Step
*
of Lemma
poly-choice-eta-1
∀f:Base. ((∀x,y:Base. ((f x y) = y ∈ Base))
⇒ (f ~ λx,y. y))
BY
{ (UnivCD THENA Auto) }
1
1. f : Base
2. ∀x,y:Base. ((f x y) = y ∈ Base)
⊢ f ~ λx,y. y
Latex:
Latex:
\mforall{}f:Base. ((\mforall{}x,y:Base. ((f x y) = y)) {}\mRightarrow{} (f \msim{} \mlambda{}x,y. y))
By
Latex:
(UnivCD THENA Auto)
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