P1 : (p v ˥q) ^ (q →r) v (r v p)
A.P1 is tautology
B.P1 is satisfiable
C.If p is true and q is false and r is false, the P1 is true
D.If p as true and q is true and r is false, then P1 is true
Answer:C
P1 : (p v ˥q) ^ (q →r) v (r v p)
A.P1 is tautology B.P1 is satisfiable C.If p is true and q is false and r is false, the P1 is true D.If p as true and q is true and r is false, then P1 is true