ∈ (0[,]1))) → (𝑦 + (1 / 4)) = ((1 / 4) + (1 / 4)))
224	23, 222, 223	3eqtr4a 2797	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑦 = (1 / 4) ∧ 𝑧 ∈ (0[,]1))) → (2 · 𝑦) = (𝑦 + (1 / 4)))
225		retopon 24513	. . . . . . . . . . . . 13 ⊢ (topGen‘ran (,)) ∈ (TopOn‘ℝ)
226		0xr 11268	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ ℝ^*
227	59	rexri 11279	. . . . . . . . . . . . . . . 16 ⊢ (1 / 2) ∈ ℝ^*
228		lbicc2 13448	. . . . . . . . . . . . . . . 16 ⊢ ((0 ∈ ℝ^* ∧ (1 / 2) ∈ ℝ^* ∧ 0 ≤ (1 / 2)) → 0 ∈ (0[,](1 / 2)))
229	226, 227, 142, 228	mp3an 1460	. . . . . . . . . . . . . . 15 ⊢ 0 ∈ (0[,](1 / 2))
230		iccss2 13402	. . . . . . . . . . . . . . 15 ⊢ ((0 ∈ (0[,](1 / 2)) ∧ (1 / 4) ∈ (0[,](1 / 2))) → (0[,](1 / 4)) ⊆ (0[,](1 / 2)))
231	229, 219, 230	mp2an 689	. . . . . . . . . . . . . 14 ⊢ (0[,](1 / 4)) ⊆ (0[,](1 / 2))
232		iccssre 13413	. . . . . . . . . . . . . . 15 ⊢ ((0 ∈ ℝ ∧ (1 / 2) ∈ ℝ) → (0[,](1 / 2)) ⊆ ℝ)
233	14, 59, 232	mp2an 689	. . . . . . . . . . . . . 14 ⊢ (0[,](1 / 2)) ⊆ ℝ
234	231, 233	sstri 3991	. . . . . . . . . . . . 13 ⊢ (0[,](1 / 4)) ⊆ ℝ
235		resttopon 22898	. . . . . . . . . . . . 13 ⊢ (((topGen‘ran (,)) ∈ (TopOn‘ℝ) ∧ (0[,](1 / 4)) ⊆ ℝ) → ((topGen‘ran (,)) ↾_t (0[,](1 / 4))) ∈ (TopOn‘(0[,](1 / 4))))
236	225, 234, 235	mp2an 689	. . . . . . . . . . . 12 ⊢ ((topGen‘ran (,)) ↾_t (0[,](1 / 4))) ∈ (TopOn‘(0[,](1 / 4)))
237	236	a1i 11	. . . . . . . . . . 11 ⊢ (𝜑 → ((topGen‘ran (,)) ↾_t (0[,](1 / 4))) ∈ (TopOn‘(0[,](1 / 4))))
238	237, 188	cnmpt1st 23405	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑦 ∈ (0[,](1 / 4)), 𝑧 ∈ (0[,]1) ↦ 𝑦) ∈ ((((topGen‘ran (,)) ↾_t (0[,](1 / 4))) ×_t II) Cn ((topGen‘ran (,)) ↾_t (0[,](1 / 4)))))
239		retop 24511	. . . . . . . . . . . . . 14 ⊢ (topGen‘ran (,)) ∈ Top
240		ovex 7445	. . . . . . . . . . . . . 14 ⊢ (0[,](1 / 2)) ∈ V
241		restabs 22902	. . . . . . . . . . . . . 14 ⊢ (((topGen‘ran (,)) ∈ Top ∧ (0[,](1 / 4)) ⊆ (0[,](1 / 2)) ∧ (0[,](1 / 2)) ∈ V) → (((topGen‘ran (,)) ↾_t (0[,](1 / 2))) ↾_t (0[,](1 / 4))) = ((topGen‘ran (,)) ↾_t (0[,](1 / 4))))
242	239, 231, 240, 241	mp3an 1460	. . . . . . . . . . . . 13 ⊢ (((topGen‘ran (,)) ↾_t (0[,](1 / 2))) ↾_t (0[,](1 / 4))) = ((topGen‘ran (,)) ↾_t (0[,](1 / 4)))
243	242	eqcomi 2740	. . . . . . . . . . . 12 ⊢ ((topGen‘ran (,)) ↾_t (0[,](1 / 4))) = (((topGen‘ran (,)) ↾_t (0[,](1 / 2))) ↾_t (0[,](1 / 4)))
244		resttopon 22898	. . . . . . . . . . . . . 14 ⊢ (((topGen‘ran (,)) ∈ (TopOn‘ℝ) ∧ (0[,](1 / 2)) ⊆ ℝ) → ((topGen‘ran (,)) ↾_t (0[,](1 / 2))) ∈ (TopOn‘(0[,](1 / 2))))
245	225, 233, 244	mp2an 689	. . . . . . . . . . . . 13 ⊢ ((topGen‘ran (,)) ↾_t (0[,](1 / 2))) ∈ (TopOn‘(0[,](1 / 2)))
246	245	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → ((topGen‘ran (,)) ↾_t (0[,](1 / 2))) ∈ (TopOn‘(0[,](1 / 2))))
247	231	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → (0[,](1 / 4)) ⊆ (0[,](1 / 2)))
248	194	iihalf1cn 24686	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ (0[,](1 / 2)) ↦ (2 · 𝑥)) ∈ (((topGen‘ran (,)) ↾_t (0[,](1 / 2))) Cn II)
249	248	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝑥 ∈ (0[,](1 / 2)) ↦ (2 · 𝑥)) ∈ (((topGen‘ran (,)) ↾_t (0[,](1 / 2))) Cn II))
250	243, 246, 247, 249	cnmpt1res 23413	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑥 ∈ (0[,](1 / 4)) ↦ (2 · 𝑥)) ∈ (((topGen‘ran (,)) ↾_t (0[,](1 / 4))) Cn II))
251		oveq2 7420	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑦 → (2 · 𝑥) = (2 · 𝑦))
252	237, 188, 238, 237, 250, 251	cnmpt21 23408	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ (0[,](1 / 4)), 𝑧 ∈ (0[,]1) ↦ (2 · 𝑦)) ∈ ((((topGen‘ran (,)) ↾_t (0[,](1 / 4))) ×_t II) Cn II))
253		iccssre 13413	. . . . . . . . . . . . . 14 ⊢ (((1 / 4) ∈ ℝ ∧ (1 / 2) ∈ ℝ) → ((1 / 4)[,](1 / 2)) ⊆ ℝ)
254	17, 59, 253	mp2an 689	. . . . . . . . . . . . 13 ⊢ ((1 / 4)[,](1 / 2)) ⊆ ℝ
255		resttopon 22898	. . . . . . . . . . . . 13 ⊢ (((topGen‘ran (,)) ∈ (TopOn‘ℝ) ∧ ((1 / 4)[,](1 / 2)) ⊆ ℝ) → ((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2))) ∈ (TopOn‘((1 / 4)[,](1 / 2))))
256	225, 254, 255	mp2an 689	. . . . . . . . . . . 12 ⊢ ((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2))) ∈ (TopOn‘((1 / 4)[,](1 / 2)))
257	256	a1i 11	. . . . . . . . . . 11 ⊢ (𝜑 → ((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2))) ∈ (TopOn‘((1 / 4)[,](1 / 2))))
258	257, 188	cnmpt1st 23405	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑦 ∈ ((1 / 4)[,](1 / 2)), 𝑧 ∈ (0[,]1) ↦ 𝑦) ∈ ((((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2))) ×_t II) Cn ((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2)))))
259		eqid 2731	. . . . . . . . . . . 12 ⊢ (TopOpen‘ℂ_fld) = (TopOpen‘ℂ_fld)
260	254	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → ((1 / 4)[,](1 / 2)) ⊆ ℝ)
261		unitssre 13483	. . . . . . . . . . . . 13 ⊢ (0[,]1) ⊆ ℝ
262	261	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → (0[,]1) ⊆ ℝ)
263	149, 87	sselid 3980	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ((1 / 4)[,](1 / 2)) → (𝑥 + (1 / 4)) ∈ (0[,]1))
264	263	adantl 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑥 ∈ ((1 / 4)[,](1 / 2))) → (𝑥 + (1 / 4)) ∈ (0[,]1))
265	259	cnfldtopon 24532	. . . . . . . . . . . . . 14 ⊢ (TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ)
266	265	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → (TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ))
267	266	cnmptid 23398	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑥 ∈ ℂ ↦ 𝑥) ∈ ((TopOpen‘ℂ_fld) Cn (TopOpen‘ℂ_fld)))
268	17	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (1 / 4) ∈ ℝ)
269	268	recnd 11249	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (1 / 4) ∈ ℂ)
270	266, 266, 269	cnmptc 23399	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑥 ∈ ℂ ↦ (1 / 4)) ∈ ((TopOpen‘ℂ_fld) Cn (TopOpen‘ℂ_fld)))
271	259	addcn 24614	. . . . . . . . . . . . . 14 ⊢ + ∈ (((TopOpen‘ℂ_fld) ×_t (TopOpen‘ℂ_fld)) Cn (TopOpen‘ℂ_fld))
272	271	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → + ∈ (((TopOpen‘ℂ_fld) ×_t (TopOpen‘ℂ_fld)) Cn (TopOpen‘ℂ_fld)))
273	266, 267, 270, 272	cnmpt12f 23403	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝑥 ∈ ℂ ↦ (𝑥 + (1 / 4))) ∈ ((TopOpen‘ℂ_fld) Cn (TopOpen‘ℂ_fld)))
274	259, 214, 196, 260, 262, 264, 273	cnmptre 24681	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑥 ∈ ((1 / 4)[,](1 / 2)) ↦ (𝑥 + (1 / 4))) ∈ (((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2))) Cn II))
275		oveq1 7419	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑦 → (𝑥 + (1 / 4)) = (𝑦 + (1 / 4)))
276	257, 188, 258, 257, 274, 275	cnmpt21 23408	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ ((1 / 4)[,](1 / 2)), 𝑧 ∈ (0[,]1) ↦ (𝑦 + (1 / 4))) ∈ ((((topGen‘ran (,)) ↾_t ((1 / 4)[,](1 / 2))) ×_t II) Cn II))
277	193, 213, 214, 194, 197, 215, 220, 188, 224, 252, 276	cnmpopc 24682	. . . . . . . . 9 ⊢ (𝜑 → (𝑦 ∈ (0[,](1 / 2)), 𝑧 ∈ (0[,]1) ↦ if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4)))) ∈ ((((topGen‘ran (,)) ↾_t (0[,](1 / 2))) ×_t II) Cn II))
278		iccssre 13413	. . . . . . . . . . . . 13 ⊢ (((1 / 2) ∈ ℝ ∧ 1 ∈ ℝ) → ((1 / 2)[,]1) ⊆ ℝ)
279	59, 85, 278	mp2an 689	. . . . . . . . . . . 12 ⊢ ((1 / 2)[,]1) ⊆ ℝ
280		resttopon 22898	. . . . . . . . . . . 12 ⊢ (((topGen‘ran (,)) ∈ (TopOn‘ℝ) ∧ ((1 / 2)[,]1) ⊆ ℝ) → ((topGen‘ran (,)) ↾_t ((1 / 2)[,]1)) ∈ (TopOn‘((1 / 2)[,]1)))
281	225, 279, 280	mp2an 689	. . . . . . . . . . 11 ⊢ ((topGen‘ran (,)) ↾_t ((1 / 2)[,]1)) ∈ (TopOn‘((1 / 2)[,]1))
282	281	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → ((topGen‘ran (,)) ↾_t ((1 / 2)[,]1)) ∈ (TopOn‘((1 / 2)[,]1)))
283	282, 188	cnmpt1st 23405	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ ((1 / 2)[,]1), 𝑧 ∈ (0[,]1) ↦ 𝑦) ∈ ((((topGen‘ran (,)) ↾_t ((1 / 2)[,]1)) ×_t II) Cn ((topGen‘ran (,)) ↾_t ((1 / 2)[,]1))))
284	279	a1i 11	. . . . . . . . . . 11 ⊢ (𝜑 → ((1 / 2)[,]1) ⊆ ℝ)
285	149, 156	sselid 3980	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ((1 / 2)[,]1) → ((𝑥 / 2) + (1 / 2)) ∈ (0[,]1))
286	285	adantl 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑥 ∈ ((1 / 2)[,]1)) → ((𝑥 / 2) + (1 / 2)) ∈ (0[,]1))
287	259	divccn 24624	. . . . . . . . . . . . . 14 ⊢ ((2 ∈ ℂ ∧ 2 ≠ 0) → (𝑥 ∈ ℂ ↦ (𝑥 / 2)) ∈ ((TopOpen‘ℂ_fld) Cn (TopOpen‘ℂ_fld)))
288	4, 24, 287	mp2an 689	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℂ ↦ (𝑥 / 2)) ∈ ((TopOpen‘ℂ_fld) Cn (TopOpen‘ℂ_fld))
289	288	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝑥 ∈ ℂ ↦ (𝑥 / 2)) ∈ ((TopOpen‘ℂ_fld) Cn (TopOpen‘ℂ_fld)))
290	31	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → (1 / 2) ∈ ℂ)
291	266, 266, 290	cnmptc 23399	. . . . . . . . . . . 12 ⊢ (𝜑 → (𝑥 ∈ ℂ ↦ (1 / 2)) ∈ ((TopOpen‘ℂ_fld) Cn (TopOpen‘ℂ_fld)))
292	266, 289, 291, 272	cnmpt12f 23403	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑥 ∈ ℂ ↦ ((𝑥 / 2) + (1 / 2))) ∈ ((TopOpen‘ℂ_fld) Cn (TopOpen‘ℂ_fld)))
293	259, 195, 196, 284, 262, 286, 292	cnmptre 24681	. . . . . . . . . 10 ⊢ (𝜑 → (𝑥 ∈ ((1 / 2)[,]1) ↦ ((𝑥 / 2) + (1 / 2))) ∈ (((topGen‘ran (,)) ↾_t ((1 / 2)[,]1)) Cn II))
294		oveq1 7419	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑦 → (𝑥 / 2) = (𝑦 / 2))
295	294	oveq1d 7427	. . . . . . . . . 10 ⊢ (𝑥 = 𝑦 → ((𝑥 / 2) + (1 / 2)) = ((𝑦 / 2) + (1 / 2)))
296	282, 188, 283, 282, 293, 295	cnmpt21 23408	. . . . . . . . 9 ⊢ (𝜑 → (𝑦 ∈ ((1 / 2)[,]1), 𝑧 ∈ (0[,]1) ↦ ((𝑦 / 2) + (1 / 2))) ∈ ((((topGen‘ran (,)) ↾_t ((1 / 2)[,]1)) ×_t II) Cn II))
297	193, 194, 195, 196, 197, 198, 199, 188, 212, 277, 296	cnmpopc 24682	. . . . . . . 8 ⊢ (𝜑 → (𝑦 ∈ (0[,]1), 𝑧 ∈ (0[,]1) ↦ if(𝑦 ≤ (1 / 2), if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4))), ((𝑦 / 2) + (1 / 2)))) ∈ ((II ×_t II) Cn II))
298		breq1 5151	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑦 → (𝑥 ≤ (1 / 2) ↔ 𝑦 ≤ (1 / 2)))
299		breq1 5151	. . . . . . . . . . . . 13 ⊢ (𝑥 = 𝑦 → (𝑥 ≤ (1 / 4) ↔ 𝑦 ≤ (1 / 4)))
300	299, 251, 275	ifbieq12d 4556	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑦 → if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))) = if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4))))
301	298, 300, 295	ifbieq12d 4556	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑦 → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = if(𝑦 ≤ (1 / 2), if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4))), ((𝑦 / 2) + (1 / 2))))
302	301	equcoms 2022	. . . . . . . . . 10 ⊢ (𝑦 = 𝑥 → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = if(𝑦 ≤ (1 / 2), if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4))), ((𝑦 / 2) + (1 / 2))))
303	302	adantr 480	. . . . . . . . 9 ⊢ ((𝑦 = 𝑥 ∧ 𝑧 = 0) → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = if(𝑦 ≤ (1 / 2), if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4))), ((𝑦 / 2) + (1 / 2))))
304	303	eqcomd 2737	. . . . . . . 8 ⊢ ((𝑦 = 𝑥 ∧ 𝑧 = 0) → if(𝑦 ≤ (1 / 2), if(𝑦 ≤ (1 / 4), (2 · 𝑦), (𝑦 + (1 / 4))), ((𝑦 / 2) + (1 / 2))) = if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))))
305	188, 189, 192, 188, 188, 297, 304	cnmpt12 23404	. . . . . . 7 ⊢ (𝜑 → (𝑥 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))) ∈ (II Cn II))
306	186, 305	eqeltrid 2836	. . . . . 6 ⊢ (𝜑 → 𝑃 ∈ (II Cn II))
307		iiuni 24634	. . . . . . 7 ⊢ (0[,]1) = ∪ II
308	307, 307	cnf 22983	. . . . . 6 ⊢ (𝑃 ∈ (II Cn II) → 𝑃:(0[,]1)⟶(0[,]1))
309	306, 308	syl 17	. . . . 5 ⊢ (𝜑 → 𝑃:(0[,]1)⟶(0[,]1))
310	186	fmpt 7111	. . . . 5 ⊢ (∀𝑥 ∈ (0[,]1)if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) ∈ (0[,]1) ↔ 𝑃:(0[,]1)⟶(0[,]1))
311	309, 310	sylibr 233	. . . 4 ⊢ (𝜑 → ∀𝑥 ∈ (0[,]1)if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) ∈ (0[,]1))
312	186	a1i 11	. . . 4 ⊢ (𝜑 → 𝑃 = (𝑥 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))))
313	40, 44, 91	pcocn 24777	. . . . . 6 ⊢ (𝜑 → (𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)) ∈ (II Cn 𝐽))
314		eqid 2731	. . . . . . 7 ⊢ ∪ 𝐽 = ∪ 𝐽
315	307, 314	cnf 22983	. . . . . 6 ⊢ ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)) ∈ (II Cn 𝐽) → (𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)):(0[,]1)⟶∪ 𝐽)
316	313, 315	syl 17	. . . . 5 ⊢ (𝜑 → (𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)):(0[,]1)⟶∪ 𝐽)
317	316	feqmptd 6960	. . . 4 ⊢ (𝜑 → (𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)) = (𝑦 ∈ (0[,]1) ↦ ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘𝑦)))
318		fveq2 6891	. . . 4 ⊢ (𝑦 = if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘𝑦) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2)))))
319	311, 312, 317, 318	fmptcof 7130	. . 3 ⊢ (𝜑 → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)) ∘ 𝑃) = (𝑥 ∈ (0[,]1) ↦ ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻))‘if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))))))
320	40, 41, 89	pcocn 24777	. . . 4 ⊢ (𝜑 → (𝐹(*_𝑝‘𝐽)𝐺) ∈ (II Cn 𝐽))
321	320, 42	pcoval 24771	. . 3 ⊢ (𝜑 → ((𝐹(_𝑝‘𝐽)𝐺)(_𝑝‘𝐽)𝐻) = (𝑥 ∈ (0[,]1) ↦ if(𝑥 ≤ (1 / 2), ((𝐹(*_𝑝‘𝐽)𝐺)‘(2 · 𝑥)), (𝐻‘((2 · 𝑥) − 1)))))
322	185, 319, 321	3eqtr4rd 2782	. 2 ⊢ (𝜑 → ((𝐹(_𝑝‘𝐽)𝐺)(_𝑝‘𝐽)𝐻) = ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)) ∘ 𝑃))
323		id 22	. . . . . . . 8 ⊢ (𝑥 = 0 → 𝑥 = 0)
324	323, 142	eqbrtrdi 5187	. . . . . . 7 ⊢ (𝑥 = 0 → 𝑥 ≤ (1 / 2))
325	324	iftrued 4536	. . . . . 6 ⊢ (𝑥 = 0 → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))))
326	323, 217	eqbrtrdi 5187	. . . . . . 7 ⊢ (𝑥 = 0 → 𝑥 ≤ (1 / 4))
327	326	iftrued 4536	. . . . . 6 ⊢ (𝑥 = 0 → if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))) = (2 · 𝑥))
328		oveq2 7420	. . . . . . 7 ⊢ (𝑥 = 0 → (2 · 𝑥) = (2 · 0))
329		2t0e0 12388	. . . . . . 7 ⊢ (2 · 0) = 0
330	328, 329	eqtrdi 2787	. . . . . 6 ⊢ (𝑥 = 0 → (2 · 𝑥) = 0)
331	325, 327, 330	3eqtrd 2775	. . . . 5 ⊢ (𝑥 = 0 → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = 0)
332		c0ex 11215	. . . . 5 ⊢ 0 ∈ V
333	331, 186, 332	fvmpt 6998	. . . 4 ⊢ (0 ∈ (0[,]1) → (𝑃‘0) = 0)
334	191, 333	syl 17	. . 3 ⊢ (𝜑 → (𝑃‘0) = 0)
335	147	a1i 11	. . . 4 ⊢ (𝜑 → 1 ∈ (0[,]1))
336	59, 85	ltnlei 11342	. . . . . . . . 9 ⊢ ((1 / 2) < 1 ↔ ¬ 1 ≤ (1 / 2))
337	143, 336	mpbi 229	. . . . . . . 8 ⊢ ¬ 1 ≤ (1 / 2)
338		breq1 5151	. . . . . . . 8 ⊢ (𝑥 = 1 → (𝑥 ≤ (1 / 2) ↔ 1 ≤ (1 / 2)))
339	337, 338	mtbiri 327	. . . . . . 7 ⊢ (𝑥 = 1 → ¬ 𝑥 ≤ (1 / 2))
340	339	iffalsed 4539	. . . . . 6 ⊢ (𝑥 = 1 → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = ((𝑥 / 2) + (1 / 2)))
341		oveq1 7419	. . . . . . . 8 ⊢ (𝑥 = 1 → (𝑥 / 2) = (1 / 2))
342	341	oveq1d 7427	. . . . . . 7 ⊢ (𝑥 = 1 → ((𝑥 / 2) + (1 / 2)) = ((1 / 2) + (1 / 2)))
343	342, 83	eqtrdi 2787	. . . . . 6 ⊢ (𝑥 = 1 → ((𝑥 / 2) + (1 / 2)) = 1)
344	340, 343	eqtrd 2771	. . . . 5 ⊢ (𝑥 = 1 → if(𝑥 ≤ (1 / 2), if(𝑥 ≤ (1 / 4), (2 · 𝑥), (𝑥 + (1 / 4))), ((𝑥 / 2) + (1 / 2))) = 1)
345		1ex 11217	. . . . 5 ⊢ 1 ∈ V
346	344, 186, 345	fvmpt 6998	. . . 4 ⊢ (1 ∈ (0[,]1) → (𝑃‘1) = 1)
347	335, 346	syl 17	. . 3 ⊢ (𝜑 → (𝑃‘1) = 1)
348	313, 306, 334, 347	reparpht 24758	. 2 ⊢ (𝜑 → ((𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)) ∘ 𝑃)( ≃_ph‘𝐽)(𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)))
349	322, 348	eqbrtrd 5170	1 ⊢ (𝜑 → ((𝐹(_𝑝‘𝐽)𝐺)(_𝑝‘𝐽)𝐻)( ≃_ph‘𝐽)(𝐹(_𝑝‘𝐽)(𝐺(_𝑝‘𝐽)𝐻)))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∨ wo 844 = wceq 1540 ∈ wcel 2105 ≠ wne 2939 ∀wral 3060 Vcvv 3473 ⊆ wss 3948 ifcif 4528 ∪ cuni 4908 class class class wbr 5148 ↦ cmpt 5231 ran crn 5677 ∘ ccom 5680 ⟶wf 6539 ‘cfv 6543 (class class class)co 7412 ℂcc 11114 ℝcr 11115 0cc0 11116 1c1 11117 + caddc 11119 · cmul 11121 ℝ^*cxr 11254 < clt 11255 ≤ cle 11256 − cmin 11451 / cdiv 11878 ℕcn 12219 2c2 12274 4c4 12276 (,)cioo 13331 [,]cicc 13334 ↾_t crest 17373 TopOpenctopn 17374 topGenctg 17390 ℂ_fldccnfld 21148 Topctop 22628 TopOnctopon 22645 Cn ccn 22961 ×_t ctx 23297 IIcii 24628 ≃_phcphtpc 24728 *_𝑝cpco 24760

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2702 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7729 ax-cnex 11172 ax-resscn 11173 ax-1cn 11174 ax-icn 11175 ax-addcl 11176 ax-addrcl 11177 ax-mulcl 11178 ax-mulrcl 11179 ax-mulcom 11180 ax-addass 11181 ax-mulass 11182 ax-distr 11183 ax-i2m1 11184 ax-1ne0 11185 ax-1rid 11186 ax-rnegex 11187 ax-rrecex 11188 ax-cnre 11189 ax-pre-lttri 11190 ax-pre-lttrn 11191 ax-pre-ltadd 11192 ax-pre-mulgt0 11193 ax-pre-sup 11194 ax-addf 11195

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3475 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-tp 4633 df-op 4635 df-uni 4909 df-int 4951 df-iun 4999 df-iin 5000 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-se 5632 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7368 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7674 df-om 7860 df-1st 7979 df-2nd 7980 df-supp 8152 df-frecs 8272 df-wrecs 8303 df-recs 8377 df-rdg 8416 df-1o 8472 df-2o 8473 df-er 8709 df-map 8828 df-ixp 8898 df-en 8946 df-dom 8947 df-sdom 8948 df-fin 8949 df-fsupp 9368 df-fi 9412 df-sup 9443 df-inf 9444 df-oi 9511 df-card 9940 df-pnf 11257 df-mnf 11258 df-xr 11259 df-ltxr 11260 df-le 11261 df-sub 11453 df-neg 11454 df-div 11879 df-nn 12220 df-2 12282 df-3 12283 df-4 12284 df-5 12285 df-6 12286 df-7 12287 df-8 12288 df-9 12289 df-n0 12480 df-z 12566 df-dec 12685 df-uz 12830 df-q 12940 df-rp 12982 df-xneg 13099 df-xadd 13100 df-xmul 13101 df-ioo 13335 df-icc 13338 df-fz 13492 df-fzo 13635 df-seq 13974 df-exp 14035 df-hash 14298 df-cj 15053 df-re 15054 df-im 15055 df-sqrt 15189 df-abs 15190 df-struct 17087 df-sets 17104 df-slot 17122 df-ndx 17134 df-base 17152 df-ress 17181 df-plusg 17217 df-mulr 17218 df-starv 17219 df-sca 17220 df-vsca 17221 df-ip 17222 df-tset 17223 df-ple 17224 df-ds 17226 df-unif 17227 df-hom 17228 df-cco 17229 df-rest 17375 df-topn 17376 df-0g 17394 df-gsum 17395 df-topgen 17396 df-pt 17397 df-prds 17400 df-xrs 17455 df-qtop 17460 df-imas 17461 df-xps 17463 df-mre 17537 df-mrc 17538 df-acs 17540 df-mgm 18568 df-sgrp 18647 df-mnd 18663 df-submnd 18709 df-mulg 18991 df-cntz 19226 df-cmn 19695 df-psmet 21140 df-xmet 21141 df-met 21142 df-bl 21143 df-mopn 21144 df-cnfld 21149 df-top 22629 df-topon 22646 df-topsp 22668 df-bases 22682 df-cld 22756 df-cn 22964 df-cnp 22965 df-tx 23299 df-hmeo 23492 df-xms 24059 df-ms 24060 df-tms 24061 df-ii 24630 df-htpy 24729 df-phtpy 24730 df-phtpc 24751 df-pco 24765

This theorem is referenced by: pcophtb 24789 pi1grplem 24809 pi1xfr 24815 pi1xfrcnvlem 24816

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