For the statement: "If a quadilateral is a rectangle , then it has two – InterviewSolution

1.	For the statement: "If a quadilateral is a rectangle , then it has two paisrs of parallel sides", write the converse, inverse and contrapositive statements.
Answer» Converse: If a quadilateral has two pairs of parallel sides, then it is a rectangles Inverse: IF a quadilateral is not a rectangle, then it does not have two pairs of parallel sides. Contrapositive: If a quadilateral does not have two pairs of parallel sides, then it is not a rectangle Here, both converse and inverse are false. since the given statement is true, its contrapositive is true.

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For the statement: "If a quadilateral is a rectangle , then it has two paisrs of parallel sides", write the converse, inverse and contrapositive statements.
Prove that `~(~pto ~q) -=~p ^^q`
prove that `(p^^q) ^^~(pvvq)` is a contradiction.