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Theorem curfval 18112
Description: Value of the curry functor. (Contributed by Mario Carneiro, 12-Jan-2017.)
Hypotheses
Ref Expression
curfval.g 𝐺 = (⟨𝐶, 𝐷⟩ curryF 𝐹)
curfval.a 𝐴 = (Base‘𝐶)
curfval.c (𝜑𝐶 ∈ Cat)
curfval.d (𝜑𝐷 ∈ Cat)
curfval.f (𝜑𝐹 ∈ ((𝐶 ×c 𝐷) Func 𝐸))
curfval.b 𝐵 = (Base‘𝐷)
curfval.j 𝐽 = (Hom ‘𝐷)
curfval.1 1 = (Id‘𝐶)
curfval.h 𝐻 = (Hom ‘𝐶)
curfval.i 𝐼 = (Id‘𝐷)
Assertion
Ref Expression
curfval (𝜑𝐺 = ⟨(𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))⟩)
Distinct variable groups:   𝑥,𝑔,𝑦,𝑧, 1   𝑥,𝐴,𝑦   𝐵,𝑔,𝑥,𝑦,𝑧   𝐶,𝑔,𝑥,𝑦,𝑧   𝐷,𝑔,𝑥,𝑦,𝑧   𝑔,𝐻,𝑦,𝑧   𝜑,𝑔,𝑥,𝑦,𝑧   𝑔,𝐸,𝑦,𝑧   𝑔,𝐽,𝑥   𝑔,𝐹,𝑥,𝑦,𝑧
Allowed substitution hints:   𝐴(𝑧,𝑔)   𝐸(𝑥)   𝐺(𝑥,𝑦,𝑧,𝑔)   𝐻(𝑥)   𝐼(𝑥,𝑦,𝑧,𝑔)   𝐽(𝑦,𝑧)

Proof of Theorem curfval
Dummy variables 𝑐 𝑑 𝑒 𝑓 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 curfval.g . 2 𝐺 = (⟨𝐶, 𝐷⟩ curryF 𝐹)
2 df-curf 18103 . . . 4 curryF = (𝑒 ∈ V, 𝑓 ∈ V ↦ (1st𝑒) / 𝑐(2nd𝑒) / 𝑑⟨(𝑥 ∈ (Base‘𝑐) ↦ ⟨(𝑦 ∈ (Base‘𝑑) ↦ (𝑥(1st𝑓)𝑦)), (𝑦 ∈ (Base‘𝑑), 𝑧 ∈ (Base‘𝑑) ↦ (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥 ∈ (Base‘𝑐), 𝑦 ∈ (Base‘𝑐) ↦ (𝑔 ∈ (𝑥(Hom ‘𝑐)𝑦) ↦ (𝑧 ∈ (Base‘𝑑) ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧)))))⟩)
32a1i 11 . . 3 (𝜑 → curryF = (𝑒 ∈ V, 𝑓 ∈ V ↦ (1st𝑒) / 𝑐(2nd𝑒) / 𝑑⟨(𝑥 ∈ (Base‘𝑐) ↦ ⟨(𝑦 ∈ (Base‘𝑑) ↦ (𝑥(1st𝑓)𝑦)), (𝑦 ∈ (Base‘𝑑), 𝑧 ∈ (Base‘𝑑) ↦ (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥 ∈ (Base‘𝑐), 𝑦 ∈ (Base‘𝑐) ↦ (𝑔 ∈ (𝑥(Hom ‘𝑐)𝑦) ↦ (𝑧 ∈ (Base‘𝑑) ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧)))))⟩))
4 fvexd 6857 . . . 4 ((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) → (1st𝑒) ∈ V)
5 simprl 769 . . . . . 6 ((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) → 𝑒 = ⟨𝐶, 𝐷⟩)
65fveq2d 6846 . . . . 5 ((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) → (1st𝑒) = (1st ‘⟨𝐶, 𝐷⟩))
7 curfval.c . . . . . . 7 (𝜑𝐶 ∈ Cat)
8 curfval.d . . . . . . 7 (𝜑𝐷 ∈ Cat)
9 op1stg 7933 . . . . . . 7 ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (1st ‘⟨𝐶, 𝐷⟩) = 𝐶)
107, 8, 9syl2anc 584 . . . . . 6 (𝜑 → (1st ‘⟨𝐶, 𝐷⟩) = 𝐶)
1110adantr 481 . . . . 5 ((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) → (1st ‘⟨𝐶, 𝐷⟩) = 𝐶)
126, 11eqtrd 2776 . . . 4 ((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) → (1st𝑒) = 𝐶)
13 fvexd 6857 . . . . 5 (((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) → (2nd𝑒) ∈ V)
145adantr 481 . . . . . . 7 (((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) → 𝑒 = ⟨𝐶, 𝐷⟩)
1514fveq2d 6846 . . . . . 6 (((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) → (2nd𝑒) = (2nd ‘⟨𝐶, 𝐷⟩))
16 op2ndg 7934 . . . . . . . 8 ((𝐶 ∈ Cat ∧ 𝐷 ∈ Cat) → (2nd ‘⟨𝐶, 𝐷⟩) = 𝐷)
177, 8, 16syl2anc 584 . . . . . . 7 (𝜑 → (2nd ‘⟨𝐶, 𝐷⟩) = 𝐷)
1817ad2antrr 724 . . . . . 6 (((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) → (2nd ‘⟨𝐶, 𝐷⟩) = 𝐷)
1915, 18eqtrd 2776 . . . . 5 (((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) → (2nd𝑒) = 𝐷)
20 simplr 767 . . . . . . . . 9 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → 𝑐 = 𝐶)
2120fveq2d 6846 . . . . . . . 8 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Base‘𝑐) = (Base‘𝐶))
22 curfval.a . . . . . . . 8 𝐴 = (Base‘𝐶)
2321, 22eqtr4di 2794 . . . . . . 7 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Base‘𝑐) = 𝐴)
24 simpr 485 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → 𝑑 = 𝐷)
2524fveq2d 6846 . . . . . . . . . 10 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Base‘𝑑) = (Base‘𝐷))
26 curfval.b . . . . . . . . . 10 𝐵 = (Base‘𝐷)
2725, 26eqtr4di 2794 . . . . . . . . 9 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Base‘𝑑) = 𝐵)
28 simprr 771 . . . . . . . . . . . 12 ((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) → 𝑓 = 𝐹)
2928ad2antrr 724 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → 𝑓 = 𝐹)
3029fveq2d 6846 . . . . . . . . . 10 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (1st𝑓) = (1st𝐹))
3130oveqd 7374 . . . . . . . . 9 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑥(1st𝑓)𝑦) = (𝑥(1st𝐹)𝑦))
3227, 31mpteq12dv 5196 . . . . . . . 8 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑦 ∈ (Base‘𝑑) ↦ (𝑥(1st𝑓)𝑦)) = (𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)))
3324fveq2d 6846 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Hom ‘𝑑) = (Hom ‘𝐷))
34 curfval.j . . . . . . . . . . . 12 𝐽 = (Hom ‘𝐷)
3533, 34eqtr4di 2794 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Hom ‘𝑑) = 𝐽)
3635oveqd 7374 . . . . . . . . . 10 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑦(Hom ‘𝑑)𝑧) = (𝑦𝐽𝑧))
3729fveq2d 6846 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (2nd𝑓) = (2nd𝐹))
3837oveqd 7374 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩) = (⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩))
3920fveq2d 6846 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Id‘𝑐) = (Id‘𝐶))
40 curfval.1 . . . . . . . . . . . . 13 1 = (Id‘𝐶)
4139, 40eqtr4di 2794 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Id‘𝑐) = 1 )
4241fveq1d 6844 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → ((Id‘𝑐)‘𝑥) = ( 1𝑥))
43 eqidd 2737 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → 𝑔 = 𝑔)
4438, 42, 43oveq123d 7378 . . . . . . . . . 10 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔) = (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔))
4536, 44mpteq12dv 5196 . . . . . . . . 9 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔)) = (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))
4627, 27, 45mpoeq123dv 7432 . . . . . . . 8 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑦 ∈ (Base‘𝑑), 𝑧 ∈ (Base‘𝑑) ↦ (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔))) = (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔))))
4732, 46opeq12d 4838 . . . . . . 7 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → ⟨(𝑦 ∈ (Base‘𝑑) ↦ (𝑥(1st𝑓)𝑦)), (𝑦 ∈ (Base‘𝑑), 𝑧 ∈ (Base‘𝑑) ↦ (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔)))⟩ = ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩)
4823, 47mpteq12dv 5196 . . . . . 6 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑥 ∈ (Base‘𝑐) ↦ ⟨(𝑦 ∈ (Base‘𝑑) ↦ (𝑥(1st𝑓)𝑦)), (𝑦 ∈ (Base‘𝑑), 𝑧 ∈ (Base‘𝑑) ↦ (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔)))⟩) = (𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩))
4920fveq2d 6846 . . . . . . . . . 10 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Hom ‘𝑐) = (Hom ‘𝐶))
50 curfval.h . . . . . . . . . 10 𝐻 = (Hom ‘𝐶)
5149, 50eqtr4di 2794 . . . . . . . . 9 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Hom ‘𝑐) = 𝐻)
5251oveqd 7374 . . . . . . . 8 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑥(Hom ‘𝑐)𝑦) = (𝑥𝐻𝑦))
5337oveqd 7374 . . . . . . . . . 10 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩) = (⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩))
5424fveq2d 6846 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Id‘𝑑) = (Id‘𝐷))
55 curfval.i . . . . . . . . . . . 12 𝐼 = (Id‘𝐷)
5654, 55eqtr4di 2794 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (Id‘𝑑) = 𝐼)
5756fveq1d 6844 . . . . . . . . . 10 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → ((Id‘𝑑)‘𝑧) = (𝐼𝑧))
5853, 43, 57oveq123d 7378 . . . . . . . . 9 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧)) = (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))
5927, 58mpteq12dv 5196 . . . . . . . 8 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑧 ∈ (Base‘𝑑) ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧))) = (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧))))
6052, 59mpteq12dv 5196 . . . . . . 7 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑔 ∈ (𝑥(Hom ‘𝑐)𝑦) ↦ (𝑧 ∈ (Base‘𝑑) ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧)))) = (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))
6123, 23, 60mpoeq123dv 7432 . . . . . 6 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → (𝑥 ∈ (Base‘𝑐), 𝑦 ∈ (Base‘𝑐) ↦ (𝑔 ∈ (𝑥(Hom ‘𝑐)𝑦) ↦ (𝑧 ∈ (Base‘𝑑) ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧))))) = (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧))))))
6248, 61opeq12d 4838 . . . . 5 ((((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) ∧ 𝑑 = 𝐷) → ⟨(𝑥 ∈ (Base‘𝑐) ↦ ⟨(𝑦 ∈ (Base‘𝑑) ↦ (𝑥(1st𝑓)𝑦)), (𝑦 ∈ (Base‘𝑑), 𝑧 ∈ (Base‘𝑑) ↦ (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥 ∈ (Base‘𝑐), 𝑦 ∈ (Base‘𝑐) ↦ (𝑔 ∈ (𝑥(Hom ‘𝑐)𝑦) ↦ (𝑧 ∈ (Base‘𝑑) ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧)))))⟩ = ⟨(𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))⟩)
6313, 19, 62csbied2 3895 . . . 4 (((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) ∧ 𝑐 = 𝐶) → (2nd𝑒) / 𝑑⟨(𝑥 ∈ (Base‘𝑐) ↦ ⟨(𝑦 ∈ (Base‘𝑑) ↦ (𝑥(1st𝑓)𝑦)), (𝑦 ∈ (Base‘𝑑), 𝑧 ∈ (Base‘𝑑) ↦ (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥 ∈ (Base‘𝑐), 𝑦 ∈ (Base‘𝑐) ↦ (𝑔 ∈ (𝑥(Hom ‘𝑐)𝑦) ↦ (𝑧 ∈ (Base‘𝑑) ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧)))))⟩ = ⟨(𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))⟩)
644, 12, 63csbied2 3895 . . 3 ((𝜑 ∧ (𝑒 = ⟨𝐶, 𝐷⟩ ∧ 𝑓 = 𝐹)) → (1st𝑒) / 𝑐(2nd𝑒) / 𝑑⟨(𝑥 ∈ (Base‘𝑐) ↦ ⟨(𝑦 ∈ (Base‘𝑑) ↦ (𝑥(1st𝑓)𝑦)), (𝑦 ∈ (Base‘𝑑), 𝑧 ∈ (Base‘𝑑) ↦ (𝑔 ∈ (𝑦(Hom ‘𝑑)𝑧) ↦ (((Id‘𝑐)‘𝑥)(⟨𝑥, 𝑦⟩(2nd𝑓)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥 ∈ (Base‘𝑐), 𝑦 ∈ (Base‘𝑐) ↦ (𝑔 ∈ (𝑥(Hom ‘𝑐)𝑦) ↦ (𝑧 ∈ (Base‘𝑑) ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝑓)⟨𝑦, 𝑧⟩)((Id‘𝑑)‘𝑧)))))⟩ = ⟨(𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))⟩)
65 opex 5421 . . . 4 𝐶, 𝐷⟩ ∈ V
6665a1i 11 . . 3 (𝜑 → ⟨𝐶, 𝐷⟩ ∈ V)
67 curfval.f . . . 4 (𝜑𝐹 ∈ ((𝐶 ×c 𝐷) Func 𝐸))
6867elexd 3465 . . 3 (𝜑𝐹 ∈ V)
69 opex 5421 . . . 4 ⟨(𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))⟩ ∈ V
7069a1i 11 . . 3 (𝜑 → ⟨(𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))⟩ ∈ V)
713, 64, 66, 68, 70ovmpod 7507 . 2 (𝜑 → (⟨𝐶, 𝐷⟩ curryF 𝐹) = ⟨(𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))⟩)
721, 71eqtrid 2788 1 (𝜑𝐺 = ⟨(𝑥𝐴 ↦ ⟨(𝑦𝐵 ↦ (𝑥(1st𝐹)𝑦)), (𝑦𝐵, 𝑧𝐵 ↦ (𝑔 ∈ (𝑦𝐽𝑧) ↦ (( 1𝑥)(⟨𝑥, 𝑦⟩(2nd𝐹)⟨𝑥, 𝑧⟩)𝑔)))⟩), (𝑥𝐴, 𝑦𝐴 ↦ (𝑔 ∈ (𝑥𝐻𝑦) ↦ (𝑧𝐵 ↦ (𝑔(⟨𝑥, 𝑧⟩(2nd𝐹)⟨𝑦, 𝑧⟩)(𝐼𝑧)))))⟩)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396   = wceq 1541  wcel 2106  Vcvv 3445  csb 3855  cop 4592  cmpt 5188  cfv 6496  (class class class)co 7357  cmpo 7359  1st c1st 7919  2nd c2nd 7920  Basecbs 17083  Hom chom 17144  Catccat 17544  Idccid 17545   Func cfunc 17740   ×c cxpc 18056   curryF ccurf 18099
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  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 2707  ax-sep 5256  ax-nul 5263  ax-pr 5384  ax-un 7672
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2889  df-ne 2944  df-ral 3065  df-rex 3074  df-rab 3408  df-v 3447  df-sbc 3740  df-csb 3856  df-dif 3913  df-un 3915  df-in 3917  df-ss 3927  df-nul 4283  df-if 4487  df-sn 4587  df-pr 4589  df-op 4593  df-uni 4866  df-br 5106  df-opab 5168  df-mpt 5189  df-id 5531  df-xp 5639  df-rel 5640  df-cnv 5641  df-co 5642  df-dm 5643  df-rn 5644  df-iota 6448  df-fun 6498  df-fv 6504  df-ov 7360  df-oprab 7361  df-mpo 7362  df-1st 7921  df-2nd 7922  df-curf 18103
This theorem is referenced by:  curf1fval  18113  curf2  18118  curfcl  18121  curfpropd  18122  curfuncf  18127
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