Let Δ{,,,} be such that (pq)Δ((pq)q) is a tautology. Then Δ is equal to:

Option 1 -

Option 2 -

Option 3 -

Option 4 -

0 3 Views | Posted 2 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    2 months ago
    Correct Option - 3


    Detailed Solution:

    (pq)q

    (pq)q

    (pq)q

    (pq) (qq)

    pq

    now  (pq)Δ (pq)istautolog? y

    pq pq pq  (pq)Δ (pq)

    TTTTT

    TFFFT

    FTFTT

    FFFTT

    So,  Δ=

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