Metamath Proof Explorer


Theorem fuccocl

Description: The composition of two natural transformations is a natural transformation. Remark 6.14(a) in Adamek p. 87. (Contributed by Mario Carneiro, 6-Jan-2017)

Ref Expression
Hypotheses fuccocl.q ⊢ 𝑄 = ( 𝐶 FuncCat 𝐷 )
fuccocl.n ⊢ 𝑁 = ( 𝐶 Nat 𝐷 )
fuccocl.x ⊢ ∙ = ( comp ‘ 𝑄 )
fuccocl.r ⊢ ( 𝜑 → 𝑅 ∈ ( 𝐹 𝑁 𝐺 ) )
fuccocl.s ⊢ ( 𝜑 → 𝑆 ∈ ( 𝐺 𝑁 𝐻 ) )
Assertion fuccocl ( 𝜑 → ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ∈ ( 𝐹 𝑁 𝐻 ) )

Proof

Step Hyp Ref Expression
1 fuccocl.q ⊢ 𝑄 = ( 𝐶 FuncCat 𝐷 )
2 fuccocl.n ⊢ 𝑁 = ( 𝐶 Nat 𝐷 )
3 fuccocl.x ⊢ ∙ = ( comp ‘ 𝑄 )
4 fuccocl.r ⊢ ( 𝜑 → 𝑅 ∈ ( 𝐹 𝑁 𝐺 ) )
5 fuccocl.s ⊢ ( 𝜑 → 𝑆 ∈ ( 𝐺 𝑁 𝐻 ) )
6 eqid ⊢ ( Base ‘ 𝐶 ) = ( Base ‘ 𝐶 )
7 eqid ⊢ ( comp ‘ 𝐷 ) = ( comp ‘ 𝐷 )
8 1 2 6 7 3 4 5 fucco ⊢ ( 𝜑 → ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) = ( 𝑥 ∈ ( Base ‘ 𝐶 ) ↦ ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ) )
9 eqid ⊢ ( Base ‘ 𝐷 ) = ( Base ‘ 𝐷 )
10 eqid ⊢ ( Hom ‘ 𝐷 ) = ( Hom ‘ 𝐷 )
11 2 natrcl ⊢ ( 𝑅 ∈ ( 𝐹 𝑁 𝐺 ) → ( 𝐹 ∈ ( 𝐶 Func 𝐷 ) ∧ 𝐺 ∈ ( 𝐶 Func 𝐷 ) ) )
12 4 11 syl ⊢ ( 𝜑 → ( 𝐹 ∈ ( 𝐶 Func 𝐷 ) ∧ 𝐺 ∈ ( 𝐶 Func 𝐷 ) ) )
13 12 simpld ⊢ ( 𝜑 → 𝐹 ∈ ( 𝐶 Func 𝐷 ) )
14 funcrcl ⊢ ( 𝐹 ∈ ( 𝐶 Func 𝐷 ) → ( 𝐶 ∈ Cat ∧ 𝐷 ∈ Cat ) )
15 13 14 syl ⊢ ( 𝜑 → ( 𝐶 ∈ Cat ∧ 𝐷 ∈ Cat ) )
16 15 simprd ⊢ ( 𝜑 → 𝐷 ∈ Cat )
17 16 adantr ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → 𝐷 ∈ Cat )
18 relfunc ⊢ Rel ( 𝐶 Func 𝐷 )
19 1st2ndbr ⊢ ( ( Rel ( 𝐶 Func 𝐷 ) ∧ 𝐹 ∈ ( 𝐶 Func 𝐷 ) ) → ( 1st ‘ 𝐹 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐹 ) )
20 18 13 19 sylancr ⊢ ( 𝜑 → ( 1st ‘ 𝐹 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐹 ) )
21 6 9 20 funcf1 ⊢ ( 𝜑 → ( 1st ‘ 𝐹 ) : ( Base ‘ 𝐶 ) ⟶ ( Base ‘ 𝐷 ) )
22 21 ffvelcdmda ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ∈ ( Base ‘ 𝐷 ) )
23 2 natrcl ⊢ ( 𝑆 ∈ ( 𝐺 𝑁 𝐻 ) → ( 𝐺 ∈ ( 𝐶 Func 𝐷 ) ∧ 𝐻 ∈ ( 𝐶 Func 𝐷 ) ) )
24 5 23 syl ⊢ ( 𝜑 → ( 𝐺 ∈ ( 𝐶 Func 𝐷 ) ∧ 𝐻 ∈ ( 𝐶 Func 𝐷 ) ) )
25 24 simpld ⊢ ( 𝜑 → 𝐺 ∈ ( 𝐶 Func 𝐷 ) )
26 1st2ndbr ⊢ ( ( Rel ( 𝐶 Func 𝐷 ) ∧ 𝐺 ∈ ( 𝐶 Func 𝐷 ) ) → ( 1st ‘ 𝐺 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐺 ) )
27 18 25 26 sylancr ⊢ ( 𝜑 → ( 1st ‘ 𝐺 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐺 ) )
28 6 9 27 funcf1 ⊢ ( 𝜑 → ( 1st ‘ 𝐺 ) : ( Base ‘ 𝐶 ) ⟶ ( Base ‘ 𝐷 ) )
29 28 ffvelcdmda ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ∈ ( Base ‘ 𝐷 ) )
30 24 simprd ⊢ ( 𝜑 → 𝐻 ∈ ( 𝐶 Func 𝐷 ) )
31 1st2ndbr ⊢ ( ( Rel ( 𝐶 Func 𝐷 ) ∧ 𝐻 ∈ ( 𝐶 Func 𝐷 ) ) → ( 1st ‘ 𝐻 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐻 ) )
32 18 30 31 sylancr ⊢ ( 𝜑 → ( 1st ‘ 𝐻 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐻 ) )
33 6 9 32 funcf1 ⊢ ( 𝜑 → ( 1st ‘ 𝐻 ) : ( Base ‘ 𝐶 ) ⟶ ( Base ‘ 𝐷 ) )
34 33 ffvelcdmda ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ∈ ( Base ‘ 𝐷 ) )
35 2 4 nat1st2nd ⊢ ( 𝜑 → 𝑅 ∈ ( ⟨ ( 1st ‘ 𝐹 ) , ( 2nd ‘ 𝐹 ) ⟩ 𝑁 ⟨ ( 1st ‘ 𝐺 ) , ( 2nd ‘ 𝐺 ) ⟩ ) )
36 35 adantr ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → 𝑅 ∈ ( ⟨ ( 1st ‘ 𝐹 ) , ( 2nd ‘ 𝐹 ) ⟩ 𝑁 ⟨ ( 1st ‘ 𝐺 ) , ( 2nd ‘ 𝐺 ) ⟩ ) )
37 simpr ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → 𝑥 ∈ ( Base ‘ 𝐶 ) )
38 2 36 6 10 37 natcl ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → ( 𝑅 ‘ 𝑥 ) ∈ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ) )
39 2 5 nat1st2nd ⊢ ( 𝜑 → 𝑆 ∈ ( ⟨ ( 1st ‘ 𝐺 ) , ( 2nd ‘ 𝐺 ) ⟩ 𝑁 ⟨ ( 1st ‘ 𝐻 ) , ( 2nd ‘ 𝐻 ) ⟩ ) )
40 39 adantr ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → 𝑆 ∈ ( ⟨ ( 1st ‘ 𝐺 ) , ( 2nd ‘ 𝐺 ) ⟩ 𝑁 ⟨ ( 1st ‘ 𝐻 ) , ( 2nd ‘ 𝐻 ) ⟩ ) )
41 2 40 6 10 37 natcl ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → ( 𝑆 ‘ 𝑥 ) ∈ ( ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) )
42 9 10 7 17 22 29 34 38 41 catcocl ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ( Base ‘ 𝐶 ) ) → ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ∈ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) )
43 42 ralrimiva ⊢ ( 𝜑 → ∀ 𝑥 ∈ ( Base ‘ 𝐶 ) ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ∈ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) )
44 fvex ⊢ ( Base ‘ 𝐶 ) ∈ V
45 mptelixpg ⊢ ( ( Base ‘ 𝐶 ) ∈ V → ( ( 𝑥 ∈ ( Base ‘ 𝐶 ) ↦ ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ) ∈ X 𝑥 ∈ ( Base ‘ 𝐶 ) ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ↔ ∀ 𝑥 ∈ ( Base ‘ 𝐶 ) ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ∈ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ) )
46 44 45 ax-mp ⊢ ( ( 𝑥 ∈ ( Base ‘ 𝐶 ) ↦ ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ) ∈ X 𝑥 ∈ ( Base ‘ 𝐶 ) ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ↔ ∀ 𝑥 ∈ ( Base ‘ 𝐶 ) ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ∈ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) )
47 43 46 sylibr ⊢ ( 𝜑 → ( 𝑥 ∈ ( Base ‘ 𝐶 ) ↦ ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ) ∈ X 𝑥 ∈ ( Base ‘ 𝐶 ) ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) )
48 8 47 eqeltrd ⊢ ( 𝜑 → ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ∈ X 𝑥 ∈ ( Base ‘ 𝐶 ) ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) )
49 16 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → 𝐷 ∈ Cat )
50 21 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 1st ‘ 𝐹 ) : ( Base ‘ 𝐶 ) ⟶ ( Base ‘ 𝐷 ) )
51 simpr1 ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → 𝑥 ∈ ( Base ‘ 𝐶 ) )
52 50 51 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ∈ ( Base ‘ 𝐷 ) )
53 simpr2 ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → 𝑦 ∈ ( Base ‘ 𝐶 ) )
54 50 53 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ∈ ( Base ‘ 𝐷 ) )
55 28 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 1st ‘ 𝐺 ) : ( Base ‘ 𝐶 ) ⟶ ( Base ‘ 𝐷 ) )
56 55 53 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ∈ ( Base ‘ 𝐷 ) )
57 eqid ⊢ ( Hom ‘ 𝐶 ) = ( Hom ‘ 𝐶 )
58 20 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 1st ‘ 𝐹 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐹 ) )
59 6 57 10 58 51 53 funcf2 ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) : ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ⟶ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ) )
60 simpr3 ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) )
61 59 60 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ∈ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ) )
62 35 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → 𝑅 ∈ ( ⟨ ( 1st ‘ 𝐹 ) , ( 2nd ‘ 𝐹 ) ⟩ 𝑁 ⟨ ( 1st ‘ 𝐺 ) , ( 2nd ‘ 𝐺 ) ⟩ ) )
63 2 62 6 10 53 natcl ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 𝑅 ‘ 𝑦 ) ∈ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) )
64 33 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 1st ‘ 𝐻 ) : ( Base ‘ 𝐶 ) ⟶ ( Base ‘ 𝐷 ) )
65 64 53 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ∈ ( Base ‘ 𝐷 ) )
66 39 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → 𝑆 ∈ ( ⟨ ( 1st ‘ 𝐺 ) , ( 2nd ‘ 𝐺 ) ⟩ 𝑁 ⟨ ( 1st ‘ 𝐻 ) , ( 2nd ‘ 𝐻 ) ⟩ ) )
67 2 66 6 10 53 natcl ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 𝑆 ‘ 𝑦 ) ∈ ( ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) )
68 9 10 7 49 52 54 56 61 63 65 67 catass ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑦 ) ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) = ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑅 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) ) )
69 2 62 6 57 7 51 53 60 nati ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑅 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) = ( ( ( 𝑥 ( 2nd ‘ 𝐺 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑥 ) ) )
70 69 oveq2d ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑅 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) ) = ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( ( 𝑥 ( 2nd ‘ 𝐺 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑥 ) ) ) )
71 55 51 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ∈ ( Base ‘ 𝐷 ) )
72 2 62 6 10 51 natcl ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 𝑅 ‘ 𝑥 ) ∈ ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ) )
73 27 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 1st ‘ 𝐺 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐺 ) )
74 6 57 10 73 51 53 funcf2 ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 𝑥 ( 2nd ‘ 𝐺 ) 𝑦 ) : ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ⟶ ( ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) )
75 74 60 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑥 ( 2nd ‘ 𝐺 ) 𝑦 ) ‘ 𝑓 ) ∈ ( ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) )
76 9 10 7 49 52 71 56 72 75 65 67 catass ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐺 ) 𝑦 ) ‘ 𝑓 ) ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑥 ) ) = ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( ( 𝑥 ( 2nd ‘ 𝐺 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑥 ) ) ) )
77 2 66 6 57 7 51 53 60 nati ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐺 ) 𝑦 ) ‘ 𝑓 ) ) = ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑆 ‘ 𝑥 ) ) )
78 77 oveq1d ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐺 ) 𝑦 ) ‘ 𝑓 ) ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑥 ) ) = ( ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑆 ‘ 𝑥 ) ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑥 ) ) )
79 70 76 78 3eqtr2d ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑅 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) ) = ( ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑆 ‘ 𝑥 ) ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑥 ) ) )
80 64 51 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ∈ ( Base ‘ 𝐷 ) )
81 2 66 6 10 51 natcl ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 𝑆 ‘ 𝑥 ) ∈ ( ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) )
82 32 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 1st ‘ 𝐻 ) ( 𝐶 Func 𝐷 ) ( 2nd ‘ 𝐻 ) )
83 6 57 10 82 51 53 funcf2 ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) : ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ⟶ ( ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) )
84 83 60 ffvelcdmd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ∈ ( ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) )
85 9 10 7 49 52 71 80 72 81 65 84 catass ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑆 ‘ 𝑥 ) ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑥 ) ) = ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ) )
86 68 79 85 3eqtrd ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑦 ) ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) = ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ) )
87 4 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → 𝑅 ∈ ( 𝐹 𝑁 𝐺 ) )
88 5 adantr ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → 𝑆 ∈ ( 𝐺 𝑁 𝐻 ) )
89 1 2 6 7 3 87 88 53 fuccoval ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑦 ) = ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑦 ) ) )
90 89 oveq1d ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) = ( ( ( 𝑆 ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( 𝑅 ‘ 𝑦 ) ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) )
91 1 2 6 7 3 87 88 51 fuccoval ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑥 ) = ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) )
92 91 oveq2d ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑥 ) ) = ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑆 ‘ 𝑥 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐺 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ( 𝑅 ‘ 𝑥 ) ) ) )
93 86 90 92 3eqtr4d ⊢ ( ( 𝜑 ∧ ( 𝑥 ∈ ( Base ‘ 𝐶 ) ∧ 𝑦 ∈ ( Base ‘ 𝐶 ) ∧ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ) ) → ( ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) = ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑥 ) ) )
94 93 ralrimivvva ⊢ ( 𝜑 → ∀ 𝑥 ∈ ( Base ‘ 𝐶 ) ∀ 𝑦 ∈ ( Base ‘ 𝐶 ) ∀ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ( ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) = ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑥 ) ) )
95 2 6 57 10 7 13 30 isnat2 ⊢ ( 𝜑 → ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ∈ ( 𝐹 𝑁 𝐻 ) ↔ ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ∈ X 𝑥 ∈ ( Base ‘ 𝐶 ) ( ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) ( Hom ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ) ∧ ∀ 𝑥 ∈ ( Base ‘ 𝐶 ) ∀ 𝑦 ∈ ( Base ‘ 𝐶 ) ∀ 𝑓 ∈ ( 𝑥 ( Hom ‘ 𝐶 ) 𝑦 ) ( ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑦 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐹 ) ‘ 𝑦 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑥 ( 2nd ‘ 𝐹 ) 𝑦 ) ‘ 𝑓 ) ) = ( ( ( 𝑥 ( 2nd ‘ 𝐻 ) 𝑦 ) ‘ 𝑓 ) ( ⟨ ( ( 1st ‘ 𝐹 ) ‘ 𝑥 ) , ( ( 1st ‘ 𝐻 ) ‘ 𝑥 ) ⟩ ( comp ‘ 𝐷 ) ( ( 1st ‘ 𝐻 ) ‘ 𝑦 ) ) ( ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ‘ 𝑥 ) ) ) ) )
96 48 94 95 mpbir2and ⊢ ( 𝜑 → ( 𝑆 ( ⟨ 𝐹 , 𝐺 ⟩ ∙ 𝐻 ) 𝑅 ) ∈ ( 𝐹 𝑁 𝐻 ) )