MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  df-uncf Structured version   Visualization version   GIF version

Definition df-uncf 18382
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 ((𝑓 ∘func ((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 18378 . 2 class uncurryF
2 vc . . 3 setvar 𝑐
3 vf . . 3 setvar 𝑓
4 cvv 3451 . . 3 class V
5 c1 11194 . . . . . 6 class 1
62cv 1569 . . . . . 6 class 𝑐
75, 6cfv 6537 . . . . 5 class (𝑐‘1)
8 c2 12390 . . . . . 6 class 2
98, 6cfv 6537 . . . . 5 class (𝑐‘2)
10 cevlf 18376 . . . . 5 class evalF
117, 9, 10co 7418 . . . 4 class ((𝑐‘1) evalF (𝑐‘2))
123cv 1569 . . . . . 6 class 𝑓
13 cc0 11193 . . . . . . . 8 class 0
1413, 6cfv 6537 . . . . . . 7 class (𝑐‘0)
15 c1stf 18336 . . . . . . 7 class 1stF
1614, 7, 15co 7418 . . . . . 6 class ((𝑐‘0) 1stF (𝑐‘1))
17 ccofu 18024 . . . . . 6 class ∘func
1812, 16, 17co 7418 . . . . 5 class (𝑓 ∘func ((𝑐‘0) 1stF (𝑐‘1)))
19 c2ndf 18337 . . . . . 6 class 2ndF
2014, 7, 19co 7418 . . . . 5 class ((𝑐‘0) 2ndF (𝑐‘1))
21 cprf 18338 . . . . 5 class ⟨,⟩F
2218, 20, 21co 7418 . . . 4 class ((𝑓 ∘func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))
2311, 22, 17co 7418 . . 3 class (((𝑐‘1) evalF (𝑐‘2)) ∘func ((𝑓 ∘func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1))))
242, 3, 4, 4, 23cmpo 7420 . 2 class (𝑐 ∈ V, 𝑓 ∈ V ↦ (((𝑐‘1) evalF (𝑐‘2)) ∘func ((𝑓 ∘func ((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 ((𝑓 ∘func ((𝑐‘0) 1stF (𝑐‘1))) ⟨,⟩F ((𝑐‘0) 2ndF (𝑐‘1)))))
Colors of variables:    wff setvar class
This definition is used by:  uncfval  18401
  Copyright terms: Public domain W3C validator