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Among the statements: (S1) : (p implies...

Among the statements:
(S1) : `(p implies q) vv ((~p) wedge q))` is a tautology
(S2) : `(q implies p) implies ((~p) wedge q))` is a contradiction

A

only (S2) is true

B

only (S1) is true

C

neither (S1) nor (S2) is true

D

both (S1) and (S2) are true

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