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Theorem reparphti 23601

Description: Lemma for reparpht 23602. (Contributed by NM, 15-Jun-2010.) (Revised by Mario Carneiro, 7-Jun-2014.)

**Hypotheses**
Ref	Expression
reparpht.2	⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽))
reparpht.3	⊢ (𝜑 → 𝐺 ∈ (II Cn II))
reparpht.4	⊢ (𝜑 → (𝐺‘0) = 0)
reparpht.5	⊢ (𝜑 → (𝐺‘1) = 1)
reparphti.6	⊢ 𝐻 = (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝐹‘(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))))

**Assertion**
Ref	Expression
reparphti	⊢ (𝜑 → 𝐻 ∈ ((𝐹 ∘ 𝐺)(PHtpy‘𝐽)𝐹))

Distinct variable groups: 𝑥,𝑦,𝐹 𝑥,𝐺,𝑦 𝑥,𝐽,𝑦 𝜑,𝑥,𝑦 Allowed substitution hints: 𝐻(𝑥,𝑦)

Proof of Theorem reparphti Dummy variables 𝑠 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		reparpht.3	. . 3 ⊢ (𝜑 → 𝐺 ∈ (II Cn II))
2		reparpht.2	. . 3 ⊢ (𝜑 → 𝐹 ∈ (II Cn 𝐽))
3		cnco 21874	. . 3 ⊢ ((𝐺 ∈ (II Cn II) ∧ 𝐹 ∈ (II Cn 𝐽)) → (𝐹 ∘ 𝐺) ∈ (II Cn 𝐽))
4	1, 2, 3	syl2anc 586	. 2 ⊢ (𝜑 → (𝐹 ∘ 𝐺) ∈ (II Cn 𝐽))
5		reparphti.6	. . 3 ⊢ 𝐻 = (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝐹‘(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))))
6		iitopon 23487	. . . . 5 ⊢ II ∈ (TopOn‘(0[,]1))
7	6	a1i 11	. . . 4 ⊢ (𝜑 → II ∈ (TopOn‘(0[,]1)))
8		eqid 2821	. . . . . . . . . . 11 ⊢ (TopOpen‘ℂ_fld) = (TopOpen‘ℂ_fld)
9	8	cnfldtop 23392	. . . . . . . . . 10 ⊢ (TopOpen‘ℂ_fld) ∈ Top
10		cnrest2r 21895	. . . . . . . . . 10 ⊢ ((TopOpen‘ℂ_fld) ∈ Top → ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1))) ⊆ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
11	9, 10	mp1i 13	. . . . . . . . 9 ⊢ (𝜑 → ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1))) ⊆ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
12	7, 7	cnmpt2nd 22277	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ 𝑦) ∈ ((II ×_t II) Cn II))
13		iirevcn 23534	. . . . . . . . . . . 12 ⊢ (𝑧 ∈ (0[,]1) ↦ (1 − 𝑧)) ∈ (II Cn II)
14	13	a1i 11	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑧 ∈ (0[,]1) ↦ (1 − 𝑧)) ∈ (II Cn II))
15		oveq2 7164	. . . . . . . . . . 11 ⊢ (𝑧 = 𝑦 → (1 − 𝑧) = (1 − 𝑦))
16	7, 7, 12, 7, 14, 15	cnmpt21 22279	. . . . . . . . . 10 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (1 − 𝑦)) ∈ ((II ×_t II) Cn II))
17	8	dfii3 23491	. . . . . . . . . . 11 ⊢ II = ((TopOpen‘ℂ_fld) ↾_t (0[,]1))
18	17	oveq2i 7167	. . . . . . . . . 10 ⊢ ((II ×_t II) Cn II) = ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1)))
19	16, 18	eleqtrdi 2923	. . . . . . . . 9 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (1 − 𝑦)) ∈ ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1))))
20	11, 19	sseldd 3968	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (1 − 𝑦)) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
21	7, 7	cnmpt1st 22276	. . . . . . . . . . 11 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ 𝑥) ∈ ((II ×_t II) Cn II))
22	7, 7, 21, 1	cnmpt21f 22280	. . . . . . . . . 10 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝐺‘𝑥)) ∈ ((II ×_t II) Cn II))
23	22, 18	eleqtrdi 2923	. . . . . . . . 9 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝐺‘𝑥)) ∈ ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1))))
24	11, 23	sseldd 3968	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝐺‘𝑥)) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
25	8	mulcn 23475	. . . . . . . . 9 ⊢ · ∈ (((TopOpen‘ℂ_fld) ×_t (TopOpen‘ℂ_fld)) Cn (TopOpen‘ℂ_fld))
26	25	a1i 11	. . . . . . . 8 ⊢ (𝜑 → · ∈ (((TopOpen‘ℂ_fld) ×_t (TopOpen‘ℂ_fld)) Cn (TopOpen‘ℂ_fld)))
27	7, 7, 20, 24, 26	cnmpt22f 22283	. . . . . . 7 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ ((1 − 𝑦) · (𝐺‘𝑥))) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
28	12, 18	eleqtrdi 2923	. . . . . . . . 9 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ 𝑦) ∈ ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1))))
29	11, 28	sseldd 3968	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ 𝑦) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
30	21, 18	eleqtrdi 2923	. . . . . . . . 9 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ 𝑥) ∈ ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1))))
31	11, 30	sseldd 3968	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ 𝑥) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
32	7, 7, 29, 31, 26	cnmpt22f 22283	. . . . . . 7 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝑦 · 𝑥)) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
33	8	addcn 23473	. . . . . . . 8 ⊢ + ∈ (((TopOpen‘ℂ_fld) ×_t (TopOpen‘ℂ_fld)) Cn (TopOpen‘ℂ_fld))
34	33	a1i 11	. . . . . . 7 ⊢ (𝜑 → + ∈ (((TopOpen‘ℂ_fld) ×_t (TopOpen‘ℂ_fld)) Cn (TopOpen‘ℂ_fld)))
35	7, 7, 27, 32, 34	cnmpt22f 22283	. . . . . 6 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)))
36	8	cnfldtopon 23391	. . . . . . . 8 ⊢ (TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ)
37	36	a1i 11	. . . . . . 7 ⊢ (𝜑 → (TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ))
38		iiuni 23489	. . . . . . . . . . . . . . 15 ⊢ (0[,]1) = ∪ II
39	38, 38	cnf 21854	. . . . . . . . . . . . . 14 ⊢ (𝐺 ∈ (II Cn II) → 𝐺:(0[,]1)⟶(0[,]1))
40	1, 39	syl 17	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐺:(0[,]1)⟶(0[,]1))
41	40	ffvelrnda 6851	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑥 ∈ (0[,]1)) → (𝐺‘𝑥) ∈ (0[,]1))
42	41	adantrr 715	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,]1) ∧ 𝑦 ∈ (0[,]1))) → (𝐺‘𝑥) ∈ (0[,]1))
43		simprl 769	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,]1) ∧ 𝑦 ∈ (0[,]1))) → 𝑥 ∈ (0[,]1))
44		simprr 771	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,]1) ∧ 𝑦 ∈ (0[,]1))) → 𝑦 ∈ (0[,]1))
45		0re 10643	. . . . . . . . . . . 12 ⊢ 0 ∈ ℝ
46		1re 10641	. . . . . . . . . . . 12 ⊢ 1 ∈ ℝ
47		icccvx 23554	. . . . . . . . . . . 12 ⊢ ((0 ∈ ℝ ∧ 1 ∈ ℝ) → (((𝐺‘𝑥) ∈ (0[,]1) ∧ 𝑥 ∈ (0[,]1) ∧ 𝑦 ∈ (0[,]1)) → (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) ∈ (0[,]1)))
48	45, 46, 47	mp2an 690	. . . . . . . . . . 11 ⊢ (((𝐺‘𝑥) ∈ (0[,]1) ∧ 𝑥 ∈ (0[,]1) ∧ 𝑦 ∈ (0[,]1)) → (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) ∈ (0[,]1))
49	42, 43, 44, 48	syl3anc 1367	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ (0[,]1) ∧ 𝑦 ∈ (0[,]1))) → (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) ∈ (0[,]1))
50	49	ralrimivva 3191	. . . . . . . . 9 ⊢ (𝜑 → ∀𝑥 ∈ (0[,]1)∀𝑦 ∈ (0[,]1)(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) ∈ (0[,]1))
51		eqid 2821	. . . . . . . . . 10 ⊢ (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) = (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)))
52	51	fmpo 7766	. . . . . . . . 9 ⊢ (∀𝑥 ∈ (0[,]1)∀𝑦 ∈ (0[,]1)(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) ∈ (0[,]1) ↔ (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))):((0[,]1) × (0[,]1))⟶(0[,]1))
53	50, 52	sylib 220	. . . . . . . 8 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))):((0[,]1) × (0[,]1))⟶(0[,]1))
54	53	frnd 6521	. . . . . . 7 ⊢ (𝜑 → ran (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ⊆ (0[,]1))
55		unitssre 12886	. . . . . . . . 9 ⊢ (0[,]1) ⊆ ℝ
56		ax-resscn 10594	. . . . . . . . 9 ⊢ ℝ ⊆ ℂ
57	55, 56	sstri 3976	. . . . . . . 8 ⊢ (0[,]1) ⊆ ℂ
58	57	a1i 11	. . . . . . 7 ⊢ (𝜑 → (0[,]1) ⊆ ℂ)
59		cnrest2 21894	. . . . . . 7 ⊢ (((TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ) ∧ ran (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ⊆ (0[,]1) ∧ (0[,]1) ⊆ ℂ) → ((𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)) ↔ (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ∈ ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1)))))
60	37, 54, 58, 59	syl3anc 1367	. . . . . 6 ⊢ (𝜑 → ((𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ∈ ((II ×_t II) Cn (TopOpen‘ℂ_fld)) ↔ (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ∈ ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1)))))
61	35, 60	mpbid 234	. . . . 5 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ∈ ((II ×_t II) Cn ((TopOpen‘ℂ_fld) ↾_t (0[,]1))))
62	61, 18	eleqtrrdi 2924	. . . 4 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) ∈ ((II ×_t II) Cn II))
63	7, 7, 62, 2	cnmpt21f 22280	. . 3 ⊢ (𝜑 → (𝑥 ∈ (0[,]1), 𝑦 ∈ (0[,]1) ↦ (𝐹‘(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)))) ∈ ((II ×_t II) Cn 𝐽))
64	5, 63	eqeltrid 2917	. 2 ⊢ (𝜑 → 𝐻 ∈ ((II ×_t II) Cn 𝐽))
65	40	ffvelrnda 6851	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝐺‘𝑠) ∈ (0[,]1))
66	57, 65	sseldi 3965	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝐺‘𝑠) ∈ ℂ)
67	66	mulid2d 10659	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (1 · (𝐺‘𝑠)) = (𝐺‘𝑠))
68	57	sseli 3963	. . . . . . . 8 ⊢ (𝑠 ∈ (0[,]1) → 𝑠 ∈ ℂ)
69	68	adantl 484	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → 𝑠 ∈ ℂ)
70	69	mul02d 10838	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (0 · 𝑠) = 0)
71	67, 70	oveq12d 7174	. . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 · (𝐺‘𝑠)) + (0 · 𝑠)) = ((𝐺‘𝑠) + 0))
72	66	addid1d 10840	. . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((𝐺‘𝑠) + 0) = (𝐺‘𝑠))
73	71, 72	eqtrd 2856	. . . 4 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 · (𝐺‘𝑠)) + (0 · 𝑠)) = (𝐺‘𝑠))
74	73	fveq2d 6674	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝐹‘((1 · (𝐺‘𝑠)) + (0 · 𝑠))) = (𝐹‘(𝐺‘𝑠)))
75		simpr 487	. . . 4 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → 𝑠 ∈ (0[,]1))
76		0elunit 12856	. . . 4 ⊢ 0 ∈ (0[,]1)
77		simpr 487	. . . . . . . . . 10 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → 𝑦 = 0)
78	77	oveq2d 7172	. . . . . . . . 9 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → (1 − 𝑦) = (1 − 0))
79		1m0e1 11759	. . . . . . . . 9 ⊢ (1 − 0) = 1
80	78, 79	syl6eq 2872	. . . . . . . 8 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → (1 − 𝑦) = 1)
81		simpl 485	. . . . . . . . 9 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → 𝑥 = 𝑠)
82	81	fveq2d 6674	. . . . . . . 8 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → (𝐺‘𝑥) = (𝐺‘𝑠))
83	80, 82	oveq12d 7174	. . . . . . 7 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → ((1 − 𝑦) · (𝐺‘𝑥)) = (1 · (𝐺‘𝑠)))
84	77, 81	oveq12d 7174	. . . . . . 7 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → (𝑦 · 𝑥) = (0 · 𝑠))
85	83, 84	oveq12d 7174	. . . . . 6 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) = ((1 · (𝐺‘𝑠)) + (0 · 𝑠)))
86	85	fveq2d 6674	. . . . 5 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 0) → (𝐹‘(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) = (𝐹‘((1 · (𝐺‘𝑠)) + (0 · 𝑠))))
87		fvex 6683	. . . . 5 ⊢ (𝐹‘((1 · (𝐺‘𝑠)) + (0 · 𝑠))) ∈ V
88	86, 5, 87	ovmpoa 7305	. . . 4 ⊢ ((𝑠 ∈ (0[,]1) ∧ 0 ∈ (0[,]1)) → (𝑠𝐻0) = (𝐹‘((1 · (𝐺‘𝑠)) + (0 · 𝑠))))
89	75, 76, 88	sylancl 588	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝑠𝐻0) = (𝐹‘((1 · (𝐺‘𝑠)) + (0 · 𝑠))))
90		fvco3 6760	. . . 4 ⊢ ((𝐺:(0[,]1)⟶(0[,]1) ∧ 𝑠 ∈ (0[,]1)) → ((𝐹 ∘ 𝐺)‘𝑠) = (𝐹‘(𝐺‘𝑠)))
91	40, 90	sylan 582	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((𝐹 ∘ 𝐺)‘𝑠) = (𝐹‘(𝐺‘𝑠)))
92	74, 89, 91	3eqtr4d 2866	. 2 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝑠𝐻0) = ((𝐹 ∘ 𝐺)‘𝑠))
93		1elunit 12857	. . . 4 ⊢ 1 ∈ (0[,]1)
94		simpr 487	. . . . . . . . . 10 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → 𝑦 = 1)
95	94	oveq2d 7172	. . . . . . . . 9 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → (1 − 𝑦) = (1 − 1))
96		1m1e0 11710	. . . . . . . . 9 ⊢ (1 − 1) = 0
97	95, 96	syl6eq 2872	. . . . . . . 8 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → (1 − 𝑦) = 0)
98		simpl 485	. . . . . . . . 9 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → 𝑥 = 𝑠)
99	98	fveq2d 6674	. . . . . . . 8 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → (𝐺‘𝑥) = (𝐺‘𝑠))
100	97, 99	oveq12d 7174	. . . . . . 7 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → ((1 − 𝑦) · (𝐺‘𝑥)) = (0 · (𝐺‘𝑠)))
101	94, 98	oveq12d 7174	. . . . . . 7 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → (𝑦 · 𝑥) = (1 · 𝑠))
102	100, 101	oveq12d 7174	. . . . . 6 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) = ((0 · (𝐺‘𝑠)) + (1 · 𝑠)))
103	102	fveq2d 6674	. . . . 5 ⊢ ((𝑥 = 𝑠 ∧ 𝑦 = 1) → (𝐹‘(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) = (𝐹‘((0 · (𝐺‘𝑠)) + (1 · 𝑠))))
104		fvex 6683	. . . . 5 ⊢ (𝐹‘((0 · (𝐺‘𝑠)) + (1 · 𝑠))) ∈ V
105	103, 5, 104	ovmpoa 7305	. . . 4 ⊢ ((𝑠 ∈ (0[,]1) ∧ 1 ∈ (0[,]1)) → (𝑠𝐻1) = (𝐹‘((0 · (𝐺‘𝑠)) + (1 · 𝑠))))
106	75, 93, 105	sylancl 588	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝑠𝐻1) = (𝐹‘((0 · (𝐺‘𝑠)) + (1 · 𝑠))))
107	66	mul02d 10838	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (0 · (𝐺‘𝑠)) = 0)
108	69	mulid2d 10659	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (1 · 𝑠) = 𝑠)
109	107, 108	oveq12d 7174	. . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((0 · (𝐺‘𝑠)) + (1 · 𝑠)) = (0 + 𝑠))
110	69	addid2d 10841	. . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (0 + 𝑠) = 𝑠)
111	109, 110	eqtrd 2856	. . . 4 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((0 · (𝐺‘𝑠)) + (1 · 𝑠)) = 𝑠)
112	111	fveq2d 6674	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝐹‘((0 · (𝐺‘𝑠)) + (1 · 𝑠))) = (𝐹‘𝑠))
113	106, 112	eqtrd 2856	. 2 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝑠𝐻1) = (𝐹‘𝑠))
114		reparpht.4	. . . . . . . . 9 ⊢ (𝜑 → (𝐺‘0) = 0)
115	114	adantr 483	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝐺‘0) = 0)
116	115	oveq2d 7172	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 − 𝑠) · (𝐺‘0)) = ((1 − 𝑠) · 0))
117		ax-1cn 10595	. . . . . . . . 9 ⊢ 1 ∈ ℂ
118		subcl 10885	. . . . . . . . 9 ⊢ ((1 ∈ ℂ ∧ 𝑠 ∈ ℂ) → (1 − 𝑠) ∈ ℂ)
119	117, 69, 118	sylancr 589	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (1 − 𝑠) ∈ ℂ)
120	119	mul01d 10839	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 − 𝑠) · 0) = 0)
121	116, 120	eqtrd 2856	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 − 𝑠) · (𝐺‘0)) = 0)
122	69	mul01d 10839	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝑠 · 0) = 0)
123	121, 122	oveq12d 7174	. . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (((1 − 𝑠) · (𝐺‘0)) + (𝑠 · 0)) = (0 + 0))
124		00id 10815	. . . . 5 ⊢ (0 + 0) = 0
125	123, 124	syl6eq 2872	. . . 4 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (((1 − 𝑠) · (𝐺‘0)) + (𝑠 · 0)) = 0)
126	125	fveq2d 6674	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝐹‘(((1 − 𝑠) · (𝐺‘0)) + (𝑠 · 0))) = (𝐹‘0))
127		simpr 487	. . . . . . . . 9 ⊢ ((𝑥 = 0 ∧ 𝑦 = 𝑠) → 𝑦 = 𝑠)
128	127	oveq2d 7172	. . . . . . . 8 ⊢ ((𝑥 = 0 ∧ 𝑦 = 𝑠) → (1 − 𝑦) = (1 − 𝑠))
129		simpl 485	. . . . . . . . 9 ⊢ ((𝑥 = 0 ∧ 𝑦 = 𝑠) → 𝑥 = 0)
130	129	fveq2d 6674	. . . . . . . 8 ⊢ ((𝑥 = 0 ∧ 𝑦 = 𝑠) → (𝐺‘𝑥) = (𝐺‘0))
131	128, 130	oveq12d 7174	. . . . . . 7 ⊢ ((𝑥 = 0 ∧ 𝑦 = 𝑠) → ((1 − 𝑦) · (𝐺‘𝑥)) = ((1 − 𝑠) · (𝐺‘0)))
132	127, 129	oveq12d 7174	. . . . . . 7 ⊢ ((𝑥 = 0 ∧ 𝑦 = 𝑠) → (𝑦 · 𝑥) = (𝑠 · 0))
133	131, 132	oveq12d 7174	. . . . . 6 ⊢ ((𝑥 = 0 ∧ 𝑦 = 𝑠) → (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) = (((1 − 𝑠) · (𝐺‘0)) + (𝑠 · 0)))
134	133	fveq2d 6674	. . . . 5 ⊢ ((𝑥 = 0 ∧ 𝑦 = 𝑠) → (𝐹‘(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) = (𝐹‘(((1 − 𝑠) · (𝐺‘0)) + (𝑠 · 0))))
135		fvex 6683	. . . . 5 ⊢ (𝐹‘(((1 − 𝑠) · (𝐺‘0)) + (𝑠 · 0))) ∈ V
136	134, 5, 135	ovmpoa 7305	. . . 4 ⊢ ((0 ∈ (0[,]1) ∧ 𝑠 ∈ (0[,]1)) → (0𝐻𝑠) = (𝐹‘(((1 − 𝑠) · (𝐺‘0)) + (𝑠 · 0))))
137	76, 75, 136	sylancr 589	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (0𝐻𝑠) = (𝐹‘(((1 − 𝑠) · (𝐺‘0)) + (𝑠 · 0))))
138		fvco3 6760	. . . . . 6 ⊢ ((𝐺:(0[,]1)⟶(0[,]1) ∧ 0 ∈ (0[,]1)) → ((𝐹 ∘ 𝐺)‘0) = (𝐹‘(𝐺‘0)))
139	40, 76, 138	sylancl 588	. . . . 5 ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘0) = (𝐹‘(𝐺‘0)))
140	114	fveq2d 6674	. . . . 5 ⊢ (𝜑 → (𝐹‘(𝐺‘0)) = (𝐹‘0))
141	139, 140	eqtrd 2856	. . . 4 ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘0) = (𝐹‘0))
142	141	adantr 483	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((𝐹 ∘ 𝐺)‘0) = (𝐹‘0))
143	126, 137, 142	3eqtr4d 2866	. 2 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (0𝐻𝑠) = ((𝐹 ∘ 𝐺)‘0))
144		reparpht.5	. . . . . . . . 9 ⊢ (𝜑 → (𝐺‘1) = 1)
145	144	adantr 483	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝐺‘1) = 1)
146	145	oveq2d 7172	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 − 𝑠) · (𝐺‘1)) = ((1 − 𝑠) · 1))
147	119	mulid1d 10658	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 − 𝑠) · 1) = (1 − 𝑠))
148	146, 147	eqtrd 2856	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 − 𝑠) · (𝐺‘1)) = (1 − 𝑠))
149	69	mulid1d 10658	. . . . . 6 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝑠 · 1) = 𝑠)
150	148, 149	oveq12d 7174	. . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (((1 − 𝑠) · (𝐺‘1)) + (𝑠 · 1)) = ((1 − 𝑠) + 𝑠))
151		npcan 10895	. . . . . 6 ⊢ ((1 ∈ ℂ ∧ 𝑠 ∈ ℂ) → ((1 − 𝑠) + 𝑠) = 1)
152	117, 69, 151	sylancr 589	. . . . 5 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((1 − 𝑠) + 𝑠) = 1)
153	150, 152	eqtrd 2856	. . . 4 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (((1 − 𝑠) · (𝐺‘1)) + (𝑠 · 1)) = 1)
154	153	fveq2d 6674	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (𝐹‘(((1 − 𝑠) · (𝐺‘1)) + (𝑠 · 1))) = (𝐹‘1))
155		simpr 487	. . . . . . . . 9 ⊢ ((𝑥 = 1 ∧ 𝑦 = 𝑠) → 𝑦 = 𝑠)
156	155	oveq2d 7172	. . . . . . . 8 ⊢ ((𝑥 = 1 ∧ 𝑦 = 𝑠) → (1 − 𝑦) = (1 − 𝑠))
157		simpl 485	. . . . . . . . 9 ⊢ ((𝑥 = 1 ∧ 𝑦 = 𝑠) → 𝑥 = 1)
158	157	fveq2d 6674	. . . . . . . 8 ⊢ ((𝑥 = 1 ∧ 𝑦 = 𝑠) → (𝐺‘𝑥) = (𝐺‘1))
159	156, 158	oveq12d 7174	. . . . . . 7 ⊢ ((𝑥 = 1 ∧ 𝑦 = 𝑠) → ((1 − 𝑦) · (𝐺‘𝑥)) = ((1 − 𝑠) · (𝐺‘1)))
160	155, 157	oveq12d 7174	. . . . . . 7 ⊢ ((𝑥 = 1 ∧ 𝑦 = 𝑠) → (𝑦 · 𝑥) = (𝑠 · 1))
161	159, 160	oveq12d 7174	. . . . . 6 ⊢ ((𝑥 = 1 ∧ 𝑦 = 𝑠) → (((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥)) = (((1 − 𝑠) · (𝐺‘1)) + (𝑠 · 1)))
162	161	fveq2d 6674	. . . . 5 ⊢ ((𝑥 = 1 ∧ 𝑦 = 𝑠) → (𝐹‘(((1 − 𝑦) · (𝐺‘𝑥)) + (𝑦 · 𝑥))) = (𝐹‘(((1 − 𝑠) · (𝐺‘1)) + (𝑠 · 1))))
163		fvex 6683	. . . . 5 ⊢ (𝐹‘(((1 − 𝑠) · (𝐺‘1)) + (𝑠 · 1))) ∈ V
164	162, 5, 163	ovmpoa 7305	. . . 4 ⊢ ((1 ∈ (0[,]1) ∧ 𝑠 ∈ (0[,]1)) → (1𝐻𝑠) = (𝐹‘(((1 − 𝑠) · (𝐺‘1)) + (𝑠 · 1))))
165	93, 75, 164	sylancr 589	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (1𝐻𝑠) = (𝐹‘(((1 − 𝑠) · (𝐺‘1)) + (𝑠 · 1))))
166		fvco3 6760	. . . . . 6 ⊢ ((𝐺:(0[,]1)⟶(0[,]1) ∧ 1 ∈ (0[,]1)) → ((𝐹 ∘ 𝐺)‘1) = (𝐹‘(𝐺‘1)))
167	40, 93, 166	sylancl 588	. . . . 5 ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘1) = (𝐹‘(𝐺‘1)))
168	144	fveq2d 6674	. . . . 5 ⊢ (𝜑 → (𝐹‘(𝐺‘1)) = (𝐹‘1))
169	167, 168	eqtrd 2856	. . . 4 ⊢ (𝜑 → ((𝐹 ∘ 𝐺)‘1) = (𝐹‘1))
170	169	adantr 483	. . 3 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → ((𝐹 ∘ 𝐺)‘1) = (𝐹‘1))
171	154, 165, 170	3eqtr4d 2866	. 2 ⊢ ((𝜑 ∧ 𝑠 ∈ (0[,]1)) → (1𝐻𝑠) = ((𝐹 ∘ 𝐺)‘1))
172	4, 2, 64, 92, 113, 143, 171	isphtpy2d 23591	1 ⊢ (𝜑 → 𝐻 ∈ ((𝐹 ∘ 𝐺)(PHtpy‘𝐽)𝐹))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 ∧ w3a 1083 = wceq 1537 ∈ wcel 2114 ∀wral 3138 ⊆ wss 3936 ↦ cmpt 5146 × cxp 5553 ran crn 5556 ∘ ccom 5559 ⟶wf 6351 ‘cfv 6355 (class class class)co 7156 ∈ cmpo 7158 ℂcc 10535 ℝcr 10536 0cc0 10537 1c1 10538 + caddc 10540 · cmul 10542 − cmin 10870 [,]cicc 12742 ↾_t crest 16694 TopOpenctopn 16695 ℂ_fldccnfld 20545 Topctop 21501 TopOnctopon 21518 Cn ccn 21832 ×_t ctx 22168 IIcii 23483 PHtpycphtpy 23572

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 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 ax-pre-sup 10615 ax-addf 10616 ax-mulf 10617

This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-iin 4922 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-se 5515 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-isom 6364 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-of 7409 df-om 7581 df-1st 7689 df-2nd 7690 df-supp 7831 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-1o 8102 df-2o 8103 df-oadd 8106 df-er 8289 df-map 8408 df-ixp 8462 df-en 8510 df-dom 8511 df-sdom 8512 df-fin 8513 df-fsupp 8834 df-fi 8875 df-sup 8906 df-inf 8907 df-oi 8974 df-card 9368 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-div 11298 df-nn 11639 df-2 11701 df-3 11702 df-4 11703 df-5 11704 df-6 11705 df-7 11706 df-8 11707 df-9 11708 df-n0 11899 df-z 11983 df-dec 12100 df-uz 12245 df-q 12350 df-rp 12391 df-xneg 12508 df-xadd 12509 df-xmul 12510 df-ioo 12743 df-icc 12746 df-fz 12894 df-fzo 13035 df-seq 13371 df-exp 13431 df-hash 13692 df-cj 14458 df-re 14459 df-im 14460 df-sqrt 14594 df-abs 14595 df-struct 16485 df-ndx 16486 df-slot 16487 df-base 16489 df-sets 16490 df-ress 16491 df-plusg 16578 df-mulr 16579 df-starv 16580 df-sca 16581 df-vsca 16582 df-ip 16583 df-tset 16584 df-ple 16585 df-ds 16587 df-unif 16588 df-hom 16589 df-cco 16590 df-rest 16696 df-topn 16697 df-0g 16715 df-gsum 16716 df-topgen 16717 df-pt 16718 df-prds 16721 df-xrs 16775 df-qtop 16780 df-imas 16781 df-xps 16783 df-mre 16857 df-mrc 16858 df-acs 16860 df-mgm 17852 df-sgrp 17901 df-mnd 17912 df-submnd 17957 df-mulg 18225 df-cntz 18447 df-cmn 18908 df-psmet 20537 df-xmet 20538 df-met 20539 df-bl 20540 df-mopn 20541 df-cnfld 20546 df-top 21502 df-topon 21519 df-topsp 21541 df-bases 21554 df-cn 21835 df-cnp 21836 df-tx 22170 df-hmeo 22363 df-xms 22930 df-ms 22931 df-tms 22932 df-ii 23485 df-htpy 23574 df-phtpy 23575

This theorem is referenced by: reparpht 23602

W3C validator