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Definition df-uncf 18303
Description: Define the uncurry functor, which can be defined equationally using evalF. Strictly speaking, the third category argument is not needed, since the resulting functor is extensionally equal regardless, but it is used in the equational definition and is too much work to remove. (Contributed by Mario Carneiro, 13-Jan-2017.)
Assertion
Ref Expression
df-uncf uncurryF = (𝑐 ∈ V, 𝑓 ∈ V ↦ (((𝑐‘1) evalF (𝑐‘2)) ∘func ((𝑓func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))))
Distinct variable group:   𝑓,𝑐

Detailed syntax breakdown of Definition df-uncf
StepHypRef Expression
1 cuncf 18299 . 2 class uncurryF
2 vc . . 3 setvar 𝑐
3 vf . . 3 setvar 𝑓
4 cvv 3450 . . 3 class V
5 c1 11125 . . . . . 6 class 1
62cv 1569 . . . . . 6 class 𝑐
75, 6cfv 6533 . . . . 5 class (𝑐‘1)
8 c2 12319 . . . . . 6 class 2
98, 6cfv 6533 . . . . 5 class (𝑐‘2)
10 cevlf 18297 . . . . 5 class evalF
117, 9, 10co 7413 . . . 4 class ((𝑐‘1) evalF (𝑐‘2))
123cv 1569 . . . . . 6 class 𝑓
13 cc0 11124 . . . . . . . 8 class 0
1413, 6cfv 6533 . . . . . . 7 class (𝑐‘0)
15 c1stf 18257 . . . . . . 7 class 1stF
1614, 7, 15co 7413 . . . . . 6 class ((𝑐‘0) 1stF (𝑐‘1))
17 ccofu 17945 . . . . . 6 class func
1812, 16, 17co 7413 . . . . 5 class (𝑓func ((𝑐‘0) 1stF (𝑐‘1)))
19 c2ndf 18258 . . . . . 6 class 2ndF
2014, 7, 19co 7413 . . . . 5 class ((𝑐‘0) 2ndF (𝑐‘1))
21 cprf 18259 . . . . 5 class ⟨,⟩F
2218, 20, 21co 7413 . . . 4 class ((𝑓func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))
2311, 22, 17co 7413 . . 3 class (((𝑐‘1) evalF (𝑐‘2)) ∘func ((𝑓func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1))))
242, 3, 4, 4, 23cmpo 7415 . 2 class (𝑐 ∈ V, 𝑓 ∈ V ↦ (((𝑐‘1) evalF (𝑐‘2)) ∘func ((𝑓func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))))
251, 24wceq 1570 1 wff uncurryF = (𝑐 ∈ V, 𝑓 ∈ V ↦ (((𝑐‘1) evalF (𝑐‘2)) ∘func ((𝑓func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))))
Colors of variables:    wff setvar class
This definition is used by:  uncfval  18322
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