Complement of a Set in Set Theory

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

¿Cuál es el complemento del conjunto universal U?

  • Un conjunto vacío que no contiene elementos de U
  • El conjunto vacío ∅ (correct)
  • El conjunto U mismo
  • Un conjunto que contiene todos los elementos de U

¿Cuál es la propiedad del complemento de un conjunto A?

  • (A')' = A (correct)
  • A' ∪ A = ∅
  • A' ∩ A = U
  • A' = A

¿Cuál es la relación entre el complemento de la unión de dos conjuntos y el complemento de la intersección de los mismos conjuntos?

  • (A ∪ B)' = A' ∩ B' (correct)
  • (A ∩ B)' = A' ∩ B'
  • (A ∩ B)' = A' ∪ B'
  • (A ∪ B)' = A' ∪ B'

¿Cuál es el resultado de encontrar el complemento del conjunto A = {1, 2, 3} en el conjunto universal U = {1, 2, 3, 4, 5, 6}?

<p>{4, 5, 6} (D)</p> Signup and view all the answers

¿Cuál es la relación entre el complemento de la intersección de dos conjuntos y el complemento de la unión de los mismos conjuntos?

<p>(A ∩ B)' = A' ∪ B' (C)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Study Notes

Complement of a Set

Definition

The complement of a set A, denoted as A' or Ac, is the set of all elements in the universal set U that are not in A.

Properties

  • The complement of the universal set U is the empty set ∅.
  • The complement of the empty set ∅ is the universal set U.
  • For any set A, (A')' = A (double complement law).
  • For any sets A and B, (A ∪ B)' = A' ∩ B'.

Operations

  • De Morgan's laws:
    • (A ∪ B)' = A' ∩ B'
    • (A ∩ B)' = A' ∪ B'
  • The complement of the union of two sets is the intersection of their complements.
  • The complement of the intersection of two sets is the union of their complements.

Examples

  • If the universal set U = {1, 2, 3, 4, 5, 6} and A = {1, 2, 3}, then A' = {4, 5, 6}.
  • If the universal set U = {a, b, c, d, e} and B = {a, c, e}, then B' = {b, d}.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

More Like This

Coin Toss Probability Quiz
9 questions

Coin Toss Probability Quiz

BestPerformingDune avatar
BestPerformingDune
Set Theory and Combinatorics Quiz
5 questions
Principio de adición
10 questions

Principio de adición

RemarkableHarmonica avatar
RemarkableHarmonica
Use Quizgecko on...
Browser
Browser