Q$1.$ Using truth table evaluate :

$(pvvq)$notr

$pvv(q$notr$)$

Q$2.$ Which ones are propositions and which ones are not?

A$.$ University is a place full of buildings and playgrounds for studies.

B$.$ Sun is a solid mass.

C$.$ If you jump then earth will not rotate.

D$.$ If $x+2=3$ then $-x=-1.$

Q$3.$ Prepare the Formula and truth table of Converse, Contrapositive and Inverse of:

notp$(q^{{?}^{?}}(rvvq))$

Q$4.$ Prepare a tautology and a contradiction using four Boolean variables $x,y,w,z.$ Show truth tables.