Question

Will someone please confirm my answers here. I'm stumped. Feel good, but not sure. Thank you.

1. "Julie and Kurt got married and had a baby" is best symbolized as
M v B
M & B
M ¡æ B
M ¡ê B

My choice is C

2. What is the truth value of the sentence "P v ~ P"?
True
False
Cannot be determined
Not a sentence

My choice is A

3. If P is true, and Q is false, the truth-value of "P v Q" is
false.
true.
Cannot be determined
All of the above

My choice is B

4. In the truth table for an invalid argument, (
on at least one row, where the premises are all true, the conclusion is true.
on at least one row, where the premises are all true, the conclusion is false.
on all the rows where the premises are all true, the conclusion is true.
on most of the rows, where the premises are all true, the conclusion is true.

My choice is B


6. If P is false, and Q is false, the truth-value of "P ¡êQ" is
false.
true.
Cannot be determined.
All of the above.

My choice is A

6. What is the truth value of the sentence "P & ~ P"?
True
False
Cannot be determined
Not a sentence

My choice is B

Answer 1

The symbol on question 1, answer C, supposed to read M->B (arrow facing to the right).