]> http://example.org/example#factorial 0 1 N http://www.w3.org/2007/rif-builtin-predicate#numeric-greater-than N 0 http://example.org/example#factorial N http://www.w3.org/2007/rif-builtin-function#numeric-multiply N http://example.org/example#factorial http://www.w3.org/2007/rif-builtin-function#numeric-subtract N 1