Which one of the following is not true?
(1) Negation of a negation of a statement is the statement itself
(2) If the last column of the truth contains only T then it is a tautology.
(3) If the last column of its truth table contains only F then it is a contradiction
(4) If p and q are any two statements then p<->
q is a tautology.
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Answer:
2 one is not true. I am 100 percentage sure
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Step-by-step explanation:
2 one is not true I am 100 precentage true
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