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 | Predicate sum/3 |
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Availability:
:- use_module(library(clpfd)).
sum(+Vars, +Rel,
?Expr)\=, #<, #>, #=<
or #>=. For example:
?- [A,B,C] ins 0..sup, sum([A,B,C], #=, 100). A in 0..100, A+B+C#=100, B in 0..100, C in 0..100.