Theorem natpropd 16683

Description: If two categories have the same set of objects, morphisms, and compositions, then they have the same natural transformations. (Contributed by Mario Carneiro, 26-Jan-2017.)

Hypotheses

Ref	Expression
fucpropd.1	⊢ (𝜑 → (Homf ‘𝐴) = (Homf ‘𝐵))
fucpropd.2	⊢ (𝜑 → (compf‘𝐴) = (compf‘𝐵))
fucpropd.3	⊢ (𝜑 → (Homf ‘𝐶) = (Homf ‘𝐷))
fucpropd.4	⊢ (𝜑 → (compf‘𝐶) = (compf‘𝐷))
fucpropd.a	⊢ (𝜑 → 𝐴 ∈ Cat)
fucpropd.b	⊢ (𝜑 → 𝐵 ∈ Cat)
fucpropd.c	⊢ (𝜑 → 𝐶 ∈ Cat)
fucpropd.d	⊢ (𝜑 → 𝐷 ∈ Cat)

Assertion

Ref	Expression
natpropd	⊢ (𝜑 → (𝐴 Nat 𝐶) = (𝐵 Nat 𝐷))

Proof of Theorem natpropd

Dummy variables 𝑎 𝑓 𝑔 ℎ 𝑟 𝑠 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		fucpropd.1	. . . 4 ⊢ (𝜑 → (Homf ‘𝐴) = (Homf ‘𝐵))
2		fucpropd.2	. . . 4 ⊢ (𝜑 → (compf‘𝐴) = (compf‘𝐵))
3		fucpropd.3	. . . 4 ⊢ (𝜑 → (Homf ‘𝐶) = (Homf ‘𝐷))
4		fucpropd.4	. . . 4 ⊢ (𝜑 → (compf‘𝐶) = (compf‘𝐷))
5		fucpropd.a	. . . 4 ⊢ (𝜑 → 𝐴 ∈ Cat)
6		fucpropd.b	. . . 4 ⊢ (𝜑 → 𝐵 ∈ Cat)
7		fucpropd.c	. . . 4 ⊢ (𝜑 → 𝐶 ∈ Cat)
8		fucpropd.d	. . . 4 ⊢ (𝜑 → 𝐷 ∈ Cat)
9	1, 2, 3, 4, 5, 6, 7, 8	funcpropd 16607	. . 3 ⊢ (𝜑 → (𝐴 Func 𝐶) = (𝐵 Func 𝐷))
10	9	adantr 480	. . 3 ⊢ ((𝜑 ∧ 𝑓 ∈ (𝐴 Func 𝐶)) → (𝐴 Func 𝐶) = (𝐵 Func 𝐷))
11		nfv 1883	. . . 4 ⊢ Ⅎ𝑟(𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶)))
12		nfcsb1v 3582	. . . . 5 ⊢ Ⅎ𝑟⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))}
13	12	a1i 11	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) → Ⅎ𝑟⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
14		fvexd 6241	. . . 4 ⊢ ((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) → (1st ‘𝑓) ∈ V)
15		nfv 1883	. . . . . 6 ⊢ Ⅎ𝑠((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓))
16		nfcsb1v 3582	. . . . . . 7 ⊢ Ⅎ𝑠⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))}
17	16	a1i 11	. . . . . 6 ⊢ (((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) → Ⅎ𝑠⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
18		fvexd 6241	. . . . . 6 ⊢ (((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) → (1st ‘𝑔) ∈ V)
19		eqid 2651	. . . . . . . . . . 11 ⊢ (Base‘𝐶) = (Base‘𝐶)
20		eqid 2651	. . . . . . . . . . 11 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶)
21		eqid 2651	. . . . . . . . . . 11 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷)
22	3	ad4antr 769	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑥 ∈ (Base‘𝐴)) → (Homf ‘𝐶) = (Homf ‘𝐷))
23		eqid 2651	. . . . . . . . . . . . 13 ⊢ (Base‘𝐴) = (Base‘𝐴)
24		simplr 807	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → 𝑟 = (1st ‘𝑓))
25		relfunc 16569	. . . . . . . . . . . . . . 15 ⊢ Rel (𝐴 Func 𝐶)
26		simpllr 815	. . . . . . . . . . . . . . . 16 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶)))
27	26	simpld 474	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → 𝑓 ∈ (𝐴 Func 𝐶))
28		1st2ndbr 7261	. . . . . . . . . . . . . . 15 ⊢ ((Rel (𝐴 Func 𝐶) ∧ 𝑓 ∈ (𝐴 Func 𝐶)) → (1st ‘𝑓)(𝐴 Func 𝐶)(2nd ‘𝑓))
29	25, 27, 28	sylancr 696	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → (1st ‘𝑓)(𝐴 Func 𝐶)(2nd ‘𝑓))
30	24, 29	eqbrtrd 4707	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → 𝑟(𝐴 Func 𝐶)(2nd ‘𝑓))
31	23, 19, 30	funcf1 16573	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → 𝑟:(Base‘𝐴)⟶(Base‘𝐶))
32	31	ffvelrnda 6399	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑥 ∈ (Base‘𝐴)) → (𝑟‘𝑥) ∈ (Base‘𝐶))
33		simpr 476	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → 𝑠 = (1st ‘𝑔))
34	26	simprd 478	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → 𝑔 ∈ (𝐴 Func 𝐶))
35		1st2ndbr 7261	. . . . . . . . . . . . . . 15 ⊢ ((Rel (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶)) → (1st ‘𝑔)(𝐴 Func 𝐶)(2nd ‘𝑔))
36	25, 34, 35	sylancr 696	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → (1st ‘𝑔)(𝐴 Func 𝐶)(2nd ‘𝑔))
37	33, 36	eqbrtrd 4707	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → 𝑠(𝐴 Func 𝐶)(2nd ‘𝑔))
38	23, 19, 37	funcf1 16573	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → 𝑠:(Base‘𝐴)⟶(Base‘𝐶))
39	38	ffvelrnda 6399	. . . . . . . . . . 11 ⊢ (((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑥 ∈ (Base‘𝐴)) → (𝑠‘𝑥) ∈ (Base‘𝐶))
40	19, 20, 21, 22, 32, 39	homfeqval 16404	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑥 ∈ (Base‘𝐴)) → ((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) = ((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)))
41	40	ixpeq2dva 7965	. . . . . . . . 9 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) = X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)))
42	1	homfeqbas 16403	. . . . . . . . . . 11 ⊢ (𝜑 → (Base‘𝐴) = (Base‘𝐵))
43	42	ad3antrrr 766	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → (Base‘𝐴) = (Base‘𝐵))
44	43	ixpeq1d 7962	. . . . . . . . 9 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) = X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)))
45	41, 44	eqtrd 2685	. . . . . . . 8 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) = X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)))
46		fveq2 6229	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑧 → (𝑟‘𝑥) = (𝑟‘𝑧))
47		fveq2 6229	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑧 → (𝑠‘𝑥) = (𝑠‘𝑧))
48	46, 47	oveq12d 6708	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑧 → ((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) = ((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧)))
49	48	cbvixpv 7968	. . . . . . . . . 10 ⊢ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) = X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))
50	49	eleq2i 2722	. . . . . . . . 9 ⊢ (𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) ↔ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧)))
51	43	adantr 480	. . . . . . . . . 10 ⊢ (((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) → (Base‘𝐴) = (Base‘𝐵))
52	51	adantr 480	. . . . . . . . . . 11 ⊢ ((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) → (Base‘𝐴) = (Base‘𝐵))
53		eqid 2651	. . . . . . . . . . . . 13 ⊢ (Hom ‘𝐴) = (Hom ‘𝐴)
54		eqid 2651	. . . . . . . . . . . . 13 ⊢ (Hom ‘𝐵) = (Hom ‘𝐵)
55	1	ad6antr 777	. . . . . . . . . . . . 13 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → (Homf ‘𝐴) = (Homf ‘𝐵))
56		simplr 807	. . . . . . . . . . . . 13 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → 𝑥 ∈ (Base‘𝐴))
57		simpr 476	. . . . . . . . . . . . 13 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → 𝑦 ∈ (Base‘𝐴))
58	23, 53, 54, 55, 56, 57	homfeqval 16404	. . . . . . . . . . . 12 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → (𝑥(Hom ‘𝐴)𝑦) = (𝑥(Hom ‘𝐵)𝑦))
59		eqid 2651	. . . . . . . . . . . . . 14 ⊢ (comp‘𝐶) = (comp‘𝐶)
60		eqid 2651	. . . . . . . . . . . . . 14 ⊢ (comp‘𝐷) = (comp‘𝐷)
61	3	ad7antr 781	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (Homf ‘𝐶) = (Homf ‘𝐷))
62	4	ad7antr 781	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (compf‘𝐶) = (compf‘𝐷))
63	32	adantlr 751	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) → (𝑟‘𝑥) ∈ (Base‘𝐶))
64	63	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (𝑟‘𝑥) ∈ (Base‘𝐶))
65	31	ad2antrr 762	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) → 𝑟:(Base‘𝐴)⟶(Base‘𝐶))
66	65	ffvelrnda 6399	. . . . . . . . . . . . . . 15 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → (𝑟‘𝑦) ∈ (Base‘𝐶))
67	66	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (𝑟‘𝑦) ∈ (Base‘𝐶))
68	38	ad2antrr 762	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) → 𝑠:(Base‘𝐴)⟶(Base‘𝐶))
69	68	ffvelrnda 6399	. . . . . . . . . . . . . . 15 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → (𝑠‘𝑦) ∈ (Base‘𝐶))
70	69	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (𝑠‘𝑦) ∈ (Base‘𝐶))
71	30	ad3antrrr 766	. . . . . . . . . . . . . . . 16 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → 𝑟(𝐴 Func 𝐶)(2nd ‘𝑓))
72	23, 53, 20, 71, 56, 57	funcf2 16575	. . . . . . . . . . . . . . 15 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → (𝑥(2nd ‘𝑓)𝑦):(𝑥(Hom ‘𝐴)𝑦)⟶((𝑟‘𝑥)(Hom ‘𝐶)(𝑟‘𝑦)))
73	72	ffvelrnda 6399	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → ((𝑥(2nd ‘𝑓)𝑦)‘ℎ) ∈ ((𝑟‘𝑥)(Hom ‘𝐶)(𝑟‘𝑦)))
74		simplr 807	. . . . . . . . . . . . . . . 16 ⊢ ((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) → 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧)))
75		fveq2 6229	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 = 𝑦 → (𝑟‘𝑧) = (𝑟‘𝑦))
76		fveq2 6229	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 = 𝑦 → (𝑠‘𝑧) = (𝑠‘𝑦))
77	75, 76	oveq12d 6708	. . . . . . . . . . . . . . . . 17 ⊢ (𝑧 = 𝑦 → ((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧)) = ((𝑟‘𝑦)(Hom ‘𝐶)(𝑠‘𝑦)))
78	77	fvixp 7955	. . . . . . . . . . . . . . . 16 ⊢ ((𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧)) ∧ 𝑦 ∈ (Base‘𝐴)) → (𝑎‘𝑦) ∈ ((𝑟‘𝑦)(Hom ‘𝐶)(𝑠‘𝑦)))
79	74, 78	sylan 487	. . . . . . . . . . . . . . 15 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → (𝑎‘𝑦) ∈ ((𝑟‘𝑦)(Hom ‘𝐶)(𝑠‘𝑦)))
80	79	adantr 480	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (𝑎‘𝑦) ∈ ((𝑟‘𝑦)(Hom ‘𝐶)(𝑠‘𝑦)))
81	19, 20, 59, 60, 61, 62, 64, 67, 70, 73, 80	comfeqval 16415	. . . . . . . . . . . . 13 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → ((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = ((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)))
82	39	adantlr 751	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) → (𝑠‘𝑥) ∈ (Base‘𝐶))
83	82	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (𝑠‘𝑥) ∈ (Base‘𝐶))
84		fveq2 6229	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 = 𝑥 → (𝑟‘𝑧) = (𝑟‘𝑥))
85		fveq2 6229	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 = 𝑥 → (𝑠‘𝑧) = (𝑠‘𝑥))
86	84, 85	oveq12d 6708	. . . . . . . . . . . . . . . . 17 ⊢ (𝑧 = 𝑥 → ((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧)) = ((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)))
87	86	fvixp 7955	. . . . . . . . . . . . . . . 16 ⊢ ((𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧)) ∧ 𝑥 ∈ (Base‘𝐴)) → (𝑎‘𝑥) ∈ ((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)))
88	87	adantll 750	. . . . . . . . . . . . . . 15 ⊢ ((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) → (𝑎‘𝑥) ∈ ((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)))
89	88	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (𝑎‘𝑥) ∈ ((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)))
90	37	ad3antrrr 766	. . . . . . . . . . . . . . . 16 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → 𝑠(𝐴 Func 𝐶)(2nd ‘𝑔))
91	23, 53, 20, 90, 56, 57	funcf2 16575	. . . . . . . . . . . . . . 15 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → (𝑥(2nd ‘𝑔)𝑦):(𝑥(Hom ‘𝐴)𝑦)⟶((𝑠‘𝑥)(Hom ‘𝐶)(𝑠‘𝑦)))
92	91	ffvelrnda 6399	. . . . . . . . . . . . . 14 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → ((𝑥(2nd ‘𝑔)𝑦)‘ℎ) ∈ ((𝑠‘𝑥)(Hom ‘𝐶)(𝑠‘𝑦)))
93	19, 20, 59, 60, 61, 62, 64, 83, 70, 89, 92	comfeqval 16415	. . . . . . . . . . . . 13 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥)))
94	81, 93	eqeq12d 2666	. . . . . . . . . . . 12 ⊢ ((((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) ∧ ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)) → (((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥)) ↔ ((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))))
95	58, 94	raleqbidva 3184	. . . . . . . . . . 11 ⊢ (((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) ∧ 𝑦 ∈ (Base‘𝐴)) → (∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥)) ↔ ∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))))
96	52, 95	raleqbidva 3184	. . . . . . . . . 10 ⊢ ((((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) ∧ 𝑥 ∈ (Base‘𝐴)) → (∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥)) ↔ ∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))))
97	51, 96	raleqbidva 3184	. . . . . . . . 9 ⊢ (((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑧 ∈ (Base‘𝐴)((𝑟‘𝑧)(Hom ‘𝐶)(𝑠‘𝑧))) → (∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥)) ↔ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))))
98	50, 97	sylan2b 491	. . . . . . . 8 ⊢ (((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) ∧ 𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥))) → (∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥)) ↔ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))))
99	45, 98	rabeqbidva 3227	. . . . . . 7 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → {𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥))} = {𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
100		csbeq1a 3575	. . . . . . . 8 ⊢ (𝑠 = (1st ‘𝑔) → {𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))} = ⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
101	100	adantl 481	. . . . . . 7 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → {𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))} = ⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
102	99, 101	eqtrd 2685	. . . . . 6 ⊢ ((((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) ∧ 𝑠 = (1st ‘𝑔)) → {𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥))} = ⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
103	15, 17, 18, 102	csbiedf 3587	. . . . 5 ⊢ (((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) → ⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥))} = ⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
104		csbeq1a 3575	. . . . . 6 ⊢ (𝑟 = (1st ‘𝑓) → ⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))} = ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
105	104	adantl 481	. . . . 5 ⊢ (((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) → ⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))} = ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
106	103, 105	eqtrd 2685	. . . 4 ⊢ (((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) ∧ 𝑟 = (1st ‘𝑓)) → ⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥))} = ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
107	11, 13, 14, 106	csbiedf 3587	. . 3 ⊢ ((𝜑 ∧ (𝑓 ∈ (𝐴 Func 𝐶) ∧ 𝑔 ∈ (𝐴 Func 𝐶))) → ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥))} = ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
108	9, 10, 107	mpt2eq123dva 6758	. 2 ⊢ (𝜑 → (𝑓 ∈ (𝐴 Func 𝐶), 𝑔 ∈ (𝐴 Func 𝐶) ↦ ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥))}) = (𝑓 ∈ (𝐵 Func 𝐷), 𝑔 ∈ (𝐵 Func 𝐷) ↦ ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))}))
109		eqid 2651	. . 3 ⊢ (𝐴 Nat 𝐶) = (𝐴 Nat 𝐶)
110	109, 23, 53, 20, 59	natfval 16653	. 2 ⊢ (𝐴 Nat 𝐶) = (𝑓 ∈ (𝐴 Func 𝐶), 𝑔 ∈ (𝐴 Func 𝐶) ↦ ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐴)((𝑟‘𝑥)(Hom ‘𝐶)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐴)∀𝑦 ∈ (Base‘𝐴)∀ℎ ∈ (𝑥(Hom ‘𝐴)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐶)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐶)(𝑠‘𝑦))(𝑎‘𝑥))})
111		eqid 2651	. . 3 ⊢ (𝐵 Nat 𝐷) = (𝐵 Nat 𝐷)
112		eqid 2651	. . 3 ⊢ (Base‘𝐵) = (Base‘𝐵)
113	111, 112, 54, 21, 60	natfval 16653	. 2 ⊢ (𝐵 Nat 𝐷) = (𝑓 ∈ (𝐵 Func 𝐷), 𝑔 ∈ (𝐵 Func 𝐷) ↦ ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐵)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐵)∀𝑦 ∈ (Base‘𝐵)∀ℎ ∈ (𝑥(Hom ‘𝐵)𝑦)((𝑎‘𝑦)(⟨(𝑟‘𝑥), (𝑟‘𝑦)⟩(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(⟨(𝑟‘𝑥), (𝑠‘𝑥)⟩(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))})
114	108, 110, 113	3eqtr4g 2710	1 ⊢ (𝜑 → (𝐴 Nat 𝐶) = (𝐵 Nat 𝐷))

Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 383   = wceq 1523   ∈ wcel 2030  Ⅎwnfc 2780  ∀wral 2941  {crab 2945  Vcvv 3231  ⦋csb 3566  ⟨cop 4216   class class class wbr 4685  Rel wrel 5148  ⟶wf 5922  ‘cfv 5926  (class class class)co 6690   ↦ cmpt2 6692  1^st c1st 7208  2^nd c2nd 7209  Xcixp 7950  Basecbs 15904  Hom chom 15999  compcco 16000  Catccat 16372  Hom_f chomf 16374  comp_fccomf 16375   Func cfunc 16561   Nat cnat 16648

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-rep 4804  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991

This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3an 1056  df-tru 1526  df-fal 1529  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-ral 2946  df-rex 2947  df-reu 2948  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-op 4217  df-uni 4469  df-iun 4554  df-br 4686  df-opab 4746  df-mpt 4763  df-id 5053  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-f1 5931  df-fo 5932  df-f1o 5933  df-fv 5934  df-riota 6651  df-ov 6693  df-oprab 6694  df-mpt2 6695  df-1st 7210  df-2nd 7211  df-map 7901  df-ixp 7951  df-cat 16376  df-cid 16377  df-homf 16378  df-comf 16379  df-func 16565  df-nat 16650

This theorem is referenced by:  fucpropd  16684