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Example 1 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class SGDPLLTTester method testSingleVariableConstraints.

/**
 * Given a theory and a number <code>n</code> of single-variable constraint tests,
 * generates <code>n</code> formulas in the theory
 * and see if those detected as unsatisfiable by the corresponding solver
 * are indeed unsatisfiable (checked by brute force).
 * Throws an {@link Error} with the failure description if a test fails.
 * @param theoryTestingSupport
 * @param numberOfTests
 * @param maxNumberOfLiterals
 * @param outputCount
 */
public static void testSingleVariableConstraints(boolean testAgainstBruteForce, TheoryTestingSupport theoryTestingSupport, long numberOfTests, int maxNumberOfLiterals, boolean outputCount) {
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    NullaryFunction<Constraint> makeInitialConstraint = () -> theoryTestingSupport.getTheory().makeSingleVariableConstraint(parse(theoryTestingSupport.pickTestingVariableAtRandom()), context);
    Function<Constraint, Expression> makeRandomLiteral = c -> theoryTestingSupport.makeRandomLiteralOn(((SingleVariableConstraint) c).getVariable().toString(), context);
    boolean isComplete = theoryTestingSupport.getTheory().singleVariableConstraintIsCompleteWithRespectToItsVariable();
    TestRunner tester = isComplete ? SGDPLLTTester::testCompleteSatisfiability : SGDPLLTTester::testIncompleteSatisfiability;
    String problemName = (isComplete ? "complete" : "incomplete") + " satisfiability for single-variable constraints";
    runTesterGivenOnSuccessiveConjunctionsOfLiterals(problemName, tester, numberOfTests, maxNumberOfLiterals, testAgainstBruteForce, theoryTestingSupport, makeInitialConstraint, makeRandomLiteral, outputCount, context);
}
Also used : Context(com.sri.ai.grinder.api.Context) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) BinaryFunction(com.sri.ai.util.base.BinaryFunction) Util.removeFromSetNonDestructively(com.sri.ai.util.Util.removeFromSetNonDestructively) SubExpressionsDepthFirstIterator(com.sri.ai.expresso.helper.SubExpressionsDepthFirstIterator) Expression(com.sri.ai.expresso.api.Expression) Sets(com.sri.ai.grinder.library.set.Sets) Function(java.util.function.Function) GrinderUtil(com.sri.ai.grinder.helper.GrinderUtil) And(com.sri.ai.grinder.library.boole.And) Util.in(com.sri.ai.util.Util.in) AssociativeCommutativeGroup(com.sri.ai.grinder.group.AssociativeCommutativeGroup) BruteForceCommonInterpreter(com.sri.ai.grinder.interpreter.BruteForceCommonInterpreter) IndexExpressions(com.sri.ai.grinder.library.indexexpression.IndexExpressions) Expressions.parse(com.sri.ai.expresso.helper.Expressions.parse) Map(java.util.Map) ThereExists(com.sri.ai.grinder.library.boole.ThereExists) Context(com.sri.ai.grinder.api.Context) ZERO(com.sri.ai.expresso.helper.Expressions.ZERO) SingleQuantifierEliminationProblem(com.sri.ai.grinder.api.SingleQuantifierEliminationProblem) LinkedHashSet(java.util.LinkedHashSet) Type(com.sri.ai.expresso.api.Type) DefaultSingleQuantifierEliminationProblem(com.sri.ai.grinder.core.solver.DefaultSingleQuantifierEliminationProblem) NullaryFunction(com.sri.ai.util.base.NullaryFunction) Util.join(com.sri.ai.util.Util.join) Expressions.getVariablesBeingReferenced(com.sri.ai.expresso.helper.Expressions.getVariablesBeingReferenced) Collection(java.util.Collection) Util.list(com.sri.ai.util.Util.list) DefaultMultiVariableConstraint(com.sri.ai.grinder.core.constraint.DefaultMultiVariableConstraint) Set(java.util.Set) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression) AssignmentMapsIterator(com.sri.ai.grinder.helper.AssignmentMapsIterator) Assignment(com.sri.ai.grinder.interpreter.Assignment) Beta(com.google.common.annotations.Beta) Theory(com.sri.ai.grinder.api.Theory) Expressions.makeSymbol(com.sri.ai.expresso.helper.Expressions.makeSymbol) SingleVariableConstraint(com.sri.ai.grinder.api.SingleVariableConstraint) Simplifier(com.sri.ai.grinder.rewriter.api.Simplifier) Util(com.sri.ai.util.Util) Util.pickKElementsWithoutReplacement(com.sri.ai.util.Util.pickKElementsWithoutReplacement) TRUE(com.sri.ai.expresso.helper.Expressions.TRUE) Constraint(com.sri.ai.grinder.api.Constraint) SingleVariableConstraint(com.sri.ai.grinder.api.SingleVariableConstraint) DefaultMultiVariableConstraint(com.sri.ai.grinder.core.constraint.DefaultMultiVariableConstraint) SingleVariableConstraint(com.sri.ai.grinder.api.SingleVariableConstraint) Constraint(com.sri.ai.grinder.api.Constraint) Expression(com.sri.ai.expresso.api.Expression) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression)

Example 2 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class SGDPLLTTester method runModelCountingTestForSingleVariableConstraint.

private static void runModelCountingTestForSingleVariableConstraint(Expression variable, Collection<Expression> literals, Constraint constraint, boolean testAgainstBruteForce, Theory theory, Context context) {
    Expression literalsConjunction = And.make(literals);
    String problemDescription = "model counting of " + literalsConjunction + " for variable " + variable;
    output("Problem: " + problemDescription);
    Simplifier symbolicSolver = (e, p) -> computeModelCountBySolver((SingleVariableConstraint) e, p);
    SingleVariableConstraint singleVariableConstraint = (SingleVariableConstraint) constraint;
    Expression symbolicSolution = symbolicSolver.apply(singleVariableConstraint, context);
    if (Util.thereExists(new SubExpressionsDepthFirstIterator(symbolicSolution), e -> e instanceof QuantifiedExpression || Sets.isIntensionalSet(e))) {
        throw new Error("Symbolic solution is not quantifier-free: " + symbolicSolution);
    }
    output("Symbolic result: " + symbolicSolution);
    if (testAgainstBruteForce) {
        if (singleVariableConstraint.isContradiction()) {
            if (!symbolicSolution.equals(ZERO)) {
                throw new Error("Constraint is contradiction, but symbolic solver does not produce 0, but instead " + symbolicSolution);
            }
        } else {
            Expression testingVariable = singleVariableConstraint.getVariable();
            Set<Expression> allVariables = getVariablesBeingReferenced(singleVariableConstraint, context);
            Collection<Expression> otherVariables = removeFromSetNonDestructively(allVariables, v -> v.equals(testingVariable));
            BinaryFunction<BruteForceCommonInterpreter, Context, Expression> fromInterpreterAndContextWithAssignmentToOtherVariablesToBruteForceSolution = (interpreter, contextWithAssignmentToOtherVariables) -> bruteForceModelCounterForVariableGivenInterpreterAndAssignmentToOtherVariables(variable, literalsConjunction, interpreter, theory, contextWithAssignmentToOtherVariables);
            testSymbolicVsBruteForceComputationForEachAssignment(theory, problemDescription, otherVariables, symbolicSolution, fromInterpreterAndContextWithAssignmentToOtherVariablesToBruteForceSolution, context);
        }
    } else {
        output("Skipping test againt brute-force.");
    }
}
Also used : BinaryFunction(com.sri.ai.util.base.BinaryFunction) Util.removeFromSetNonDestructively(com.sri.ai.util.Util.removeFromSetNonDestructively) SubExpressionsDepthFirstIterator(com.sri.ai.expresso.helper.SubExpressionsDepthFirstIterator) Expression(com.sri.ai.expresso.api.Expression) Sets(com.sri.ai.grinder.library.set.Sets) Function(java.util.function.Function) GrinderUtil(com.sri.ai.grinder.helper.GrinderUtil) And(com.sri.ai.grinder.library.boole.And) Util.in(com.sri.ai.util.Util.in) AssociativeCommutativeGroup(com.sri.ai.grinder.group.AssociativeCommutativeGroup) BruteForceCommonInterpreter(com.sri.ai.grinder.interpreter.BruteForceCommonInterpreter) IndexExpressions(com.sri.ai.grinder.library.indexexpression.IndexExpressions) Expressions.parse(com.sri.ai.expresso.helper.Expressions.parse) Map(java.util.Map) ThereExists(com.sri.ai.grinder.library.boole.ThereExists) Context(com.sri.ai.grinder.api.Context) ZERO(com.sri.ai.expresso.helper.Expressions.ZERO) SingleQuantifierEliminationProblem(com.sri.ai.grinder.api.SingleQuantifierEliminationProblem) LinkedHashSet(java.util.LinkedHashSet) Type(com.sri.ai.expresso.api.Type) DefaultSingleQuantifierEliminationProblem(com.sri.ai.grinder.core.solver.DefaultSingleQuantifierEliminationProblem) NullaryFunction(com.sri.ai.util.base.NullaryFunction) Util.join(com.sri.ai.util.Util.join) Expressions.getVariablesBeingReferenced(com.sri.ai.expresso.helper.Expressions.getVariablesBeingReferenced) Collection(java.util.Collection) Util.list(com.sri.ai.util.Util.list) DefaultMultiVariableConstraint(com.sri.ai.grinder.core.constraint.DefaultMultiVariableConstraint) Set(java.util.Set) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression) AssignmentMapsIterator(com.sri.ai.grinder.helper.AssignmentMapsIterator) Assignment(com.sri.ai.grinder.interpreter.Assignment) Beta(com.google.common.annotations.Beta) Theory(com.sri.ai.grinder.api.Theory) Expressions.makeSymbol(com.sri.ai.expresso.helper.Expressions.makeSymbol) SingleVariableConstraint(com.sri.ai.grinder.api.SingleVariableConstraint) Simplifier(com.sri.ai.grinder.rewriter.api.Simplifier) Util(com.sri.ai.util.Util) Util.pickKElementsWithoutReplacement(com.sri.ai.util.Util.pickKElementsWithoutReplacement) TRUE(com.sri.ai.expresso.helper.Expressions.TRUE) Constraint(com.sri.ai.grinder.api.Constraint) Context(com.sri.ai.grinder.api.Context) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) BruteForceCommonInterpreter(com.sri.ai.grinder.interpreter.BruteForceCommonInterpreter) SingleVariableConstraint(com.sri.ai.grinder.api.SingleVariableConstraint) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression) Expression(com.sri.ai.expresso.api.Expression) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression) Simplifier(com.sri.ai.grinder.rewriter.api.Simplifier) SubExpressionsDepthFirstIterator(com.sri.ai.expresso.helper.SubExpressionsDepthFirstIterator)

Example 3 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class SGDPLLTTester method testCompleteMultiVariableConstraints.

/**
 * Given a theory and a number <code>n</code> of multi-variable constraint tests,
 * generates <code>n</code> formulas in the theory
 * and see if those detected as unsatisfiable by the corresponding solver
 * are indeed unsatisfiable (checked by brute force).
 * Throws an {@link Error} with the failure description if a test fails.
 * @param theoryTestingSupport
 * @param numberOfTests
 * @param maxNumberOfLiterals
 * @param outputCount
 */
public static void testCompleteMultiVariableConstraints(boolean testAgainstBruteForce, TheoryTestingSupport theoryTestingSupport, long numberOfTests, int maxNumberOfLiterals, boolean outputCount) {
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    NullaryFunction<Constraint> makeInitialConstraint = () -> new CompleteMultiVariableContext(theoryTestingSupport.getTheory(), context);
    Function<Constraint, Expression> makeRandomLiteral = c -> theoryTestingSupport.makeRandomLiteral(context);
    // CompleteMultiVariableContext is complete
    TestRunner tester = SGDPLLTTester::testCompleteSatisfiability;
    runTesterGivenOnSuccessiveConjunctionsOfLiterals("complete satisfiability", tester, numberOfTests, maxNumberOfLiterals, testAgainstBruteForce, theoryTestingSupport, makeInitialConstraint, makeRandomLiteral, outputCount, context);
}
Also used : Context(com.sri.ai.grinder.api.Context) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) BinaryFunction(com.sri.ai.util.base.BinaryFunction) Util.removeFromSetNonDestructively(com.sri.ai.util.Util.removeFromSetNonDestructively) SubExpressionsDepthFirstIterator(com.sri.ai.expresso.helper.SubExpressionsDepthFirstIterator) Expression(com.sri.ai.expresso.api.Expression) Sets(com.sri.ai.grinder.library.set.Sets) Function(java.util.function.Function) GrinderUtil(com.sri.ai.grinder.helper.GrinderUtil) And(com.sri.ai.grinder.library.boole.And) Util.in(com.sri.ai.util.Util.in) AssociativeCommutativeGroup(com.sri.ai.grinder.group.AssociativeCommutativeGroup) BruteForceCommonInterpreter(com.sri.ai.grinder.interpreter.BruteForceCommonInterpreter) IndexExpressions(com.sri.ai.grinder.library.indexexpression.IndexExpressions) Expressions.parse(com.sri.ai.expresso.helper.Expressions.parse) Map(java.util.Map) ThereExists(com.sri.ai.grinder.library.boole.ThereExists) Context(com.sri.ai.grinder.api.Context) ZERO(com.sri.ai.expresso.helper.Expressions.ZERO) SingleQuantifierEliminationProblem(com.sri.ai.grinder.api.SingleQuantifierEliminationProblem) LinkedHashSet(java.util.LinkedHashSet) Type(com.sri.ai.expresso.api.Type) DefaultSingleQuantifierEliminationProblem(com.sri.ai.grinder.core.solver.DefaultSingleQuantifierEliminationProblem) NullaryFunction(com.sri.ai.util.base.NullaryFunction) Util.join(com.sri.ai.util.Util.join) Expressions.getVariablesBeingReferenced(com.sri.ai.expresso.helper.Expressions.getVariablesBeingReferenced) Collection(java.util.Collection) Util.list(com.sri.ai.util.Util.list) DefaultMultiVariableConstraint(com.sri.ai.grinder.core.constraint.DefaultMultiVariableConstraint) Set(java.util.Set) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression) AssignmentMapsIterator(com.sri.ai.grinder.helper.AssignmentMapsIterator) Assignment(com.sri.ai.grinder.interpreter.Assignment) Beta(com.google.common.annotations.Beta) Theory(com.sri.ai.grinder.api.Theory) Expressions.makeSymbol(com.sri.ai.expresso.helper.Expressions.makeSymbol) SingleVariableConstraint(com.sri.ai.grinder.api.SingleVariableConstraint) Simplifier(com.sri.ai.grinder.rewriter.api.Simplifier) Util(com.sri.ai.util.Util) Util.pickKElementsWithoutReplacement(com.sri.ai.util.Util.pickKElementsWithoutReplacement) TRUE(com.sri.ai.expresso.helper.Expressions.TRUE) Constraint(com.sri.ai.grinder.api.Constraint) DefaultMultiVariableConstraint(com.sri.ai.grinder.core.constraint.DefaultMultiVariableConstraint) SingleVariableConstraint(com.sri.ai.grinder.api.SingleVariableConstraint) Constraint(com.sri.ai.grinder.api.Constraint) Expression(com.sri.ai.expresso.api.Expression) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression)

Example 4 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class SGDPLLTTester method runGroupProblemSolvingTestGivenConstraintAndProblem.

/**
 * @param problem
 * @param indices
 * @param constraint
 * @param body
 * @param testAgainstBruteForce
 * @param theoryTestingSupport
 * @param context
 * @throws Error
 */
public static void runGroupProblemSolvingTestGivenConstraintAndProblem(Expression problem, Collection<Expression> indices, Constraint constraint, Expression body, boolean testAgainstBruteForce, TheoryTestingSupport theoryTestingSupport, Context context) throws Error {
    Theory theory = theoryTestingSupport.getTheory();
    Collection<Expression> freeVariables = getFreeVariableMinusIndices(indices, constraint, body, context);
    String problemDescription = problem.toString();
    output(problemDescription);
    Simplifier symbolicInterpreter = (e, c) -> theory.evaluate(e, c);
    long start = System.currentTimeMillis();
    Expression symbolicSolution = symbolicInterpreter.apply(problem, context);
    long time = System.currentTimeMillis() - start;
    output("Symbolic solution: " + symbolicSolution);
    output("Computed in " + time + " ms");
    if (Util.thereExists(new SubExpressionsDepthFirstIterator(symbolicSolution), e -> e instanceof QuantifiedExpression || Sets.isIntensionalSet(e))) {
        throw new Error("Symbolic solution is not quantifier-free: " + symbolicSolution);
    }
    if (testAgainstBruteForce) {
        BinaryFunction<BruteForceCommonInterpreter, Context, Expression> bruteForceSolutionGivenInterpreterAndContextWithAssignmentToOtherVariables = (i, c) -> i.apply(problem, c);
        testSymbolicVsBruteForceComputationForEachAssignment(theory, problemDescription, freeVariables, symbolicSolution, bruteForceSolutionGivenInterpreterAndContextWithAssignmentToOtherVariables, context);
    // A more elegant approach would be to create a "for all free variables : symbolic = problem" expression
    // and solve it by brute force instead of using testSymbolicVsBruteForceComputation
    // which replicates the brute force interpreter to some extent.
    // The reason we do not do this is simply due to the fact that the brute force interpreter would return "false"
    // in case of failure, without indicating which assignment failed, which is very useful for debugging.
    // If interpreters, and in fact the whole framework, provided proofs of its calculations,
    // then we could simply use the more elegant approach.
    } else {
        output("Skipping test againt brute-force.");
    }
}
Also used : BinaryFunction(com.sri.ai.util.base.BinaryFunction) Util.removeFromSetNonDestructively(com.sri.ai.util.Util.removeFromSetNonDestructively) SubExpressionsDepthFirstIterator(com.sri.ai.expresso.helper.SubExpressionsDepthFirstIterator) Expression(com.sri.ai.expresso.api.Expression) Sets(com.sri.ai.grinder.library.set.Sets) Function(java.util.function.Function) GrinderUtil(com.sri.ai.grinder.helper.GrinderUtil) And(com.sri.ai.grinder.library.boole.And) Util.in(com.sri.ai.util.Util.in) AssociativeCommutativeGroup(com.sri.ai.grinder.group.AssociativeCommutativeGroup) BruteForceCommonInterpreter(com.sri.ai.grinder.interpreter.BruteForceCommonInterpreter) IndexExpressions(com.sri.ai.grinder.library.indexexpression.IndexExpressions) Expressions.parse(com.sri.ai.expresso.helper.Expressions.parse) Map(java.util.Map) ThereExists(com.sri.ai.grinder.library.boole.ThereExists) Context(com.sri.ai.grinder.api.Context) ZERO(com.sri.ai.expresso.helper.Expressions.ZERO) SingleQuantifierEliminationProblem(com.sri.ai.grinder.api.SingleQuantifierEliminationProblem) LinkedHashSet(java.util.LinkedHashSet) Type(com.sri.ai.expresso.api.Type) DefaultSingleQuantifierEliminationProblem(com.sri.ai.grinder.core.solver.DefaultSingleQuantifierEliminationProblem) NullaryFunction(com.sri.ai.util.base.NullaryFunction) Util.join(com.sri.ai.util.Util.join) Expressions.getVariablesBeingReferenced(com.sri.ai.expresso.helper.Expressions.getVariablesBeingReferenced) Collection(java.util.Collection) Util.list(com.sri.ai.util.Util.list) DefaultMultiVariableConstraint(com.sri.ai.grinder.core.constraint.DefaultMultiVariableConstraint) Set(java.util.Set) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression) AssignmentMapsIterator(com.sri.ai.grinder.helper.AssignmentMapsIterator) Assignment(com.sri.ai.grinder.interpreter.Assignment) Beta(com.google.common.annotations.Beta) Theory(com.sri.ai.grinder.api.Theory) Expressions.makeSymbol(com.sri.ai.expresso.helper.Expressions.makeSymbol) SingleVariableConstraint(com.sri.ai.grinder.api.SingleVariableConstraint) Simplifier(com.sri.ai.grinder.rewriter.api.Simplifier) Util(com.sri.ai.util.Util) Util.pickKElementsWithoutReplacement(com.sri.ai.util.Util.pickKElementsWithoutReplacement) TRUE(com.sri.ai.expresso.helper.Expressions.TRUE) Constraint(com.sri.ai.grinder.api.Constraint) Context(com.sri.ai.grinder.api.Context) CompleteMultiVariableContext(com.sri.ai.grinder.core.constraint.CompleteMultiVariableContext) BruteForceCommonInterpreter(com.sri.ai.grinder.interpreter.BruteForceCommonInterpreter) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression) Theory(com.sri.ai.grinder.api.Theory) Expression(com.sri.ai.expresso.api.Expression) QuantifiedExpression(com.sri.ai.expresso.api.QuantifiedExpression) Simplifier(com.sri.ai.grinder.rewriter.api.Simplifier) SubExpressionsDepthFirstIterator(com.sri.ai.expresso.helper.SubExpressionsDepthFirstIterator)

Example 5 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class CompoundTheory method getAtomNegation.

@Override
public Expression getAtomNegation(Expression atom, Context context) {
    Theory theory = getFirstSatisfyingPredicateOrNull(getSubTheories(), t -> t.isLiteralOrBooleanConstant(atom, context));
    Expression result;
    if (theory == null) {
        result = Not.make(atom);
    } else {
        result = theory.getAtomNegation(atom, context);
    }
    return result;
}
Also used : Theory(com.sri.ai.grinder.api.Theory) AbstractTheory(com.sri.ai.grinder.core.constraint.AbstractTheory) Expression(com.sri.ai.expresso.api.Expression)

Aggregations

Theory (com.sri.ai.grinder.api.Theory)46 Expression (com.sri.ai.expresso.api.Expression)32 Context (com.sri.ai.grinder.api.Context)23 Type (com.sri.ai.expresso.api.Type)14 DifferenceArithmeticTheory (com.sri.ai.grinder.theory.differencearithmetic.DifferenceArithmeticTheory)9 Expressions.makeSymbol (com.sri.ai.expresso.helper.Expressions.makeSymbol)7 SingleQuantifierEliminationProblem (com.sri.ai.grinder.api.SingleQuantifierEliminationProblem)7 SingleVariableConstraint (com.sri.ai.grinder.api.SingleVariableConstraint)7 TrueContext (com.sri.ai.grinder.core.TrueContext)7 DefaultSingleQuantifierEliminationProblem (com.sri.ai.grinder.core.solver.DefaultSingleQuantifierEliminationProblem)7 AssociativeCommutativeGroup (com.sri.ai.grinder.group.AssociativeCommutativeGroup)7 BruteForceCommonInterpreter (com.sri.ai.grinder.interpreter.BruteForceCommonInterpreter)7 IndexExpressions (com.sri.ai.grinder.library.indexexpression.IndexExpressions)7 CompoundTheory (com.sri.ai.grinder.theory.compound.CompoundTheory)7 EqualityTheory (com.sri.ai.grinder.theory.equality.EqualityTheory)7 Beta (com.google.common.annotations.Beta)6 IndexExpressionsSet (com.sri.ai.expresso.api.IndexExpressionsSet)6 QuantifiedExpression (com.sri.ai.expresso.api.QuantifiedExpression)6 TRUE (com.sri.ai.expresso.helper.Expressions.TRUE)6 ZERO (com.sri.ai.expresso.helper.Expressions.ZERO)6