(expr.isContradiction(featureModel) ||
expr.isTautology(featureModel) ||
fullPresenceCondition.isContradiction(featureModel) ||
fullPresenceCondition.isTautology(featureModel) ||
parentPc.implies(expr).isTautology(featureModel) ||
parentPc.implies(expr.not()).isTautology(featureModel)))
visible = false;
return visible;
}
public Token endIf(Token tok) {