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theory Trans | |
imports Main | |
begin | |
(* "Lectures on the Curry-Howard Isomorphism" Lemma 1.4.2 *) | |
inductive star :: "( 'a ⇒ 'a ⇒ bool) ⇒ 'a ⇒ 'a ⇒ bool" for r where | |
lift: "r x y ⟹ star r x y" | | |
trans: "star r x y ⟹ star r y z ⟹ star r x z" | |
inductive trans_list :: "( 'a ⇒ 'a ⇒ bool) ⇒ 'a list ⇒ bool" for r where |
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// Use Gists to store code you would like to remember later on | |
console.log(window); // log the "window" object to the console |
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module Main where | |
-- http://www.f13g.com/%A5%D7%A5%ED%A5%B0%A5%E9%A5%DF%A5%F3%A5%B0/Haskell/GLUT/#content_1_4 | |
import Graphics.Gloss | |
import Graphics.Gloss.Interface.Pure.Game | |
data State | |
= State { angle :: Float | |
, isPositive :: Bool |