1.

Rewrite each of the following statements in the form "p if and only if q"(i) p: if you watch television, then your mind is free and if your mind if free, then you watch television.(ii) q: for you to get an a grade, it is necessary and sufficinet that you do all the homework regularly.(iii) r: if a quardrilateral is equiangular, then it is a rectangular and if a quadrilateral is a rectangle, then it is eqiangular.

Answer»

Solution :(i) You WATCH TELEVISION if and only if your mind in free.
(ii) You get an A grade if and only if you do all the HOME WORK regularly.
(iii) a QUADRILATERAL is equiangular if and only if it is a rectangle.


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