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Write a Prolog function countAllX which counts the number of occurre.pdf

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Write a Prolog function countAllX which counts the number of occurrences of an element in a list, no matter how deeply nested they are. For example: countAllX (A, [A B A [A 1 A [A A]]], N) Returns N = 6 Thanks a lot for your help!!! Solution countAllX([],x,0). countAllX([x|T],x,y):-countAllX(T,x,z),y is 1+z; countAllX([x1|T],x,z):-x1\\=x,countAllX(T,x,z). // here we are creating a new dummy variable called X1 that counts the number of occurences of a particular element countall(LIST,x,c):- sort(LIST,LIST1) , // this helps in sorting out the elements and helps in counting the number of occurances of a particular number even if it is repeated member(x,LIST1), count(LIST,x,c)..

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Write a Prolog function countAllX which counts the number of occurrences of an element in a list, no matter how deeply nested they are. For example: countAllX (A, [A B A [A 1 A [A A]]], N) Returns N = 6 Thanks a lot for your help!!! Solution countAllX([],x,0). countAllX([x|T],x,y):-countAllX(T,x,z),y is 1+z; countAllX([x1|T],x,z):-x1=x,countAllX(T,x,z). // here we are creating a new dummy variable called X1 that counts the number of occurences of a particular element countall(LIST,x,c):- sort(LIST,LIST1) , // this helps in sorting out the elements and helps in counting the number of occurances of a particular number even if it is repeated member(x,LIST1), count(LIST,x,c).

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  • 1. Write a Prolog function countAllX which counts the number of occurrences of an element in a list, no matter how deeply nested they are. For example: countAllX (A, [A B A [A 1 A [A A]]], N) Returns N = 6 Thanks a lot for your help!!! Solution countAllX([],x,0). countAllX([x|T],x,y):-countAllX(T,x,z),y is 1+z; countAllX([x1|T],x,z):-x1=x,countAllX(T,x,z). // here we are creating a new dummy variable called X1 that counts the number of occurences of a particular element countall(LIST,x,c):- sort(LIST,LIST1) , // this helps in sorting out the elements and helps in counting the number of occurances of a particular number even if it is repeated member(x,LIST1), count(LIST,x,c).