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  1. revAppend([], X, X).
  2. revAppend([X|Y], Z, W) :- revAppend(Y, [X|Z], W).
  3. ?-revAppend([1,2,3], [], ZS).
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.pl:3:3: syntax error: . or operator expected after expression
	1 error(s)
compilation failed
stdout
Standard output is empty