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Definition df-uncf 18272
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 18268 . 2 class uncurryF
2 vc . . 3 setvar 𝑐
3 vf . . 3 setvar 𝑓
4 cvv 3455 . . 3 class V
5 c1 11102 . . . . . 6 class 1
62cv 1569 . . . . . 6 class 𝑐
75, 6cfv 6538 . . . . 5 class (𝑐‘1)
8 c2 12296 . . . . . 6 class 2
98, 6cfv 6538 . . . . 5 class (𝑐‘2)
10 cevlf 18266 . . . . 5 class evalF
117, 9, 10co 7412 . . . 4 class ((𝑐‘1) evalF (𝑐‘2))
123cv 1569 . . . . . 6 class 𝑓
13 cc0 11101 . . . . . . . 8 class 0
1413, 6cfv 6538 . . . . . . 7 class (𝑐‘0)
15 c1stf 18226 . . . . . . 7 class 1stF
1614, 7, 15co 7412 . . . . . 6 class ((𝑐‘0) 1stF (𝑐‘1))
17 ccofu 17914 . . . . . 6 class func
1812, 16, 17co 7412 . . . . 5 class (𝑓func ((𝑐‘0) 1stF (𝑐‘1)))
19 c2ndf 18227 . . . . . 6 class 2ndF
2014, 7, 19co 7412 . . . . 5 class ((𝑐‘0) 2ndF (𝑐‘1))
21 cprf 18228 . . . . 5 class ⟨,⟩F
2218, 20, 21co 7412 . . . 4 class ((𝑓func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))
2311, 22, 17co 7412 . . 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 7414 . 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 referenced by:  uncfval  18291
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