---
title: Set
TARGET DECK: Obsidian::STEM
FILE TAGS: set
tags:
  - set
---

## Overview

%%ANKI
Basic
How does Knuth define a *dynamic* set?
Back: As a set that can change over time.
Reference: Thomas H. Cormen et al., Introduction to Algorithms, Fourth edition (Cambridge, Massachusett: The MIT Press, 2022).
Tags: adt::dynamic_set
<!--ID: 1715432070055-->
END%%

%%ANKI
Basic
How does Knuth distinguish mathematical sets from dynamic sets?
Back: The former is assumed to be unchanging.
Reference: Thomas H. Cormen et al., Introduction to Algorithms, Fourth edition (Cambridge, Massachusett: The MIT Press, 2022).
Tags: adt::dynamic_set
<!--ID: 1715432070059-->
END%%

%%ANKI
Basic
How does Knuth define a dictionary?
Back: As a dynamic set that allows insertions, deletions, and membership tests.
Reference: Thomas H. Cormen et al., Introduction to Algorithms, Fourth edition (Cambridge, Massachusett: The MIT Press, 2022).
Tags: adt::dynamic_set
<!--ID: 1715432070063-->
END%%

%%ANKI
Basic
Which of dynamic sets and dictionaries are more general?
Back: The dynamic set.
Reference: Thomas H. Cormen et al., Introduction to Algorithms, Fourth edition (Cambridge, Massachusett: The MIT Press, 2022).
Tags: adt::dynamic_set
<!--ID: 1715432070067-->
END%%

%%ANKI
Basic
Is a dynamic set a dictionary?
Back: Not necessarily.
Reference: Thomas H. Cormen et al., Introduction to Algorithms, Fourth edition (Cambridge, Massachusett: The MIT Press, 2022).
Tags: adt::dynamic_set
<!--ID: 1715432070071-->
END%%

%%ANKI
Basic
Is a dictionary a dynamic set?
Back: Yes.
Reference: Thomas H. Cormen et al., Introduction to Algorithms, Fourth edition (Cambridge, Massachusett: The MIT Press, 2022).
Tags: adt::dynamic_set
<!--ID: 1715432070077-->
END%%

%%ANKI
Cloze
A dictionary supports {insertions}, {deletions}, and {membership testing}.
Reference: Thomas H. Cormen et al., Introduction to Algorithms, Fourth edition (Cambridge, Massachusett: The MIT Press, 2022).
Tags: adt::dynamic_set
<!--ID: 1715432070083-->
END%%

## Bibliography

* Thomas H. Cormen et al., Introduction to Algorithms, Fourth edition (Cambridge, Massachusett: The MIT Press, 2022).