[Agda] Recursive Sets / refine vs. load

Brandon Moore brandon_m_moore at yahoo.com
Sat Mar 24 18:12:05 CET 2012

The following definition looks reasonable to me,
the type of the hole is reported as ℕ → Set,
and refine/give accepts what I've written there,
but then typechecking the file fails, saying
t true !=< ℕ of type Set

module test where

open import Data.Nat
open import Data.Bool
open import Data.Product
open import Data.Vec

t : Bool → Set
t true = ℕ
t false = Σ (t true) {!Vec Bool!}

Why isn't this definition accepted?

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