Computer Science, asked by vinay266485, 4 months ago

are the two statements same A=5, A==5​

Answers

Answered by ak2640075
0

Answer:

No, both statement are not same

Answered by jivinchaitanya
0

Answer:

Complete truth tables for  ┐(P∧Q)  and  ┐P∨┐Q .

Are the expressions  ┐(P∧Q)  and  ┐P∨┐Q  logically equivalent?

Suppose that the statement “I will play golf and I will mow the lawn” is false. Then its negation is true. Write the negation of this statement in the form of a disjunction. Does this make sense?

Sometimes we actually use logical reasoning in our everyday living! Perhaps you can imagine a parent making the following two statements:

Statement 1. If you do not clean your room, then you cannot watch TV.

Statement 2. You clean your room or you cannot watch TV.

Let  P  be “you do not clean your room,” and let  Q  be “you cannot watch TV.” Use these to translate Statement 1 and Statement 2 into symbolic forms.

Construct a truth table for each of the expressions you determined in Part(4). Are the expressions logically equivalent?

Assume that Statement 1 and Statement 2 are false. In this case, what is the truth value of  P  and what is the truth value of  Q ? Now, write a true statement in symbolic form that is a conjunction and involves  P  and  Q .

Write a truth table for the (conjunction) statement in Part (6) and compare it to a truth table for  ┐(P→Q) . What do you observe?

Explanation:

Complete truth tables for  ┐(P∧Q)  and  ┐P∨┐Q .

Are the expressions  ┐(P∧Q)  and  ┐P∨┐Q  logically equivalent?

Suppose that the statement “I will play golf and I will mow the lawn” is false. Then its negation is true. Write the negation of this statement in the form of a disjunction. Does this make sense?

Sometimes we actually use logical reasoning in our everyday living! Perhaps you can imagine a parent making the following two statements:

Statement 1. If you do not clean your room, then you cannot watch TV.

Statement 2. You clean your room or you cannot watch TV.

Let  P  be “you do not clean your room,” and let  Q  be “you cannot watch TV.” Use these to translate Statement 1 and Statement 2 into symbolic forms.

Construct a truth table for each of the expressions you determined in Part(4). Are the expressions logically equivalent?

Assume that Statement 1 and Statement 2 are false. In this case, what is the truth value of  P  and what is the truth value of  Q ? Now, write a true statement in symbolic form that is a conjunction and involves  P  and  Q .

Write a truth table for the (conjunction) statement in Part (6) and compare it to a truth table for  ┐(P→Q) . What do you observe?

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