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Translate each of these statements into logical expressions using predicates, quantifiers, and logical connectives. a) Something

yKpoI14uk [10]

Answer:

Let P(x) = x is in the correct place

Let Q(x) = x is in the excellent place

R(x) denotes the tool

Explanation:

a) Something is not in the correct place.

P(x) is that x is in the correct place so negation of ¬P(x) will represent x is not in the correct place. ∃x is an existential quantifier used to represent "for some" and depicts something in the given statement. This statement can be translated into logical expression as follows:

∃x¬P(x)

b) All tools are in the correct place and are in excellent condition.

R(x) represents the tool, P(x) represents x is in correct place and Q(x) shows x is in excellent place. ∀ is used to show that "all" tools and ∧ is used here because tools are in correct place AND are in excellent condition so it depicts both P(x) and Q(x). This statement can be translated into logical expression as follows:

∀ x ( R(x) → (P(x) ∧ Q(x))

c) Everything is in the correct place and in excellent condition.

Here P(x) represents correct place and Q(x) represents excellent condition ∀ represent all and here everything. ∧ means that both the P(x) and Q(x) exist. This statement can be translated into logical expression as follows:

∀ x (P(x) ∧ Q(x)

7 0

3 years ago

Each of the following programs has errors. Find as many as you can. 65. // Find the error in this program. #include using namesp

Serggg [28]

Answer:

There are two error in this program--

In header file inclusion, file is not defined.
In the statement "result = ++(num1 + num2);" , bracket is fixed after the increment operator.

Explanation:

For the first error, the user needs to add the file because "#include" is used to add the library for the program which states about the function and symbols used in the program.
The second error is because there must be a variable with the increment operator ( increment operator is being used to increase the value of a variable by 1), but there is a small brace fix in between the operator and operands.

7 0

3 years ago

Positive thinkers tend to

andreev551 [17]

Answer:

I would say D hope this helps

3 0

4 years ago

Read 2 more answers

A proxy is

salantis [7]

Answer:

C. an authorization of a registered stockholder to another person to act in their place at the meeting

Explanation:

The proxy server acts as a gateway between you and the Internet.
it is a Intermediate Server separates users from browsing websites
Therefore, the proxy here refers to allowing someone to act on their behalf. In the case of the company, the proxy allows another person to act on behalf of the registered stockholder at company meetings.

4 0

3 years ago

Can you help me with these AP Computer Science Questions. (THIS IS DUE BY 1:30 PM today) you have to evaluate the Boolean Expres

vfiekz [6]

Answer + Explanation:

'and' -> both statements are 'True' to evaluate as 'True'.

'or' -> at least one statement is 'True' to evaluate as 'True'.

1. True (grade has the value of 82, so the statement evaluates to 'True').

2. True (Both statements are true, this expression evaluates to 'True').

3. False (Both statements are false, this expression evaluates to 'False').

4. True (the != operator means not equal. Since the 'name' variable holds the string 'Rumpelstiltskin', name != 'Rumpelstiltskin' evaluates to 'False'. The 'not' operator returns the opposite of the given Boolean expression, so this expression evaluates to 'True').

5. True (name == 'Rumpelstiltskin' evaluates to 'True', so this expression is true).

6. False (All statements evaluate to 'False').

7. True (All statements evaluate to 'True').

8. False (All statements evaluate to 'True' except for not(x == - 3) which evaluates to 'False', so the whole statement now becomes false).

9. True (grade+5 < 90 and grade >= 80 evaluates to 'True', so this whole expression becomes true).

10. True (grade > 0 and x % 2 == 1 evaluates to 'True')

Hope this helps :)

7 0

3 years ago