Question

Question 9.9. For the conditional statement, "If you fly from New York to Florida, then you travel from north to south," which other statement must be true?

If you travel from north to south, then you fly from New York to Florida.

If you do not travel from north to south, then you do not fly from New York to Florida.

If you do not fly from New York to Florida, then you do not fly from north to south.

If you fly from New York to Florida, then you fly from south to north.

Answer 1

b

Answer 2

'if p then q' is equivalent to ' if not q then not p '

Answer 3

thank @perl