decide if this statement is valid or invalid. if you study, you will improve your vocabulary. if you improve…

decide if this statement is valid or invalid. if you study, you will improve your vocabulary. if you improve your vocabulary, you will raise your grades. therefore if you study, you will raise your grades. invalid valid
Answer
Brief Explanations:
This is an example of a valid logical chain. The first statement says studying leads to vocabulary - improvement. The second says vocabulary - improvement leads to grade - raising. By the law of syllogism in logic, if A implies B and B implies C, then A implies C. Here, studying (A) implies vocabulary - improvement (B), and vocabulary - improvement (B) implies grade - raising (C), so studying implies grade - raising.
Answer:
Valid