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number(X) :-! 0 is X--.

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

stdin

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compilation info

prog.pl:1:15: syntax error: . or operator expected after expression
	1 error(s)
compilation failed

stdout

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Standard output is empty

https://ideone.com/DK0pt

language:

Prolog (gprolog 1.4.5)

created:

visibility:

public

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