Question

Tutorial for prolog program that count vowels

Answer 1

1    cvowel([],0).02  vowel([a],Counter):-Counter is 1.03  vowel([e],Counter):-Counter is 1.04  vowel([i],Counter):-Counter is 1.05  vowel([o],Counter):-Counter is 1.06  vowel([u],Counter):-Counter is 1.07  vowel([_];[],Counter):-Counter is 0.08  cvowel([H|T],Counter1):-cvowel(T,Count),vowel(H,Counter),Count is             Count09  10+Counter,Counter1 is Counter1+Count.