Competitive Exams: Philosphy MCQs (Practice-Test 9 of 90)

  1. Which one of the following is entailed by the sentence ‘Either Pakistan doesn't raise the Kashmir issue of the infiltrators leave the Kargil sector’

    1. If the infiltrators leave the Kargil sector then Pakistan raises the Kashmir issue

    2. Pakistan raises the Kashmir issue

    3. Pakistan does not raise the Kashmir issue and the infiltrators leave the Kargil sector

    4. If the infilators don't leave the Kargil sector then Pakistan doesn't raise the

    Kashmir issue

  2. Which one of the following is defined by ~ [~ (~ p-q) -~ (~ q-p) ]?

    1. p-q

    2. p. q

    3. p-q

    4. p-q

  3. If p is true and q is true but r is false, then which one of the following is NOT a tautology?

    1. [p (q-r). ]- (p. q) - (p. r)

    2. ~ (~ p. ~ q) -~ (p-~ q)

    3. (~ p-~ q) - (q-p)

    4. [ (p-q). ~ p]-p

  4. Consider the following statements: ‘~ p-q’ ‘p-~ q’ ‘~ p-~ q’ and ‘~ (p-q)’ These statements are all true, if

    1. p and q are both true

    2. p is true but p is false

    3. q is true but p is false

    4. p is false and q is false

  5. Which one of the following arguments is valid truth functionally?

    1. It is not the case that either he will not come or I will not teach him. Therefore he will come

    2. It is not the case that either he will not come or I will teach him. Therefore he will not come

    3. Either he will not come or I will teach him. Therefore I will not teach him

    4. Either he will come or I will not teach him. Therefore I will teach him