Annotated using CiaoPP:
:- mode(member/2, [-,+]).
:- measure(member/2, [size,length]).
%complexity: member(o,i).
%% member(Element, List) :- Element is an element of the list List. 
%%

%TWTYPES     :- type member(poly,list).

member(X, [X | _]).
member(X, [_ | Xs]) :- member(X, Xs).



/*TWDESC

member(Element, List) :- Element is an element of the list List.

*/


/*TWTYPES

list([]).
list([X|Xs]) :-
	poly(X),
	list(Xs).

poly(dummy).
*/


/*TWDEMO

selected_norms([list,poly]).

query(member(f,f,b,f)).
query(member(f,f,f,b)).

*/


Caslog 1.0, April 1992.

* Mutually exclusive classes of clauses for predicate member/2 :

[[1,2]]

* Size functions for predicate member/2 :

[bot,$(2)]

* Relation functions for predicate member/2 :

[inf]

* Solution functions for predicate member/2 :

[$(2)]

* Time functions for predicate member/2 :

[2* $(2)]

{Exexution Time: 0.0 msec}

{End of Caslog execution.}