
Ex-1-Comp-OcFeb2025
Authored by Marco Hernández
Education
6th Grade
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dadas las proposiciones p: "Hoy es lunes" y q: "Está soleado", la expresión lógica ¬(p∧q)∨(¬p∧q) es equivalente a:
p→q
¬p∨q
q∨¬p
(p∧¬q)
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Si p∨(q∧r) es verdadera, ¿cuál de las siguientes condiciones es necesariamente verdadera?
p∧r
q∧r
p o (q∧r)
Ninguna es necesariamente verdadera.
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dada la implicación p→(q∨r), si p es verdadera y (q∨r) es falsa, ¿qué se puede concluir sobre la proposición compuesta?
Es una contradicción.
Es una tautología.
Es contingencia.
Es indeterminada.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El equivalente lógico de (p→q)∧(¬q∨r) es:
(¬p∨q)∧(¬q∨r)
(p∧q)∨(r∧¬q)
p→(q∧r)
(p∨¬q)∧(q∨r)
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Una fórmula lógica con tres proposiciones p, q y r tiene una tabla de verdad con 23=8 filas. Si dos filas muestran valores verdaderos para la fórmula, ¿qué se puede concluir sobre la fórmula?
Es una tautología.
Es satisfacible pero no válida.
Es insatisfacible.
Es una contradicción.
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sean A={x∈Z:x2≤9} y B={x∈Z:x>0}. El conjunto A∩B es:
{0,1,2,3}
{1,2,3}
{-3,-2,-1,0,1,2,3}
{1,3}
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Dado el conjunto A={x∈R : x2-4x+3≥0}, ¿cuál es el complemento de A respecto a R?
(-1,3)
(1,3)
(-∞,1)∪(3,∞)
[1,3]
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