Consider the two statements : (S1) : (...

Consider the two statements :
`(S1) : (p to q) vv ( ~ q to p)` is a tautology
`(S2) : (p wedge ~q) wedge ( ~p vv q)` is a fallacy
Then :

A

both (S1) and (S2) are true.

B

both (S1) and (S2) are false.

C

only (S1) is true.

D

only (S2) is true.

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