The Unit Type

Table of Contents

1 Unit

module Lib.Data.Unit where

This file defines the unit type, i.e., the type that is inhabited by a unique element (often named star). As it is an inductive type, it also comes equiped with an induction principle.

1.1 Definition

data Unit : U = star

1.2 Induction principle

ind-Unit (P : Unit  U) (p : P star) : (x : Unit)  P x = split
  star  p

Author: Johann Rosain

Created: 2024-07-23 Tue 13:52

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