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name = 'memb/2' slug = 'find elements in list' description = '''\ <p><code>memb(M, L)</code>: <code>M</code> is an element of list <code>L</code>.</p> <pre> ?- memb(X, [1,2,3]). X = 1 ; X = 2 ; X = 3. ?- memb(1, [3,2,X]). X = 1. </pre>''' hint = {}