Answer to Question #239963 in Discrete Mathematics for Bryll

Question

Let p,q and r be the following proposition

P:jun jun has a date with petra

Q:juan is sleeping

R:lance is eating

1.p v q

2.q 

V (～r)

3.p

V (q v r)

Answer 1

Solution:

1.p v q

Jun jun has a date with petra or Juan is sleeping.

2.q V (～r)

Juan is sleeping or Lance is not eating.

3.p V (q v r)

Jun jun has a date with petra or Juan is sleeping or Lance is eating.