Theorem pi1coghm 24224

Description: The mapping 𝐺 between fundamental groups is a group homomorphism. (Contributed by Mario Carneiro, 10-Aug-2015.) (Revised by Mario Carneiro, 23-Dec-2016.)

Hypotheses

Ref	Expression
pi1co.p	⊢ 𝑃 = (𝐽 π1 𝐴)
pi1co.q	⊢ 𝑄 = (𝐾 π1 𝐵)
pi1co.v	⊢ 𝑉 = (Base‘𝑃)
pi1co.g	⊢ 𝐺 = ran (𝑔 ∈ ∪ 𝑉 ↦ ⟨[𝑔]( ≃ph‘𝐽), [(𝐹 ∘ 𝑔)]( ≃ph‘𝐾)⟩)
pi1co.j	⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋))
pi1co.f	⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾))
pi1co.a	⊢ (𝜑 → 𝐴 ∈ 𝑋)
pi1co.b	⊢ (𝜑 → (𝐹‘𝐴) = 𝐵)

Assertion

Ref	Expression
pi1coghm	⊢ (𝜑 → 𝐺 ∈ (𝑃 GrpHom 𝑄))

Distinct variable groups:   𝐴,𝑔   𝑔,𝐹   𝑔,𝐽   𝜑,𝑔   𝑔,𝐾   𝑃,𝑔   𝑄,𝑔   𝑔,𝑉

Allowed substitution hints:   𝐵(𝑔)   𝐺(𝑔)   𝑋(𝑔)

Proof of Theorem pi1coghm

Dummy variables ℎ 𝑓 𝑧 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		pi1co.j	. . 3 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘𝑋))
2		pi1co.a	. . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑋)
3		pi1co.p	. . . 4 ⊢ 𝑃 = (𝐽 π1 𝐴)
4	3	pi1grp 24213	. . 3 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐴 ∈ 𝑋) → 𝑃 ∈ Grp)
5	1, 2, 4	syl2anc 584	. 2 ⊢ (𝜑 → 𝑃 ∈ Grp)
6		pi1co.f	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ (𝐽 Cn 𝐾))
7		cntop2 22392	. . . . 5 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top)
8	6, 7	syl 17	. . . 4 ⊢ (𝜑 → 𝐾 ∈ Top)
9		toptopon2 22067	. . . 4 ⊢ (𝐾 ∈ Top ↔ 𝐾 ∈ (TopOn‘∪ 𝐾))
10	8, 9	sylib 217	. . 3 ⊢ (𝜑 → 𝐾 ∈ (TopOn‘∪ 𝐾))
11		pi1co.b	. . . 4 ⊢ (𝜑 → (𝐹‘𝐴) = 𝐵)
12		cnf2 22400	. . . . . 6 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐾 ∈ (TopOn‘∪ 𝐾) ∧ 𝐹 ∈ (𝐽 Cn 𝐾)) → 𝐹:𝑋⟶∪ 𝐾)
13	1, 10, 6, 12	syl3anc 1370	. . . . 5 ⊢ (𝜑 → 𝐹:𝑋⟶∪ 𝐾)
14	13, 2	ffvelrnd 6962	. . . 4 ⊢ (𝜑 → (𝐹‘𝐴) ∈ ∪ 𝐾)
15	11, 14	eqeltrrd 2840	. . 3 ⊢ (𝜑 → 𝐵 ∈ ∪ 𝐾)
16		pi1co.q	. . . 4 ⊢ 𝑄 = (𝐾 π1 𝐵)
17	16	pi1grp 24213	. . 3 ⊢ ((𝐾 ∈ (TopOn‘∪ 𝐾) ∧ 𝐵 ∈ ∪ 𝐾) → 𝑄 ∈ Grp)
18	10, 15, 17	syl2anc 584	. 2 ⊢ (𝜑 → 𝑄 ∈ Grp)
19		pi1co.v	. . . 4 ⊢ 𝑉 = (Base‘𝑃)
20		pi1co.g	. . . 4 ⊢ 𝐺 = ran (𝑔 ∈ ∪ 𝑉 ↦ ⟨[𝑔]( ≃ph‘𝐽), [(𝐹 ∘ 𝑔)]( ≃ph‘𝐾)⟩)
21	3, 16, 19, 20, 1, 6, 2, 11	pi1cof 24222	. . 3 ⊢ (𝜑 → 𝐺:𝑉⟶(Base‘𝑄))
22	19	a1i 11	. . . . . . . 8 ⊢ (𝜑 → 𝑉 = (Base‘𝑃))
23	3, 1, 2, 22	pi1bas2 24204	. . . . . . 7 ⊢ (𝜑 → 𝑉 = (∪ 𝑉 / ( ≃ph‘𝐽)))
24	23	eleq2d 2824	. . . . . 6 ⊢ (𝜑 → (𝑦 ∈ 𝑉 ↔ 𝑦 ∈ (∪ 𝑉 / ( ≃ph‘𝐽))))
25	24	biimpa 477	. . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑉) → 𝑦 ∈ (∪ 𝑉 / ( ≃ph‘𝐽)))
26		eqid 2738	. . . . . 6 ⊢ (∪ 𝑉 / ( ≃ph‘𝐽)) = (∪ 𝑉 / ( ≃ph‘𝐽))
27		fvoveq1 7298	. . . . . . . 8 ⊢ ([𝑓]( ≃ph‘𝐽) = 𝑦 → (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = (𝐺‘(𝑦(+g‘𝑃)𝑧)))
28		fveq2 6774	. . . . . . . . 9 ⊢ ([𝑓]( ≃ph‘𝐽) = 𝑦 → (𝐺‘[𝑓]( ≃ph‘𝐽)) = (𝐺‘𝑦))
29	28	oveq1d 7290	. . . . . . . 8 ⊢ ([𝑓]( ≃ph‘𝐽) = 𝑦 → ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))
30	27, 29	eqeq12d 2754	. . . . . . 7 ⊢ ([𝑓]( ≃ph‘𝐽) = 𝑦 → ((𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)) ↔ (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧))))
31	30	ralbidv 3112	. . . . . 6 ⊢ ([𝑓]( ≃ph‘𝐽) = 𝑦 → (∀𝑧 ∈ 𝑉 (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)) ↔ ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧))))
32		oveq2 7283	. . . . . . . . . . 11 ⊢ ([ℎ]( ≃ph‘𝐽) = 𝑧 → ([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽)) = ([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧))
33	32	fveq2d 6778	. . . . . . . . . 10 ⊢ ([ℎ]( ≃ph‘𝐽) = 𝑧 → (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽))) = (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)))
34		fveq2 6774	. . . . . . . . . . 11 ⊢ ([ℎ]( ≃ph‘𝐽) = 𝑧 → (𝐺‘[ℎ]( ≃ph‘𝐽)) = (𝐺‘𝑧))
35	34	oveq2d 7291	. . . . . . . . . 10 ⊢ ([ℎ]( ≃ph‘𝐽) = 𝑧 → ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘[ℎ]( ≃ph‘𝐽))) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)))
36	33, 35	eqeq12d 2754	. . . . . . . . 9 ⊢ ([ℎ]( ≃ph‘𝐽) = 𝑧 → ((𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽))) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘[ℎ]( ≃ph‘𝐽))) ↔ (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧))))
37	3, 1, 2, 22	pi1eluni 24205	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑓 ∈ ∪ 𝑉 ↔ (𝑓 ∈ (II Cn 𝐽) ∧ (𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐴)))
38	37	biimpa 477	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝑓 ∈ (II Cn 𝐽) ∧ (𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐴))
39	38	simp1d 1141	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝑓 ∈ (II Cn 𝐽))
40	39	adantr 481	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝑓 ∈ (II Cn 𝐽))
41	1	adantr 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐽 ∈ (TopOn‘𝑋))
42	2	adantr 481	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐴 ∈ 𝑋)
43	19	a1i 11	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝑉 = (Base‘𝑃))
44	3, 41, 42, 43	pi1eluni 24205	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (ℎ ∈ ∪ 𝑉 ↔ (ℎ ∈ (II Cn 𝐽) ∧ (ℎ‘0) = 𝐴 ∧ (ℎ‘1) = 𝐴)))
45	44	biimpa 477	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (ℎ ∈ (II Cn 𝐽) ∧ (ℎ‘0) = 𝐴 ∧ (ℎ‘1) = 𝐴))
46	45	simp1d 1141	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ℎ ∈ (II Cn 𝐽))
47	38	simp3d 1143	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝑓‘1) = 𝐴)
48	47	adantr 481	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓‘1) = 𝐴)
49	45	simp2d 1142	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (ℎ‘0) = 𝐴)
50	48, 49	eqtr4d 2781	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓‘1) = (ℎ‘0))
51	6	ad2antrr 723	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐹 ∈ (𝐽 Cn 𝐾))
52	40, 46, 50, 51	copco 24181	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹 ∘ (𝑓(*𝑝‘𝐽)ℎ)) = ((𝐹 ∘ 𝑓)(*𝑝‘𝐾)(𝐹 ∘ ℎ)))
53	52	eceq1d 8537	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → [(𝐹 ∘ (𝑓(*𝑝‘𝐽)ℎ))]( ≃ph‘𝐾) = [((𝐹 ∘ 𝑓)(*𝑝‘𝐾)(𝐹 ∘ ℎ))]( ≃ph‘𝐾))
54	40, 46, 50	pcocn 24180	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓(*𝑝‘𝐽)ℎ) ∈ (II Cn 𝐽))
55	40, 46	pco0 24177	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ)‘0) = (𝑓‘0))
56	38	simp2d 1142	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝑓‘0) = 𝐴)
57	56	adantr 481	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓‘0) = 𝐴)
58	55, 57	eqtrd 2778	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ)‘0) = 𝐴)
59	40, 46	pco1 24178	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ)‘1) = (ℎ‘1))
60	45	simp3d 1143	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (ℎ‘1) = 𝐴)
61	59, 60	eqtrd 2778	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ)‘1) = 𝐴)
62	1	ad2antrr 723	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐽 ∈ (TopOn‘𝑋))
63	2	ad2antrr 723	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐴 ∈ 𝑋)
64	19	a1i 11	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝑉 = (Base‘𝑃))
65	3, 62, 63, 64	pi1eluni 24205	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ) ∈ ∪ 𝑉 ↔ ((𝑓(*𝑝‘𝐽)ℎ) ∈ (II Cn 𝐽) ∧ ((𝑓(*𝑝‘𝐽)ℎ)‘0) = 𝐴 ∧ ((𝑓(*𝑝‘𝐽)ℎ)‘1) = 𝐴)))
66	54, 58, 61, 65	mpbir3and 1341	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓(*𝑝‘𝐽)ℎ) ∈ ∪ 𝑉)
67	3, 16, 19, 20, 1, 6, 2, 11	pi1coval 24223	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑓(*𝑝‘𝐽)ℎ) ∈ ∪ 𝑉) → (𝐺‘[(𝑓(*𝑝‘𝐽)ℎ)]( ≃ph‘𝐽)) = [(𝐹 ∘ (𝑓(*𝑝‘𝐽)ℎ))]( ≃ph‘𝐾))
68	67	adantlr 712	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ (𝑓(*𝑝‘𝐽)ℎ) ∈ ∪ 𝑉) → (𝐺‘[(𝑓(*𝑝‘𝐽)ℎ)]( ≃ph‘𝐽)) = [(𝐹 ∘ (𝑓(*𝑝‘𝐽)ℎ))]( ≃ph‘𝐾))
69	66, 68	syldan 591	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘[(𝑓(*𝑝‘𝐽)ℎ)]( ≃ph‘𝐽)) = [(𝐹 ∘ (𝑓(*𝑝‘𝐽)ℎ))]( ≃ph‘𝐾))
70		eqid 2738	. . . . . . . . . . . 12 ⊢ (Base‘𝑄) = (Base‘𝑄)
71	10	ad2antrr 723	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐾 ∈ (TopOn‘∪ 𝐾))
72	15	ad2antrr 723	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐵 ∈ ∪ 𝐾)
73		eqid 2738	. . . . . . . . . . . 12 ⊢ (+g‘𝑄) = (+g‘𝑄)
74	6	adantr 481	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐹 ∈ (𝐽 Cn 𝐾))
75		cnco 22417	. . . . . . . . . . . . . . 15 ⊢ ((𝑓 ∈ (II Cn 𝐽) ∧ 𝐹 ∈ (𝐽 Cn 𝐾)) → (𝐹 ∘ 𝑓) ∈ (II Cn 𝐾))
76	39, 74, 75	syl2anc 584	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹 ∘ 𝑓) ∈ (II Cn 𝐾))
77		iitopon 24042	. . . . . . . . . . . . . . . . 17 ⊢ II ∈ (TopOn‘(0[,]1))
78		cnf2 22400	. . . . . . . . . . . . . . . . 17 ⊢ ((II ∈ (TopOn‘(0[,]1)) ∧ 𝐽 ∈ (TopOn‘𝑋) ∧ 𝑓 ∈ (II Cn 𝐽)) → 𝑓:(0[,]1)⟶𝑋)
79	77, 41, 39, 78	mp3an2i 1465	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝑓:(0[,]1)⟶𝑋)
80		0elunit 13201	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ (0[,]1)
81		fvco3 6867	. . . . . . . . . . . . . . . 16 ⊢ ((𝑓:(0[,]1)⟶𝑋 ∧ 0 ∈ (0[,]1)) → ((𝐹 ∘ 𝑓)‘0) = (𝐹‘(𝑓‘0)))
82	79, 80, 81	sylancl 586	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ((𝐹 ∘ 𝑓)‘0) = (𝐹‘(𝑓‘0)))
83	56	fveq2d 6778	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹‘(𝑓‘0)) = (𝐹‘𝐴))
84	11	adantr 481	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹‘𝐴) = 𝐵)
85	82, 83, 84	3eqtrd 2782	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ((𝐹 ∘ 𝑓)‘0) = 𝐵)
86		1elunit 13202	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ (0[,]1)
87		fvco3 6867	. . . . . . . . . . . . . . . 16 ⊢ ((𝑓:(0[,]1)⟶𝑋 ∧ 1 ∈ (0[,]1)) → ((𝐹 ∘ 𝑓)‘1) = (𝐹‘(𝑓‘1)))
88	79, 86, 87	sylancl 586	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ((𝐹 ∘ 𝑓)‘1) = (𝐹‘(𝑓‘1)))
89	47	fveq2d 6778	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹‘(𝑓‘1)) = (𝐹‘𝐴))
90	88, 89, 84	3eqtrd 2782	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ((𝐹 ∘ 𝑓)‘1) = 𝐵)
91	10	adantr 481	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐾 ∈ (TopOn‘∪ 𝐾))
92	15	adantr 481	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐵 ∈ ∪ 𝐾)
93		eqidd 2739	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (Base‘𝑄) = (Base‘𝑄))
94	16, 91, 92, 93	pi1eluni 24205	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ((𝐹 ∘ 𝑓) ∈ ∪ (Base‘𝑄) ↔ ((𝐹 ∘ 𝑓) ∈ (II Cn 𝐾) ∧ ((𝐹 ∘ 𝑓)‘0) = 𝐵 ∧ ((𝐹 ∘ 𝑓)‘1) = 𝐵)))
95	76, 85, 90, 94	mpbir3and 1341	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹 ∘ 𝑓) ∈ ∪ (Base‘𝑄))
96	95	adantr 481	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹 ∘ 𝑓) ∈ ∪ (Base‘𝑄))
97		cnco 22417	. . . . . . . . . . . . . 14 ⊢ ((ℎ ∈ (II Cn 𝐽) ∧ 𝐹 ∈ (𝐽 Cn 𝐾)) → (𝐹 ∘ ℎ) ∈ (II Cn 𝐾))
98	46, 51, 97	syl2anc 584	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹 ∘ ℎ) ∈ (II Cn 𝐾))
99		cnf2 22400	. . . . . . . . . . . . . . . 16 ⊢ ((II ∈ (TopOn‘(0[,]1)) ∧ 𝐽 ∈ (TopOn‘𝑋) ∧ ℎ ∈ (II Cn 𝐽)) → ℎ:(0[,]1)⟶𝑋)
100	77, 62, 46, 99	mp3an2i 1465	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ℎ:(0[,]1)⟶𝑋)
101		fvco3 6867	. . . . . . . . . . . . . . 15 ⊢ ((ℎ:(0[,]1)⟶𝑋 ∧ 0 ∈ (0[,]1)) → ((𝐹 ∘ ℎ)‘0) = (𝐹‘(ℎ‘0)))
102	100, 80, 101	sylancl 586	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝐹 ∘ ℎ)‘0) = (𝐹‘(ℎ‘0)))
103	49	fveq2d 6778	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹‘(ℎ‘0)) = (𝐹‘𝐴))
104	11	ad2antrr 723	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹‘𝐴) = 𝐵)
105	102, 103, 104	3eqtrd 2782	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝐹 ∘ ℎ)‘0) = 𝐵)
106		fvco3 6867	. . . . . . . . . . . . . . 15 ⊢ ((ℎ:(0[,]1)⟶𝑋 ∧ 1 ∈ (0[,]1)) → ((𝐹 ∘ ℎ)‘1) = (𝐹‘(ℎ‘1)))
107	100, 86, 106	sylancl 586	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝐹 ∘ ℎ)‘1) = (𝐹‘(ℎ‘1)))
108	60	fveq2d 6778	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹‘(ℎ‘1)) = (𝐹‘𝐴))
109	107, 108, 104	3eqtrd 2782	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝐹 ∘ ℎ)‘1) = 𝐵)
110		eqidd 2739	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (Base‘𝑄) = (Base‘𝑄))
111	16, 10, 15, 110	pi1eluni 24205	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ((𝐹 ∘ ℎ) ∈ ∪ (Base‘𝑄) ↔ ((𝐹 ∘ ℎ) ∈ (II Cn 𝐾) ∧ ((𝐹 ∘ ℎ)‘0) = 𝐵 ∧ ((𝐹 ∘ ℎ)‘1) = 𝐵)))
112	111	ad2antrr 723	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝐹 ∘ ℎ) ∈ ∪ (Base‘𝑄) ↔ ((𝐹 ∘ ℎ) ∈ (II Cn 𝐾) ∧ ((𝐹 ∘ ℎ)‘0) = 𝐵 ∧ ((𝐹 ∘ ℎ)‘1) = 𝐵)))
113	98, 105, 109, 112	mpbir3and 1341	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹 ∘ ℎ) ∈ ∪ (Base‘𝑄))
114	16, 70, 71, 72, 73, 96, 113	pi1addval 24211	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ([(𝐹 ∘ 𝑓)]( ≃ph‘𝐾)(+g‘𝑄)[(𝐹 ∘ ℎ)]( ≃ph‘𝐾)) = [((𝐹 ∘ 𝑓)(*𝑝‘𝐾)(𝐹 ∘ ℎ))]( ≃ph‘𝐾))
115	53, 69, 114	3eqtr4d 2788	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘[(𝑓(*𝑝‘𝐽)ℎ)]( ≃ph‘𝐽)) = ([(𝐹 ∘ 𝑓)]( ≃ph‘𝐾)(+g‘𝑄)[(𝐹 ∘ ℎ)]( ≃ph‘𝐾)))
116		eqid 2738	. . . . . . . . . . . 12 ⊢ (+g‘𝑃) = (+g‘𝑃)
117		simplr 766	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝑓 ∈ ∪ 𝑉)
118		simpr 485	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ℎ ∈ ∪ 𝑉)
119	3, 19, 62, 63, 116, 117, 118	pi1addval 24211	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽)) = [(𝑓(*𝑝‘𝐽)ℎ)]( ≃ph‘𝐽))
120	119	fveq2d 6778	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽))) = (𝐺‘[(𝑓(*𝑝‘𝐽)ℎ)]( ≃ph‘𝐽)))
121	3, 16, 19, 20, 1, 6, 2, 11	pi1coval 24223	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐺‘[𝑓]( ≃ph‘𝐽)) = [(𝐹 ∘ 𝑓)]( ≃ph‘𝐾))
122	121	adantr 481	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘[𝑓]( ≃ph‘𝐽)) = [(𝐹 ∘ 𝑓)]( ≃ph‘𝐾))
123	3, 16, 19, 20, 1, 6, 2, 11	pi1coval 24223	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘[ℎ]( ≃ph‘𝐽)) = [(𝐹 ∘ ℎ)]( ≃ph‘𝐾))
124	123	adantlr 712	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘[ℎ]( ≃ph‘𝐽)) = [(𝐹 ∘ ℎ)]( ≃ph‘𝐾))
125	122, 124	oveq12d 7293	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘[ℎ]( ≃ph‘𝐽))) = ([(𝐹 ∘ 𝑓)]( ≃ph‘𝐾)(+g‘𝑄)[(𝐹 ∘ ℎ)]( ≃ph‘𝐾)))
126	115, 120, 125	3eqtr4d 2788	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽))) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘[ℎ]( ≃ph‘𝐽))))
127	26, 36, 126	ectocld 8573	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ 𝑧 ∈ (∪ 𝑉 / ( ≃ph‘𝐽))) → (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)))
128	127	ralrimiva 3103	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ∀𝑧 ∈ (∪ 𝑉 / ( ≃ph‘𝐽))(𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)))
129	23	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝑉 = (∪ 𝑉 / ( ≃ph‘𝐽)))
130	129	raleqdv 3348	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (∀𝑧 ∈ 𝑉 (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)) ↔ ∀𝑧 ∈ (∪ 𝑉 / ( ≃ph‘𝐽))(𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧))))
131	128, 130	mpbird 256	. . . . . 6 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ∀𝑧 ∈ 𝑉 (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)))
132	26, 31, 131	ectocld 8573	. . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ (∪ 𝑉 / ( ≃ph‘𝐽))) → ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))
133	25, 132	syldan 591	. . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑉) → ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))
134	133	ralrimiva 3103	. . 3 ⊢ (𝜑 → ∀𝑦 ∈ 𝑉 ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))
135	21, 134	jca 512	. 2 ⊢ (𝜑 → (𝐺:𝑉⟶(Base‘𝑄) ∧ ∀𝑦 ∈ 𝑉 ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧))))
136	19, 70, 116, 73	isghm 18834	. 2 ⊢ (𝐺 ∈ (𝑃 GrpHom 𝑄) ↔ ((𝑃 ∈ Grp ∧ 𝑄 ∈ Grp) ∧ (𝐺:𝑉⟶(Base‘𝑄) ∧ ∀𝑦 ∈ 𝑉 ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))))
137	5, 18, 135, 136	syl21anbrc 1343	1 ⊢ (𝜑 → 𝐺 ∈ (𝑃 GrpHom 𝑄))

Syntax hints:   → wi 4   ↔ wb 205   ∧ wa 396   ∧ w3a 1086   = wceq 1539   ∈ wcel 2106  ∀wral 3064  ⟨cop 4567  ∪ cuni 4839   ↦ cmpt 5157  ran crn 5590   ∘ ccom 5593  ⟶wf 6429  ‘cfv 6433  (class class class)co 7275  [cec 8496   / cqs 8497  0cc0 10871  1c1 10872  [,]cicc 13082  Basecbs 16912  +_gcplusg 16962  Grpcgrp 18577   GrpHom cghm 18831  Topctop 22042  TopOnctopon 22059   Cn ccn 22375  IIcii 24038   ≃_phcphtpc 24132  *_𝑝cpco 24163   π₁ cpi1 24166

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2709  ax-rep 5209  ax-sep 5223  ax-nul 5230  ax-pow 5288  ax-pr 5352  ax-un 7588  ax-cnex 10927  ax-resscn 10928  ax-1cn 10929  ax-icn 10930  ax-addcl 10931  ax-addrcl 10932  ax-mulcl 10933  ax-mulrcl 10934  ax-mulcom 10935  ax-addass 10936  ax-mulass 10937  ax-distr 10938  ax-i2m1 10939  ax-1ne0 10940  ax-1rid 10941  ax-rnegex 10942  ax-rrecex 10943  ax-cnre 10944  ax-pre-lttri 10945  ax-pre-lttrn 10946  ax-pre-ltadd 10947  ax-pre-mulgt0 10948  ax-pre-sup 10949  ax-addf 10950  ax-mulf 10951

This theorem depends on definitions:  df-bi 206  df-an 397  df-or 845  df-3or 1087  df-3an 1088  df-tru 1542  df-fal 1552  df-ex 1783  df-nf 1787  df-sb 2068  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2816  df-nfc 2889  df-ne 2944  df-nel 3050  df-ral 3069  df-rex 3070  df-rmo 3071  df-reu 3072  df-rab 3073  df-v 3434  df-sbc 3717  df-csb 3833  df-dif 3890  df-un 3892  df-in 3894  df-ss 3904  df-pss 3906  df-nul 4257  df-if 4460  df-pw 4535  df-sn 4562  df-pr 4564  df-tp 4566  df-op 4568  df-uni 4840  df-int 4880  df-iun 4926  df-iin 4927  df-br 5075  df-opab 5137  df-mpt 5158  df-tr 5192  df-id 5489  df-eprel 5495  df-po 5503  df-so 5504  df-fr 5544  df-se 5545  df-we 5546  df-xp 5595  df-rel 5596  df-cnv 5597  df-co 5598  df-dm 5599  df-rn 5600  df-res 5601  df-ima 5602  df-pred 6202  df-ord 6269  df-on 6270  df-lim 6271  df-suc 6272  df-iota 6391  df-fun 6435  df-fn 6436  df-f 6437  df-f1 6438  df-fo 6439  df-f1o 6440  df-fv 6441  df-isom 6442  df-riota 7232  df-ov 7278  df-oprab 7279  df-mpo 7280  df-of 7533  df-om 7713  df-1st 7831  df-2nd 7832  df-supp 7978  df-frecs 8097  df-wrecs 8128  df-recs 8202  df-rdg 8241  df-1o 8297  df-2o 8298  df-er 8498  df-ec 8500  df-qs 8504  df-map 8617  df-ixp 8686  df-en 8734  df-dom 8735  df-sdom 8736  df-fin 8737  df-fsupp 9129  df-fi 9170  df-sup 9201  df-inf 9202  df-oi 9269  df-card 9697  df-pnf 11011  df-mnf 11012  df-xr 11013  df-ltxr 11014  df-le 11015  df-sub 11207  df-neg 11208  df-div 11633  df-nn 11974  df-2 12036  df-3 12037  df-4 12038  df-5 12039  df-6 12040  df-7 12041  df-8 12042  df-9 12043  df-n0 12234  df-z 12320  df-dec 12438  df-uz 12583  df-q 12689  df-rp 12731  df-xneg 12848  df-xadd 12849  df-xmul 12850  df-ioo 13083  df-icc 13086  df-fz 13240  df-fzo 13383  df-seq 13722  df-exp 13783  df-hash 14045  df-cj 14810  df-re 14811  df-im 14812  df-sqrt 14946  df-abs 14947  df-struct 16848  df-sets 16865  df-slot 16883  df-ndx 16895  df-base 16913  df-ress 16942  df-plusg 16975  df-mulr 16976  df-starv 16977  df-sca 16978  df-vsca 16979  df-ip 16980  df-tset 16981  df-ple 16982  df-ds 16984  df-unif 16985  df-hom 16986  df-cco 16987  df-rest 17133  df-topn 17134  df-0g 17152  df-gsum 17153  df-topgen 17154  df-pt 17155  df-prds 17158  df-xrs 17213  df-qtop 17218  df-imas 17219  df-qus 17220  df-xps 17221  df-mre 17295  df-mrc 17296  df-acs 17298  df-mgm 18326  df-sgrp 18375  df-mnd 18386  df-submnd 18431  df-grp 18580  df-mulg 18701  df-ghm 18832  df-cntz 18923  df-cmn 19388  df-psmet 20589  df-xmet 20590  df-met 20591  df-bl 20592  df-mopn 20593  df-cnfld 20598  df-top 22043  df-topon 22060  df-topsp 22082  df-bases 22096  df-cld 22170  df-cn 22378  df-cnp 22379  df-tx 22713  df-hmeo 22906  df-xms 23473  df-ms 23474  df-tms 23475  df-ii 24040  df-htpy 24133  df-phtpy 24134  df-phtpc 24155  df-pco 24168  df-om1 24169  df-pi1 24171

This theorem is referenced by: (None)