Are the two statements below EQUIVALENT or NOT EQUIVALENT? Statement #1: R right

Question

Are the two statements below EQUIVALENT or NOT EQUIVALENT? Statement #1: R rightarrow (Q P) Statement #2: (P R) rightarrow (R rightarrow Q) A. Statements are EQUIVALENT. B. Statements are NOT EQUIVALENT. Are the two statements below EQUIVALENT or NOT EQUIVALENT? Statement #1: Q (P R) Statement #2: ~ P V (~ Q R) A. Statements are EQUIVALENT. B. Statements are NOT EQUIVALENT. Is the argument below VALID or INVALID? Premise: R rightarrow (Q P) Premise: (P^R) rightarrow (R rightarrow Q) Conclusion: Q (P R) A. Argument is VALID. B. Argument is INVALID. Is the argument below VALID or INVALID? Premise: ~ P (~ Q R) Premise: Q A (P R) Conclusion: R rightarrow (Q P) A. Argument is VALID. B. Argument is INVALID.

Explanation / Answer

by boolean calculations

statements 1 & 2 in 7 are equivalent

statements 1 & 2 in 8 are not equivalent

argument is valid

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