Conjuntos

Conjuntos

University

10 Qs

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Conjuntos

Conjuntos

Assessment

Quiz

Mathematics

University

Practice Problem

Hard

Created by

Adrián Oclica

Used 32+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Si el conjunto B es tal que:
 B={{ϕ},π,κ,{{θ}},η}B=\left\{\left\{\phi\right\},\pi,\kappa,\left\{\left\{\theta\right\}\right\},\eta\right\} 
¿Cuáles de las siguientes informaciones es cierta?

 {{{θ}}}B\left\{\left\{\left\{\theta\right\}\right\}\right\}\subseteq B  

 {π,κ}{} B\left\{\pi,\kappa\right\}\wedge\left\{\right\}\ \subseteq B  

 {η,{ϕ}}B\left\{\eta,\left\{\phi\right\}\right\}\in B  

 {κ,η}B\left\{\kappa,\eta\right\}\notin B  

 ϕ  n⊄B\phi\ \wedge\ n\not\subset B  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Si P y W son dos conjuntos tales que  P={6,8} y W={f,g} P=\left\{6,8\right\}\ y\ W=\left\{f,g\right\}\  

¿Cuál de los siguientes conjuntos es el correcto?

 P×W={(6,f),(8,f),(6,g)}P\times W=\left\{\left(6,f\right),\left(8,f\right),\left(6,g\right)\right\}  

 P×W={(6,f),(f,8),(6,g),(g,8)}P\times W=\left\{\left(6,f\right),\left(f,8\right),\left(6,g\right),\left(g,8\right)\right\}  

 P×W={(6,g),(8,f)}P\times W=\left\{\left(6,g\right),\left(8,f\right)\right\}  

 P×W={(6,f)(6,g),(8,f),(8,g)}P\times W=\left\{\left(6,f\right)\left(6,g\right),\left(8,f\right),\left(8,g\right)\right\}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál de las siguientes es una ley de DeMorgan?

 (AB)c=AcBc\left(A\cap B\right)^c=A^c\cup B^c  

 AB=BAA\cap B=B\cap A  

 ABc=AcBA\cap B^c=A^c\cap B  

 (AB)c=(BA)c\left(A\cup B\right)^c=\left(B\cup A\right)^c  

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Para A,B conjuntos cualesquiera.

¿Qué afirmación es correcta?

AABA\subseteq A\cap B

A=ABA=A\cup B

AABA\subseteq A\cup B

A=ABA=A\cap B

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Si  {x}A\left\{x\right\}\in A 

¿Cómo podemos ver al conjunto A?

 A={x}A=\left\{x\right\}  

 A={{{x}}}A=\left\{\left\{\left\{x\right\}\right\}\right\}  

 A=xA=x  

 A={{x},x}A=\left\{\left\{x\right\},x\right\}  

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Si  AC=ϕA\cap C=\phi 

¿Qué conjunto se obtiene de
 (AB) \left(A\cup B\right)\  \ (BC)\left(B\cap C\right)  ?

 ϕ\phi  

A

B

C

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si para algún  xAx\in A  se tiene que  xBx\in B  , se cumple que:

 ABA\subset B  

 BAB\subset A  

 ABϕA\cap B\ne\phi  

 Ac=BA^c=B  

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