jesperez530
jesperez530 jesperez530
  • 04-01-2018
  • Mathematics
contestada

Is (p∨q)∨(q→p) a tautology, contradiction, or neither?

Respuesta :

wizard123
wizard123 wizard123
  • 04-01-2018
Make a truth table, let A = pVq,  B =q->p

p     q        A       B       AVB
0      0       0       1         1
0      1       1       0         1
1      0       1       1        1
1      1       1       1        1

Since it is True for every possible state of p and q, then it is a tautology.
Answer Link

Otras preguntas

What are emperor penguins considered a species ? Help!!
40 points | Sierra and Alek each have five cousins. Their ages are listed below. Sierra’s cousins: 2, 11, 12, 13, 15 Alek’s cousins: 9, 11, 11, 12, 13 Which of
Factor completely.Reduce if necessary. 2x+8/x^2-16
how do levels of thermal energy and speed differ between low and high friction surfaces? how does this difference relate to a transformation of energy?
I need help please ?!!!!
two reasons Egypt couldn’t stop the decline of its 3,000-year-old civilization.
Match the type of graph with its description. 1. bar graph 2. line graph 3. scatter plot 4. histogram 5. box-and-whisker plot a. Compares data that is in cate
HELP ASAP 50 POINTS! What is the slope and y intercept of the equation of the graph?
help~~~~~~~~~````````````````
What is the solution to the system of equations? Use the substitution method. {y=2x+43x−6y=3 Enter your answer in the boxes