built_in(!).
built_in('C'(_,_,_)).
built_in((:- _)).
built_in((?- _)).
built_in(?=(_,_)).
built_in([]).
built_in([_|_]).
built_in(\+ _).
built_in(_ is _).
built_in((_,_)).
built_in(_->_).
built_in(_:-_).
built_in(_:_).
built_in(_;_).
built_in(_|_).
built_in(_<_).
built_in(_=.._).
built_in(_=:=_).
built_in(_=<_).
built_in(_==_).
built_in(_=\=_).
built_in(_=_).
built_in(_>=_).
built_in(_>_).
built_in(_@<_).
built_in(_@=<_).
built_in(_@>=_).
built_in(_@>_).
built_in(_\==_).
built_in(_^_).
built_in(abolish(_)).
built_in(abolish(_,_)).
built_in(abort).
built_in(absolute_file_name(_,_)).
built_in(ancestors(_)).
built_in(arg(_,_,_)).
built_in(assert(_)).
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built_in(asserta(_,_)).
built_in(assertz(_)).
built_in(assertz(_,_)).
built_in(atom(_)).
built_in(atom_chars(_,_)).
built_in(atomic(_)).
built_in(bagof(_,_,_)).
built_in(block(_)).
built_in(break).
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built_in(character_count(_,_)).
built_in(clause(_,_)).
built_in(clause(_,_,_)).
built_in(close(_)).
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built_in(compile(_)).
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built_in(copy_term(_,_)).
built_in(current_atom(_)).
built_in(current_host(_)).
built_in(current_input(_)).
built_in(current_key(_,_)).
built_in(current_module(_)).
built_in(current_module(_,_)).
built_in(current_op(_,_,_)).
built_in(current_output(_)).
built_in(current_predicate(_,_)).
built_in(current_stream(_,_,_)).
built_in(debug).
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built_in(display(_)).
built_in(dynamic _).
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built_in(erase(_)).
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built_in(fail).
built_in(false).
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built_in(fileerrors).
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built_in(findall(_,_,_,_)).
built_in(float(_)).
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built_in(functor(_,_,_)).
built_in(garbage_collect).
built_in(gc).
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built_in(get(_,_)).
built_in(get0(_)).
built_in(get0(_,_)).
built_in(ground(_)).
built_in(halt).
built_in(help).
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built_in(listing(_)).
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built_in(maxdepth(_)).
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built_in(multifile _).
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built_in(nl(_)).
built_in(nl).
built_in(nodebug).
built_in(nofileerrors).
built_in(nogc).
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built_in(nospy(_)).
built_in(nospyall).
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built_in(numbervars(_,_,_)).
built_in(on_exception(_,_,_)).
built_in(op(_,_,_)).
built_in(open(_,_,_)).
built_in(open_null_stream(_)).
built_in(otherwise).
built_in(phrase(_,_)).
built_in(phrase(_,_,_)).
built_in(plsys(_)).
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built_in(predicate_property(_,_)).
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built_in(profile_data(_,_,_,_)).
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built_in(prompt(_,_)).
built_in(public(_)).
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built_in(read(_,_)).
built_in(reconsult(_)).
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built_in(recorded(_,_,_)).
built_in(recordz(_,_,_)).
built_in(reinitialise).
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built_in(retractall(_)).
built_in(save(_)).
built_in(save(_,_)).
built_in(save_program(_)).
built_in(see(_)).
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built_in(setarg(_,_,_)).
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built_in(socket(_,_)).
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built_in(sort(_,_)).
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built_in(spy _).
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built_in(statistics).
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built_in(tell(_)).
built_in(telling(_)).
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built_in(told).
built_in(trace).
built_in(true).
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built_in(ttynl).
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built_in(var(_)).
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built_in(version).
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built_in(write_canonical(_,_)).
built_in(writeq(_)).
built_in(writeq(_,_)).