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and

Purpose
This composite constraint states a conjunction between two constraints C1 and C2 ( C1 ∧ C2). The satisfaction of the resulting constraint is given by the following truth table: 
  C1     C2       C1 and C2
  --------------------------
  false  false    false
  false  true     false
  true   false    false
  true   true     true

Synopsis
C1 and C2
Arguments
C1 
the left member constraint of the conjunction
C2 
the right member constraint of the conjunction
Return value
A conjunction constraint over C1 and C2
Example
The following example shows how to use the conjunction constraint 
model "Logical constraints"
 uses "kalis"

! Default bounds for all variables
 setparam("KALIS_DEFAULT_LB", 0); setparam("KALIS_DEFAULT_UB", 1)

 declarations
  a,b: cpvar
 end-declarations

 setname(a,"a")
 setname(b,"b")

 writeln(a,b)
 (a >= 1) and (b >= 1) or (a <= 0) and (b >= 1)

 while (cp_find_next_sol)
  writeln("a:", getsol(a), " b:", getsol(b))

end-model

Related topics
implies and or

Parent Topic Constraints

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