| Step | Hyp | Ref
| Expression |
| 1 | | eqid 2730 |
. . . . . 6
⊢
(Base‘𝐸) =
(Base‘𝐸) |
| 2 | | prcofdiag1.b |
. . . . . 6
⊢ 𝐵 = (Base‘𝐶) |
| 3 | | prcofdiag.f |
. . . . . . . 8
⊢ (𝜑 → 𝐹 ∈ (𝐸 Func 𝐷)) |
| 4 | | prcofdiag.l |
. . . . . . . . 9
⊢ 𝐿 = (𝐶Δfunc𝐷) |
| 5 | | prcofdiag.c |
. . . . . . . . 9
⊢ (𝜑 → 𝐶 ∈ Cat) |
| 6 | 3 | func1st2nd 49055 |
. . . . . . . . . 10
⊢ (𝜑 → (1st
‘𝐹)(𝐸 Func 𝐷)(2nd ‘𝐹)) |
| 7 | 6 | funcrcl3 49059 |
. . . . . . . . 9
⊢ (𝜑 → 𝐷 ∈ Cat) |
| 8 | | prcofdiag1.x |
. . . . . . . . 9
⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| 9 | | eqid 2730 |
. . . . . . . . 9
⊢
((1st ‘𝐿)‘𝑋) = ((1st ‘𝐿)‘𝑋) |
| 10 | 4, 5, 7, 2, 8, 9 | diag1cl 18209 |
. . . . . . . 8
⊢ (𝜑 → ((1st
‘𝐿)‘𝑋) ∈ (𝐷 Func 𝐶)) |
| 11 | 3, 10 | cofucl 17856 |
. . . . . . 7
⊢ (𝜑 → (((1st
‘𝐿)‘𝑋) ∘func
𝐹) ∈ (𝐸 Func 𝐶)) |
| 12 | 11 | func1st2nd 49055 |
. . . . . 6
⊢ (𝜑 → (1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹))(𝐸 Func 𝐶)(2nd ‘(((1st
‘𝐿)‘𝑋) ∘func
𝐹))) |
| 13 | 1, 2, 12 | funcf1 17834 |
. . . . 5
⊢ (𝜑 → (1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹)):(Base‘𝐸)⟶𝐵) |
| 14 | 13 | ffnd 6691 |
. . . 4
⊢ (𝜑 → (1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹)) Fn (Base‘𝐸)) |
| 15 | | prcofdiag.m |
. . . . . . . 8
⊢ 𝑀 = (𝐶Δfunc𝐸) |
| 16 | 6 | funcrcl2 49058 |
. . . . . . . 8
⊢ (𝜑 → 𝐸 ∈ Cat) |
| 17 | | eqid 2730 |
. . . . . . . 8
⊢
((1st ‘𝑀)‘𝑋) = ((1st ‘𝑀)‘𝑋) |
| 18 | 15, 5, 16, 2, 8, 17 | diag1cl 18209 |
. . . . . . 7
⊢ (𝜑 → ((1st
‘𝑀)‘𝑋) ∈ (𝐸 Func 𝐶)) |
| 19 | 18 | func1st2nd 49055 |
. . . . . 6
⊢ (𝜑 → (1st
‘((1st ‘𝑀)‘𝑋))(𝐸 Func 𝐶)(2nd ‘((1st
‘𝑀)‘𝑋))) |
| 20 | 1, 2, 19 | funcf1 17834 |
. . . . 5
⊢ (𝜑 → (1st
‘((1st ‘𝑀)‘𝑋)):(Base‘𝐸)⟶𝐵) |
| 21 | 20 | ffnd 6691 |
. . . 4
⊢ (𝜑 → (1st
‘((1st ‘𝑀)‘𝑋)) Fn (Base‘𝐸)) |
| 22 | 5 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → 𝐶 ∈ Cat) |
| 23 | 7 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → 𝐷 ∈ Cat) |
| 24 | 8 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → 𝑋 ∈ 𝐵) |
| 25 | | eqid 2730 |
. . . . . 6
⊢
(Base‘𝐷) =
(Base‘𝐷) |
| 26 | 1, 25, 6 | funcf1 17834 |
. . . . . . 7
⊢ (𝜑 → (1st
‘𝐹):(Base‘𝐸)⟶(Base‘𝐷)) |
| 27 | 26 | ffvelcdmda 7058 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → ((1st ‘𝐹)‘𝑥) ∈ (Base‘𝐷)) |
| 28 | 4, 22, 23, 2, 24, 9, 25, 27 | diag11 18210 |
. . . . 5
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → ((1st
‘((1st ‘𝐿)‘𝑋))‘((1st ‘𝐹)‘𝑥)) = 𝑋) |
| 29 | 3 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → 𝐹 ∈ (𝐸 Func 𝐷)) |
| 30 | 10 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → ((1st ‘𝐿)‘𝑋) ∈ (𝐷 Func 𝐶)) |
| 31 | | simpr 484 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → 𝑥 ∈ (Base‘𝐸)) |
| 32 | 1, 29, 30, 31 | cofu1 17852 |
. . . . 5
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → ((1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹))‘𝑥) = ((1st ‘((1st
‘𝐿)‘𝑋))‘((1st
‘𝐹)‘𝑥))) |
| 33 | 16 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → 𝐸 ∈ Cat) |
| 34 | 15, 22, 33, 2, 24, 17, 1, 31 | diag11 18210 |
. . . . 5
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → ((1st
‘((1st ‘𝑀)‘𝑋))‘𝑥) = 𝑋) |
| 35 | 28, 32, 34 | 3eqtr4d 2775 |
. . . 4
⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐸)) → ((1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹))‘𝑥) = ((1st ‘((1st
‘𝑀)‘𝑋))‘𝑥)) |
| 36 | 14, 21, 35 | eqfnfvd 7008 |
. . 3
⊢ (𝜑 → (1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹)) = (1st
‘((1st ‘𝑀)‘𝑋))) |
| 37 | 1, 12 | funcfn2 17837 |
. . . 4
⊢ (𝜑 → (2nd
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹)) Fn ((Base‘𝐸) × (Base‘𝐸))) |
| 38 | 1, 19 | funcfn2 17837 |
. . . 4
⊢ (𝜑 → (2nd
‘((1st ‘𝑀)‘𝑋)) Fn ((Base‘𝐸) × (Base‘𝐸))) |
| 39 | | eqid 2730 |
. . . . . . 7
⊢ (Hom
‘𝐸) = (Hom
‘𝐸) |
| 40 | | eqid 2730 |
. . . . . . 7
⊢ (Hom
‘𝐶) = (Hom
‘𝐶) |
| 41 | 12 | adantr 480 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → (1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹))(𝐸 Func 𝐶)(2nd ‘(((1st
‘𝐿)‘𝑋) ∘func
𝐹))) |
| 42 | | simprl 770 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → 𝑥 ∈ (Base‘𝐸)) |
| 43 | | simprr 772 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → 𝑦 ∈ (Base‘𝐸)) |
| 44 | 1, 39, 40, 41, 42, 43 | funcf2 17836 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → (𝑥(2nd ‘(((1st
‘𝐿)‘𝑋) ∘func
𝐹))𝑦):(𝑥(Hom ‘𝐸)𝑦)⟶(((1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹))‘𝑥)(Hom ‘𝐶)((1st ‘(((1st
‘𝐿)‘𝑋) ∘func
𝐹))‘𝑦))) |
| 45 | 44 | ffnd 6691 |
. . . . 5
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → (𝑥(2nd ‘(((1st
‘𝐿)‘𝑋) ∘func
𝐹))𝑦) Fn (𝑥(Hom ‘𝐸)𝑦)) |
| 46 | 19 | adantr 480 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → (1st
‘((1st ‘𝑀)‘𝑋))(𝐸 Func 𝐶)(2nd ‘((1st
‘𝑀)‘𝑋))) |
| 47 | 1, 39, 40, 46, 42, 43 | funcf2 17836 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → (𝑥(2nd ‘((1st
‘𝑀)‘𝑋))𝑦):(𝑥(Hom ‘𝐸)𝑦)⟶(((1st
‘((1st ‘𝑀)‘𝑋))‘𝑥)(Hom ‘𝐶)((1st ‘((1st
‘𝑀)‘𝑋))‘𝑦))) |
| 48 | 47 | ffnd 6691 |
. . . . 5
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → (𝑥(2nd ‘((1st
‘𝑀)‘𝑋))𝑦) Fn (𝑥(Hom ‘𝐸)𝑦)) |
| 49 | 5 | ad2antrr 726 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → 𝐶 ∈ Cat) |
| 50 | 7 | ad2antrr 726 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → 𝐷 ∈ Cat) |
| 51 | 8 | ad2antrr 726 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → 𝑋 ∈ 𝐵) |
| 52 | 6 | ad2antrr 726 |
. . . . . . . . 9
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → (1st ‘𝐹)(𝐸 Func 𝐷)(2nd ‘𝐹)) |
| 53 | 1, 25, 52 | funcf1 17834 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → (1st ‘𝐹):(Base‘𝐸)⟶(Base‘𝐷)) |
| 54 | 42 | adantr 480 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → 𝑥 ∈ (Base‘𝐸)) |
| 55 | 53, 54 | ffvelcdmd 7059 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → ((1st ‘𝐹)‘𝑥) ∈ (Base‘𝐷)) |
| 56 | | eqid 2730 |
. . . . . . 7
⊢ (Hom
‘𝐷) = (Hom
‘𝐷) |
| 57 | | eqid 2730 |
. . . . . . 7
⊢
(Id‘𝐶) =
(Id‘𝐶) |
| 58 | 43 | adantr 480 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → 𝑦 ∈ (Base‘𝐸)) |
| 59 | 53, 58 | ffvelcdmd 7059 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → ((1st ‘𝐹)‘𝑦) ∈ (Base‘𝐷)) |
| 60 | 1, 39, 56, 52, 54, 58 | funcf2 17836 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → (𝑥(2nd ‘𝐹)𝑦):(𝑥(Hom ‘𝐸)𝑦)⟶(((1st ‘𝐹)‘𝑥)(Hom ‘𝐷)((1st ‘𝐹)‘𝑦))) |
| 61 | | simpr 484 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) |
| 62 | 60, 61 | ffvelcdmd 7059 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → ((𝑥(2nd ‘𝐹)𝑦)‘𝑓) ∈ (((1st ‘𝐹)‘𝑥)(Hom ‘𝐷)((1st ‘𝐹)‘𝑦))) |
| 63 | 4, 49, 50, 2, 51, 9, 25, 55, 56, 57, 59, 62 | diag12 18211 |
. . . . . 6
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → ((((1st ‘𝐹)‘𝑥)(2nd ‘((1st
‘𝐿)‘𝑋))((1st ‘𝐹)‘𝑦))‘((𝑥(2nd ‘𝐹)𝑦)‘𝑓)) = ((Id‘𝐶)‘𝑋)) |
| 64 | 3 | ad2antrr 726 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → 𝐹 ∈ (𝐸 Func 𝐷)) |
| 65 | 10 | ad2antrr 726 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → ((1st ‘𝐿)‘𝑋) ∈ (𝐷 Func 𝐶)) |
| 66 | 1, 64, 65, 54, 58, 39, 61 | cofu2 17854 |
. . . . . 6
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → ((𝑥(2nd ‘(((1st
‘𝐿)‘𝑋) ∘func
𝐹))𝑦)‘𝑓) = ((((1st ‘𝐹)‘𝑥)(2nd ‘((1st
‘𝐿)‘𝑋))((1st ‘𝐹)‘𝑦))‘((𝑥(2nd ‘𝐹)𝑦)‘𝑓))) |
| 67 | 16 | ad2antrr 726 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → 𝐸 ∈ Cat) |
| 68 | 15, 49, 67, 2, 51, 17, 1, 54, 39, 57, 58, 61 | diag12 18211 |
. . . . . 6
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → ((𝑥(2nd ‘((1st
‘𝑀)‘𝑋))𝑦)‘𝑓) = ((Id‘𝐶)‘𝑋)) |
| 69 | 63, 66, 68 | 3eqtr4d 2775 |
. . . . 5
⊢ (((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) ∧ 𝑓 ∈ (𝑥(Hom ‘𝐸)𝑦)) → ((𝑥(2nd ‘(((1st
‘𝐿)‘𝑋) ∘func
𝐹))𝑦)‘𝑓) = ((𝑥(2nd ‘((1st
‘𝑀)‘𝑋))𝑦)‘𝑓)) |
| 70 | 45, 48, 69 | eqfnfvd 7008 |
. . . 4
⊢ ((𝜑 ∧ (𝑥 ∈ (Base‘𝐸) ∧ 𝑦 ∈ (Base‘𝐸))) → (𝑥(2nd ‘(((1st
‘𝐿)‘𝑋) ∘func
𝐹))𝑦) = (𝑥(2nd ‘((1st
‘𝑀)‘𝑋))𝑦)) |
| 71 | 37, 38, 70 | eqfnovd 48844 |
. . 3
⊢ (𝜑 → (2nd
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹)) = (2nd
‘((1st ‘𝑀)‘𝑋))) |
| 72 | 36, 71 | opeq12d 4847 |
. 2
⊢ (𝜑 → 〈(1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹)), (2nd
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹))〉 = 〈(1st
‘((1st ‘𝑀)‘𝑋)), (2nd ‘((1st
‘𝑀)‘𝑋))〉) |
| 73 | | relfunc 17830 |
. . 3
⊢ Rel
(𝐸 Func 𝐶) |
| 74 | | 1st2nd 8020 |
. . 3
⊢ ((Rel
(𝐸 Func 𝐶) ∧ (((1st ‘𝐿)‘𝑋) ∘func 𝐹) ∈ (𝐸 Func 𝐶)) → (((1st ‘𝐿)‘𝑋) ∘func 𝐹) = 〈(1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹)), (2nd
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹))〉) |
| 75 | 73, 11, 74 | sylancr 587 |
. 2
⊢ (𝜑 → (((1st
‘𝐿)‘𝑋) ∘func
𝐹) = 〈(1st
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹)), (2nd
‘(((1st ‘𝐿)‘𝑋) ∘func 𝐹))〉) |
| 76 | | 1st2nd 8020 |
. . 3
⊢ ((Rel
(𝐸 Func 𝐶) ∧ ((1st ‘𝑀)‘𝑋) ∈ (𝐸 Func 𝐶)) → ((1st ‘𝑀)‘𝑋) = 〈(1st
‘((1st ‘𝑀)‘𝑋)), (2nd ‘((1st
‘𝑀)‘𝑋))〉) |
| 77 | 73, 18, 76 | sylancr 587 |
. 2
⊢ (𝜑 → ((1st
‘𝑀)‘𝑋) = 〈(1st
‘((1st ‘𝑀)‘𝑋)), (2nd ‘((1st
‘𝑀)‘𝑋))〉) |
| 78 | 72, 75, 77 | 3eqtr4d 2775 |
1
⊢ (𝜑 → (((1st
‘𝐿)‘𝑋) ∘func
𝐹) = ((1st
‘𝑀)‘𝑋)) |