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Definition df-uncf 18182
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 18178 . 2 class uncurryF
2 vc . . 3 setvar 𝑐
3 vf . . 3 setvar 𝑓
4 cvv 3455 . . 3 class V
5 c1 11087 . . . . . 6 class 1
62cv 1539 . . . . . 6 class 𝑐
75, 6cfv 6519 . . . . 5 class (𝑐‘1)
8 c2 12252 . . . . . 6 class 2
98, 6cfv 6519 . . . . 5 class (𝑐‘2)
10 cevlf 18176 . . . . 5 class evalF
117, 9, 10co 7394 . . . 4 class ((𝑐‘1) evalF (𝑐‘2))
123cv 1539 . . . . . 6 class 𝑓
13 cc0 11086 . . . . . . . 8 class 0
1413, 6cfv 6519 . . . . . . 7 class (𝑐‘0)
15 c1stf 18136 . . . . . . 7 class 1stF
1614, 7, 15co 7394 . . . . . 6 class ((𝑐‘0) 1stF (𝑐‘1))
17 ccofu 17824 . . . . . 6 class func
1812, 16, 17co 7394 . . . . 5 class (𝑓func ((𝑐‘0) 1stF (𝑐‘1)))
19 c2ndf 18137 . . . . . 6 class 2ndF
2014, 7, 19co 7394 . . . . 5 class ((𝑐‘0) 2ndF (𝑐‘1))
21 cprf 18138 . . . . 5 class ⟨,⟩F
2218, 20, 21co 7394 . . . 4 class ((𝑓func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))
2311, 22, 17co 7394 . . 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 7396 . 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 1540 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  18201
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