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Definition df-uncf 18150
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 18146 . 2 class uncurryF
2 vc . . 3 setvar 𝑐
3 vf . . 3 setvar 𝑓
4 cvv 3442 . . 3 class V
5 c1 11039 . . . . . 6 class 1
62cv 1541 . . . . . 6 class 𝑐
75, 6cfv 6500 . . . . 5 class (𝑐‘1)
8 c2 12212 . . . . . 6 class 2
98, 6cfv 6500 . . . . 5 class (𝑐‘2)
10 cevlf 18144 . . . . 5 class evalF
117, 9, 10co 7368 . . . 4 class ((𝑐‘1) evalF (𝑐‘2))
123cv 1541 . . . . . 6 class 𝑓
13 cc0 11038 . . . . . . . 8 class 0
1413, 6cfv 6500 . . . . . . 7 class (𝑐‘0)
15 c1stf 18104 . . . . . . 7 class 1stF
1614, 7, 15co 7368 . . . . . 6 class ((𝑐‘0) 1stF (𝑐‘1))
17 ccofu 17792 . . . . . 6 class func
1812, 16, 17co 7368 . . . . 5 class (𝑓func ((𝑐‘0) 1stF (𝑐‘1)))
19 c2ndf 18105 . . . . . 6 class 2ndF
2014, 7, 19co 7368 . . . . 5 class ((𝑐‘0) 2ndF (𝑐‘1))
21 cprf 18106 . . . . 5 class ⟨,⟩F
2218, 20, 21co 7368 . . . 4 class ((𝑓func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))
2311, 22, 17co 7368 . . 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 7370 . 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 1542 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  18169
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