SWI-Prolog -- min_member/3

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Predicate min_member/3

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Availability::- use_module(library(lists)).(can be autoloaded)

Source

[semidet]min_member(:Pred, -Min, +List)

True when Min is the smallest member according to Pred, which must be a 2-argument callable that behaves like (@=<)/2. Fails if List is empty. The following call is equivalent to max_member/2:

?- min_member(@=<, X, [6,1,8,4]).
X = 1.

See also: min_list/2 for the minimum of a list of numbers.