Mercurial > hg > Members > atton > agda > systemT

view systemT.agda @ 9:8ad92d830679

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Proof left-mult-distr-one. but has yellow
author Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
date Thu, 22 May 2014 21:53:48 +0900
parents 7138e79615b3
children
line wrap: on
line source

module systemT where

data Bool : Set where
  T : Bool
  F : Bool

data Int : Set where
  O : Int
  S : Int -> Int

R : {U : Set} -> U -> (U -> (Int -> U)) -> Int -> U
R u v O = u
R u v (S t) = v (R u v t) t

D : {U : Set} -> U -> U -> Bool -> U
D u v F = v
D u v T = u