First slide
Introduction to mathematical reasoning
Question

Consider the following statements:

p : It rains today
q : I go to school
r : I shall meet any friends
s : I shall go for a movie
Then which of the following propositions represents 'If it does not rain or if I do not go to school, then I shall meet my friend and go for a movie.'? 

Moderate
Solution

Correct result is: (~p~q)(rs)

or  ~(pq)(rs)

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