Theorem pi1coghm 24961

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 24950	. . 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 23128	. . . . 5 ⊢ (𝐹 ∈ (𝐽 Cn 𝐾) → 𝐾 ∈ Top)
8	6, 7	syl 17	. . . 4 ⊢ (𝜑 → 𝐾 ∈ Top)
9		toptopon2 22805	. . . 4 ⊢ (𝐾 ∈ Top ↔ 𝐾 ∈ (TopOn‘∪ 𝐾))
10	8, 9	sylib 218	. . 3 ⊢ (𝜑 → 𝐾 ∈ (TopOn‘∪ 𝐾))
11		pi1co.b	. . . 4 ⊢ (𝜑 → (𝐹‘𝐴) = 𝐵)
12		cnf2 23136	. . . . . 6 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝐾 ∈ (TopOn‘∪ 𝐾) ∧ 𝐹 ∈ (𝐽 Cn 𝐾)) → 𝐹:𝑋⟶∪ 𝐾)
13	1, 10, 6, 12	syl3anc 1373	. . . . 5 ⊢ (𝜑 → 𝐹:𝑋⟶∪ 𝐾)
14	13, 2	ffvelcdmd 7057	. . . 4 ⊢ (𝜑 → (𝐹‘𝐴) ∈ ∪ 𝐾)
15	11, 14	eqeltrrd 2829	. . 3 ⊢ (𝜑 → 𝐵 ∈ ∪ 𝐾)
16		pi1co.q	. . . 4 ⊢ 𝑄 = (𝐾 π1 𝐵)
17	16	pi1grp 24950	. . 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 24959	. . 3 ⊢ (𝜑 → 𝐺:𝑉⟶(Base‘𝑄))
22	19	a1i 11	. . . . . . . 8 ⊢ (𝜑 → 𝑉 = (Base‘𝑃))
23	3, 1, 2, 22	pi1bas2 24941	. . . . . . 7 ⊢ (𝜑 → 𝑉 = (∪ 𝑉 / ( ≃ph‘𝐽)))
24	23	eleq2d 2814	. . . . . 6 ⊢ (𝜑 → (𝑦 ∈ 𝑉 ↔ 𝑦 ∈ (∪ 𝑉 / ( ≃ph‘𝐽))))
25	24	biimpa 476	. . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑉) → 𝑦 ∈ (∪ 𝑉 / ( ≃ph‘𝐽)))
26		eqid 2729	. . . . . 6 ⊢ (∪ 𝑉 / ( ≃ph‘𝐽)) = (∪ 𝑉 / ( ≃ph‘𝐽))
27		fvoveq1 7410	. . . . . . . 8 ⊢ ([𝑓]( ≃ph‘𝐽) = 𝑦 → (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = (𝐺‘(𝑦(+g‘𝑃)𝑧)))
28		fveq2 6858	. . . . . . . . 9 ⊢ ([𝑓]( ≃ph‘𝐽) = 𝑦 → (𝐺‘[𝑓]( ≃ph‘𝐽)) = (𝐺‘𝑦))
29	28	oveq1d 7402	. . . . . . . 8 ⊢ ([𝑓]( ≃ph‘𝐽) = 𝑦 → ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))
30	27, 29	eqeq12d 2745	. . . . . . 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 3156	. . . . . 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 7395	. . . . . . . . . . 11 ⊢ ([ℎ]( ≃ph‘𝐽) = 𝑧 → ([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽)) = ([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧))
33	32	fveq2d 6862	. . . . . . . . . 10 ⊢ ([ℎ]( ≃ph‘𝐽) = 𝑧 → (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽))) = (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)))
34		fveq2 6858	. . . . . . . . . . 11 ⊢ ([ℎ]( ≃ph‘𝐽) = 𝑧 → (𝐺‘[ℎ]( ≃ph‘𝐽)) = (𝐺‘𝑧))
35	34	oveq2d 7403	. . . . . . . . . 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 2745	. . . . . . . . 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 24942	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑓 ∈ ∪ 𝑉 ↔ (𝑓 ∈ (II Cn 𝐽) ∧ (𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐴)))
38	37	biimpa 476	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝑓 ∈ (II Cn 𝐽) ∧ (𝑓‘0) = 𝐴 ∧ (𝑓‘1) = 𝐴))
39	38	simp1d 1142	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝑓 ∈ (II Cn 𝐽))
40	39	adantr 480	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝑓 ∈ (II Cn 𝐽))
41	1	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐽 ∈ (TopOn‘𝑋))
42	2	adantr 480	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐴 ∈ 𝑋)
43	19	a1i 11	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝑉 = (Base‘𝑃))
44	3, 41, 42, 43	pi1eluni 24942	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (ℎ ∈ ∪ 𝑉 ↔ (ℎ ∈ (II Cn 𝐽) ∧ (ℎ‘0) = 𝐴 ∧ (ℎ‘1) = 𝐴)))
45	44	biimpa 476	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (ℎ ∈ (II Cn 𝐽) ∧ (ℎ‘0) = 𝐴 ∧ (ℎ‘1) = 𝐴))
46	45	simp1d 1142	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ℎ ∈ (II Cn 𝐽))
47	38	simp3d 1144	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝑓‘1) = 𝐴)
48	47	adantr 480	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓‘1) = 𝐴)
49	45	simp2d 1143	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (ℎ‘0) = 𝐴)
50	48, 49	eqtr4d 2767	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓‘1) = (ℎ‘0))
51	6	ad2antrr 726	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐹 ∈ (𝐽 Cn 𝐾))
52	40, 46, 50, 51	copco 24918	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹 ∘ (𝑓(*𝑝‘𝐽)ℎ)) = ((𝐹 ∘ 𝑓)(*𝑝‘𝐾)(𝐹 ∘ ℎ)))
53	52	eceq1d 8711	. . . . . . . . . . 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 24917	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓(*𝑝‘𝐽)ℎ) ∈ (II Cn 𝐽))
55	40, 46	pco0 24914	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ)‘0) = (𝑓‘0))
56	38	simp2d 1143	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝑓‘0) = 𝐴)
57	56	adantr 480	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓‘0) = 𝐴)
58	55, 57	eqtrd 2764	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ)‘0) = 𝐴)
59	40, 46	pco1 24915	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ)‘1) = (ℎ‘1))
60	45	simp3d 1144	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (ℎ‘1) = 𝐴)
61	59, 60	eqtrd 2764	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝑓(*𝑝‘𝐽)ℎ)‘1) = 𝐴)
62	1	ad2antrr 726	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐽 ∈ (TopOn‘𝑋))
63	2	ad2antrr 726	. . . . . . . . . . . . . 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 24942	. . . . . . . . . . . . 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 1343	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝑓(*𝑝‘𝐽)ℎ) ∈ ∪ 𝑉)
67	3, 16, 19, 20, 1, 6, 2, 11	pi1coval 24960	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ (𝑓(*𝑝‘𝐽)ℎ) ∈ ∪ 𝑉) → (𝐺‘[(𝑓(*𝑝‘𝐽)ℎ)]( ≃ph‘𝐽)) = [(𝐹 ∘ (𝑓(*𝑝‘𝐽)ℎ))]( ≃ph‘𝐾))
68	67	adantlr 715	. . . . . . . . . . . 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 2729	. . . . . . . . . . . 12 ⊢ (Base‘𝑄) = (Base‘𝑄)
71	10	ad2antrr 726	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐾 ∈ (TopOn‘∪ 𝐾))
72	15	ad2antrr 726	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝐵 ∈ ∪ 𝐾)
73		eqid 2729	. . . . . . . . . . . 12 ⊢ (+g‘𝑄) = (+g‘𝑄)
74	6	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐹 ∈ (𝐽 Cn 𝐾))
75		cnco 23153	. . . . . . . . . . . . . . 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 24772	. . . . . . . . . . . . . . . . 17 ⊢ II ∈ (TopOn‘(0[,]1))
78		cnf2 23136	. . . . . . . . . . . . . . . . 17 ⊢ ((II ∈ (TopOn‘(0[,]1)) ∧ 𝐽 ∈ (TopOn‘𝑋) ∧ 𝑓 ∈ (II Cn 𝐽)) → 𝑓:(0[,]1)⟶𝑋)
79	77, 41, 39, 78	mp3an2i 1468	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝑓:(0[,]1)⟶𝑋)
80		0elunit 13430	. . . . . . . . . . . . . . . 16 ⊢ 0 ∈ (0[,]1)
81		fvco3 6960	. . . . . . . . . . . . . . . 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 6862	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹‘(𝑓‘0)) = (𝐹‘𝐴))
84	11	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹‘𝐴) = 𝐵)
85	82, 83, 84	3eqtrd 2768	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ((𝐹 ∘ 𝑓)‘0) = 𝐵)
86		1elunit 13431	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ (0[,]1)
87		fvco3 6960	. . . . . . . . . . . . . . . 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 6862	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹‘(𝑓‘1)) = (𝐹‘𝐴))
90	88, 89, 84	3eqtrd 2768	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ((𝐹 ∘ 𝑓)‘1) = 𝐵)
91	10	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐾 ∈ (TopOn‘∪ 𝐾))
92	15	adantr 480	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝐵 ∈ ∪ 𝐾)
93		eqidd 2730	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (Base‘𝑄) = (Base‘𝑄))
94	16, 91, 92, 93	pi1eluni 24942	. . . . . . . . . . . . . 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 1343	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐹 ∘ 𝑓) ∈ ∪ (Base‘𝑄))
96	95	adantr 480	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹 ∘ 𝑓) ∈ ∪ (Base‘𝑄))
97		cnco 23153	. . . . . . . . . . . . . 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 23136	. . . . . . . . . . . . . . . 16 ⊢ ((II ∈ (TopOn‘(0[,]1)) ∧ 𝐽 ∈ (TopOn‘𝑋) ∧ ℎ ∈ (II Cn 𝐽)) → ℎ:(0[,]1)⟶𝑋)
100	77, 62, 46, 99	mp3an2i 1468	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ℎ:(0[,]1)⟶𝑋)
101		fvco3 6960	. . . . . . . . . . . . . . 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 6862	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹‘(ℎ‘0)) = (𝐹‘𝐴))
104	11	ad2antrr 726	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹‘𝐴) = 𝐵)
105	102, 103, 104	3eqtrd 2768	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝐹 ∘ ℎ)‘0) = 𝐵)
106		fvco3 6960	. . . . . . . . . . . . . . 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 6862	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹‘(ℎ‘1)) = (𝐹‘𝐴))
109	107, 108, 104	3eqtrd 2768	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ((𝐹 ∘ ℎ)‘1) = 𝐵)
110		eqidd 2730	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (Base‘𝑄) = (Base‘𝑄))
111	16, 10, 15, 110	pi1eluni 24942	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ((𝐹 ∘ ℎ) ∈ ∪ (Base‘𝑄) ↔ ((𝐹 ∘ ℎ) ∈ (II Cn 𝐾) ∧ ((𝐹 ∘ ℎ)‘0) = 𝐵 ∧ ((𝐹 ∘ ℎ)‘1) = 𝐵)))
112	111	ad2antrr 726	. . . . . . . . . . . . 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 1343	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐹 ∘ ℎ) ∈ ∪ (Base‘𝑄))
114	16, 70, 71, 72, 73, 96, 113	pi1addval 24948	. . . . . . . . . . 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 2774	. . . . . . . . . 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 2729	. . . . . . . . . . . 12 ⊢ (+g‘𝑃) = (+g‘𝑃)
117		simplr 768	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → 𝑓 ∈ ∪ 𝑉)
118		simpr 484	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ℎ ∈ ∪ 𝑉)
119	3, 19, 62, 63, 116, 117, 118	pi1addval 24948	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → ([𝑓]( ≃ph‘𝐽)(+g‘𝑃)[ℎ]( ≃ph‘𝐽)) = [(𝑓(*𝑝‘𝐽)ℎ)]( ≃ph‘𝐽))
120	119	fveq2d 6862	. . . . . . . . . 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 24960	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → (𝐺‘[𝑓]( ≃ph‘𝐽)) = [(𝐹 ∘ 𝑓)]( ≃ph‘𝐾))
122	121	adantr 480	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘[𝑓]( ≃ph‘𝐽)) = [(𝐹 ∘ 𝑓)]( ≃ph‘𝐾))
123	3, 16, 19, 20, 1, 6, 2, 11	pi1coval 24960	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘[ℎ]( ≃ph‘𝐽)) = [(𝐹 ∘ ℎ)]( ≃ph‘𝐾))
124	123	adantlr 715	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) ∧ ℎ ∈ ∪ 𝑉) → (𝐺‘[ℎ]( ≃ph‘𝐽)) = [(𝐹 ∘ ℎ)]( ≃ph‘𝐾))
125	122, 124	oveq12d 7405	. . . . . . . . . 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 2774	. . . . . . . . 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 8755	. . . . . . . 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 3125	. . . . . . 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 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → 𝑉 = (∪ 𝑉 / ( ≃ph‘𝐽)))
130	128, 129	raleqtrrdv 3303	. . . . . 6 ⊢ ((𝜑 ∧ 𝑓 ∈ ∪ 𝑉) → ∀𝑧 ∈ 𝑉 (𝐺‘([𝑓]( ≃ph‘𝐽)(+g‘𝑃)𝑧)) = ((𝐺‘[𝑓]( ≃ph‘𝐽))(+g‘𝑄)(𝐺‘𝑧)))
131	26, 31, 130	ectocld 8755	. . . . 5 ⊢ ((𝜑 ∧ 𝑦 ∈ (∪ 𝑉 / ( ≃ph‘𝐽))) → ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))
132	25, 131	syldan 591	. . . 4 ⊢ ((𝜑 ∧ 𝑦 ∈ 𝑉) → ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))
133	132	ralrimiva 3125	. . 3 ⊢ (𝜑 → ∀𝑦 ∈ 𝑉 ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧)))
134	21, 133	jca 511	. 2 ⊢ (𝜑 → (𝐺:𝑉⟶(Base‘𝑄) ∧ ∀𝑦 ∈ 𝑉 ∀𝑧 ∈ 𝑉 (𝐺‘(𝑦(+g‘𝑃)𝑧)) = ((𝐺‘𝑦)(+g‘𝑄)(𝐺‘𝑧))))
135	19, 70, 116, 73	isghm 19147	. 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)))))
136	5, 18, 134, 135	syl21anbrc 1345	1 ⊢ (𝜑 → 𝐺 ∈ (𝑃 GrpHom 𝑄))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   ∧ w3a 1086   = wceq 1540   ∈ wcel 2109  ∀wral 3044  ⟨cop 4595  ∪ cuni 4871   ↦ cmpt 5188  ran crn 5639   ∘ ccom 5642  ⟶wf 6507  ‘cfv 6511  (class class class)co 7387  [cec 8669   / cqs 8670  0cc0 11068  1c1 11069  [,]cicc 13309  Basecbs 17179  +_gcplusg 17220  Grpcgrp 18865   GrpHom cghm 19144  Topctop 22780  TopOnctopon 22797   Cn ccn 23111  IIcii 24768   ≃_phcphtpc 24868  *_𝑝cpco 24900   π₁ cpi1 24903

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5234  ax-sep 5251  ax-nul 5261  ax-pow 5320  ax-pr 5387  ax-un 7711  ax-cnex 11124  ax-resscn 11125  ax-1cn 11126  ax-icn 11127  ax-addcl 11128  ax-addrcl 11129  ax-mulcl 11130  ax-mulrcl 11131  ax-mulcom 11132  ax-addass 11133  ax-mulass 11134  ax-distr 11135  ax-i2m1 11136  ax-1ne0 11137  ax-1rid 11138  ax-rnegex 11139  ax-rrecex 11140  ax-cnre 11141  ax-pre-lttri 11142  ax-pre-lttrn 11143  ax-pre-ltadd 11144  ax-pre-mulgt0 11145  ax-pre-sup 11146  ax-addf 11147

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-rmo 3354  df-reu 3355  df-rab 3406  df-v 3449  df-sbc 3754  df-csb 3863  df-dif 3917  df-un 3919  df-in 3921  df-ss 3931  df-pss 3934  df-nul 4297  df-if 4489  df-pw 4565  df-sn 4590  df-pr 4592  df-tp 4594  df-op 4596  df-uni 4872  df-int 4911  df-iun 4957  df-iin 4958  df-br 5108  df-opab 5170  df-mpt 5189  df-tr 5215  df-id 5533  df-eprel 5538  df-po 5546  df-so 5547  df-fr 5591  df-se 5592  df-we 5593  df-xp 5644  df-rel 5645  df-cnv 5646  df-co 5647  df-dm 5648  df-rn 5649  df-res 5650  df-ima 5651  df-pred 6274  df-ord 6335  df-on 6336  df-lim 6337  df-suc 6338  df-iota 6464  df-fun 6513  df-fn 6514  df-f 6515  df-f1 6516  df-fo 6517  df-f1o 6518  df-fv 6519  df-isom 6520  df-riota 7344  df-ov 7390  df-oprab 7391  df-mpo 7392  df-of 7653  df-om 7843  df-1st 7968  df-2nd 7969  df-supp 8140  df-frecs 8260  df-wrecs 8291  df-recs 8340  df-rdg 8378  df-1o 8434  df-2o 8435  df-er 8671  df-ec 8673  df-qs 8677  df-map 8801  df-ixp 8871  df-en 8919  df-dom 8920  df-sdom 8921  df-fin 8922  df-fsupp 9313  df-fi 9362  df-sup 9393  df-inf 9394  df-oi 9463  df-card 9892  df-pnf 11210  df-mnf 11211  df-xr 11212  df-ltxr 11213  df-le 11214  df-sub 11407  df-neg 11408  df-div 11836  df-nn 12187  df-2 12249  df-3 12250  df-4 12251  df-5 12252  df-6 12253  df-7 12254  df-8 12255  df-9 12256  df-n0 12443  df-z 12530  df-dec 12650  df-uz 12794  df-q 12908  df-rp 12952  df-xneg 13072  df-xadd 13073  df-xmul 13074  df-ioo 13310  df-icc 13313  df-fz 13469  df-fzo 13616  df-seq 13967  df-exp 14027  df-hash 14296  df-cj 15065  df-re 15066  df-im 15067  df-sqrt 15201  df-abs 15202  df-struct 17117  df-sets 17134  df-slot 17152  df-ndx 17164  df-base 17180  df-ress 17201  df-plusg 17233  df-mulr 17234  df-starv 17235  df-sca 17236  df-vsca 17237  df-ip 17238  df-tset 17239  df-ple 17240  df-ds 17242  df-unif 17243  df-hom 17244  df-cco 17245  df-rest 17385  df-topn 17386  df-0g 17404  df-gsum 17405  df-topgen 17406  df-pt 17407  df-prds 17410  df-xrs 17465  df-qtop 17470  df-imas 17471  df-qus 17472  df-xps 17473  df-mre 17547  df-mrc 17548  df-acs 17550  df-mgm 18567  df-sgrp 18646  df-mnd 18662  df-submnd 18711  df-grp 18868  df-mulg 19000  df-ghm 19145  df-cntz 19249  df-cmn 19712  df-psmet 21256  df-xmet 21257  df-met 21258  df-bl 21259  df-mopn 21260  df-cnfld 21265  df-top 22781  df-topon 22798  df-topsp 22820  df-bases 22833  df-cld 22906  df-cn 23114  df-cnp 23115  df-tx 23449  df-hmeo 23642  df-xms 24208  df-ms 24209  df-tms 24210  df-ii 24770  df-htpy 24869  df-phtpy 24870  df-phtpc 24891  df-pco 24905  df-om1 24906  df-pi1 24908

This theorem is referenced by: (None)