(ARTIFICIAL INTELLIGENCE BASED QUESTION)

Find out the wrong statements:-

r)Consistent knowledge base has the property of nonmonotonicity

s)"A->B" indicates A ia the necessary condition of B

t)Any inheritable knowledge is bascically a semantic knowledge

u)Cnclusion made by inheritence has no uncertainty

v)In A* heuristic both the difficulties of underestimation and overestimation of h' value can be oversome by setting h'=0

w)In AO* heuristic the g value may be non zero in case the state space representation is a tree

x)Paralellism is applicabe in breadth first search

y)Computation of penetrance is useless in case of best first search

z)Computation of penetrance is useful for relative and path problems