Examples with BruteForceMultiQuantifierEliminator com.sri.ai.grinder.interpreter.BruteForceMultiQuantifierEliminator used on opensource projects

Example 1 with BruteForceMultiQuantifierEliminator

use of com.sri.ai.grinder.interpreter.BruteForceMultiQuantifierEliminator in project aic-expresso by aic-sri-international.

the class BruteForceFunctionTheory method getSingleQuantifierEliminatorStepSolver.

@Override
public ExpressionLiteralSplitterStepSolver getSingleQuantifierEliminatorStepSolver(SingleQuantifierEliminationProblem problem, Context context) {
    Expression variable = problem.getIndex();
    Expression type = GrinderUtil.getTypeExpressionOfExpression(variable, context);
    Expression indexExpression = IndexExpressions.makeIndexExpression(variable, type);
    ExtensionalIndexExpressionsSet indexExpressionsSet = new ExtensionalIndexExpressionsSet(indexExpression);
    MultiQuantifierEliminator quantifierEliminator = new BruteForceMultiQuantifierEliminator(context.getTheory().getTopRewriter());
    // TODO: return conditional steps on literals on free variables.
    // We are solving it straight here because there are no literals in this theory,
    // however a more sophisticated solution would return conditional steps on literals on free variables.
    Expression solution = quantifierEliminator.extendContextAndSolve(problem.getGroup(), indexExpressionsSet, problem.getConstraint(), problem.getBody(), context);
    return new ConstantExpressionStepSolver(solution);
}