41. If it rains heavily then the school will be
closed.
p → q
42. If it is square then it is rectangle.
p → q
43. If it is not a rectangle then it is not a
square.
~p → ~q
44. If it is an equilateral triangle then it is an
isosceles.
p → q
45. Yuvraj has sufficient money and he will buy a
car.
p ˄ q
46. If Yuvraj has sufficient money then he will not
buy a car.
p → ~q
47. Yuvraj does not have sufficient money or he will
buy a car.
~p ˅ q
48. It is a day time or it is warm.
p ˅ q
49. If it is a day time then it is warm.
p → q
50. It is warm if and only if it is a day time.
p ↔ q
