public CPDLSubsetPred(CPDLSet set1, CPDLSet set2)
 {
     this.set1 = set1;
     this.set2 = set2;
 }
 public CPDLSetCardinalityModule(CPDLSet originalSet, CPDLInteger originalN, CPDLInteger originalM)
 {
     this.originalSet = originalSet;
     this.originalN = originalN;
     this.originalM = originalM;
 }
 public CPDLSetCardinality(CPDLSet originalSet, CPDLInteger originalN)
 {
     this.originalSet = originalSet;
     this.originalN = originalN;
 }
 public CPDLBelongs(CPDLPos originalPosition, CPDLSet originalSet)
 {
     this.originalPosition = originalPosition;
     this.originalSet = originalSet;
 }
 public CPDLAtSetPred(CPDLChar originalChar, CPDLSet originalSet)
 {
     this.originalChar = originalChar;
     this.originalSet = originalSet;
 }
 public CPDLSetOperatorSet(CPDLSet lhs, CPDLSet rhs)
 {
     this.lhs = lhs;
     this.rhs = rhs;
 }