Represent each circuit with a symbolic statement. Using a truth table, state whether the circuits are equivalent.


A. (p ? ~r) ? [(p ? q) ? r]; (p ? ~r) ? [(p ? q) ? r]; not equivalent
B. (p ? ~r) ? [(p ? q) ? r]; (p ? ~r) ? [(p ? q) ? r]; equivalent
C. (p ? ~r) ? [(p ? q) ? r]; (p ? ~r) ? [(p ? q) ? r]; not equivalent
D. (p ? ~r) ? [(p ? q) ? r]; (p ? ~r) ? [(p ? q) ? r]; equivalent
Answer: C
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