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    Professor

    Select the code which is not correct about Venn diagram:

    (a) Venn diagram represents propositions as well as classes.
    (b) It can provide clear method of notation.
    (c) It can be either valid or invalid.
    (d) It can provide the direct method of testing the validity.

    Asked by Anurag Mishra on 12th July 2016 in Teaching.
    1 Answers
    Professor

    Answer: (c) It can be either valid or invalid.

    Answered by Anurag Mishra on 13th July 2016..