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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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Knowledge Check

  • (p ^^ q) vv (~q ^^ p) -=

    A
    `q vv p`
    B
    `P`
    C
    `~q`
    D
    `p ^^ q`

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    A
    `S_(1)` is true
    B
    `S_(2)` is true
    C
    Both `S_(1)` and `S_(2)` are true
    D
    None of these

  • p vv ~(p ^^ q) is a

    A
    contradiction
    B
    contingency
    C
    tautology
    D
    None of these
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