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factorial(0,1).
 
factorial(A,B) :-  
           A > 0, 
           C is A-1,
           factorial(C,D),
           B is A*D. 
yes

Compilation error #stdin compilation error #stdout 0s 0KB

stdin

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?- factorial(10,What).

compilation info

prog.pl:8:4: syntax error: . or operator expected after expression
	1 error(s)
compilation failed

stdout

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Standard output is empty

https://ideone.com/yom7d

language:

Prolog (gprolog 1.4.5)

created:

visibility:

public

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