Use a truth table to test the validity of the following argument.

Question

If you play varsity sports, then you are dismissed from school an hour early.

You are dismissed from school an hour early.

Therefore, you are a varsity athlete.

A. Valid

B. Invalid

Answer 1

A = play varsity sports

B = dismissed from school an hour early

If A is true then B is true is a given true conditional

If B is true then A is true is NOT necessarily a true conditional.

Invalid (B)