Proposition 2A Given the following proposition: [(X ?
A) • (B ? ? Y)] ? [(B ? Y) • (A ? X)]
In Proposition 2A, the main operator is a:
A) Wedge.
B) Tilde.
C) Dot.
D) Horseshoe.
E) Triple bar.
D
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Using the items in Exercise 9-12 in your text as examples, determine the truth value of the second claim (below) based on that given for the first claim.a. No Xs are non-Ys. (True)b. Some Xs are Ys.
Fill in the blank(s) with the appropriate word(s).
Sacred space often encompasses
A. the command of a ruler. B. a great mountain or tree. C. the construction of a skyscraper. D. the veneration of a sacred book.
INSTRUCTIONS: Use an ordinary truth table to answer the following problems. Construct the truth table as per the instructions in the textbook. Statement 3A Given the following statement: [? H ? (E • D)] ? [(H • ? E) ? (H • ? D)] Statement 3A is:
A) Tautologous. B) Valid. C) Contingent. D) Inconsistent. E) Self-contradictory.
A quasi-memory is
A. an apparent memory. B. a real memory that you've forgotten. C. a fuzzy real memory. D. an apparent memory that's caused in the right way by a real event.