Examples with BudgetValue nars.entity.BudgetValue used on opensource projects

Example 51 with BudgetValue

use of nars.entity.BudgetValue in project opennars by opennars.

the class StructuralRules method transformSetRelation.

/* -------------------- set transform -------------------- */
/**
 * {<S --> {P}>} |- <S <-> {P}>
 *
 * @param compound The set compound
 * @param statement The premise
 * @param side The location of the indicated term in the premise
 * @param nal Reference to the memory
 */
static void transformSetRelation(CompoundTerm compound, Statement statement, short side, DerivationContext nal) {
    if (compound.size() > 1) {
        return;
    }
    if (statement instanceof Inheritance) {
        if (((compound instanceof SetExt) && (side == 0)) || ((compound instanceof SetInt) && (side == 1))) {
            return;
        }
    }
    Term sub = statement.getSubject();
    Term pre = statement.getPredicate();
    Statement content;
    if (statement instanceof Inheritance) {
        content = Similarity.make(sub, pre);
    } else {
        if (((compound instanceof SetExt) && (side == 0)) || ((compound instanceof SetInt) && (side == 1))) {
            content = Inheritance.make(pre, sub);
        } else {
            content = Inheritance.make(sub, pre);
        }
    }
    if (content == null) {
        return;
    }
    Task task = nal.getCurrentTask();
    Sentence sentence = task.sentence;
    TruthValue truth = sentence.truth;
    BudgetValue budget;
    if (sentence.isJudgment()) {
        budget = BudgetFunctions.compoundForward(truth, content, nal);
    } else {
        budget = BudgetFunctions.compoundBackward(content, nal);
    }
    nal.singlePremiseTask(content, truth, budget);
}

Example 52 with BudgetValue

use of nars.entity.BudgetValue in project opennars by opennars.

the class StructuralRules method structuralStatement.

/**
 * Common final operations of the above two methods
 *
 * @param subject The subject of the new task
 * @param predicate The predicate of the new task
 * @param truth The truth value of the new task
 * @param nal Reference to the memory
 */
private static void structuralStatement(Term subject, Term predicate, int order, TruthValue truth, DerivationContext nal) {
    Task task = nal.getCurrentTask();
    Term oldContent = task.getTerm();
    if (oldContent instanceof Statement) {
        Statement content = Statement.make((Statement) oldContent, subject, predicate, order);
        if (content != null) {
            BudgetValue budget = BudgetFunctions.compoundForward(truth, content, nal);
            nal.singlePremiseTask(content, truth, budget);
        }
    }
}

Example 53 with BudgetValue

use of nars.entity.BudgetValue in project opennars by opennars.

the class StructuralRules method structuralCompose2.

/* -------------------- transform between compounds and term -------------------- */
/**
 * {<S --> P>, S@(S&T)} |- <(S&T) --> (P&T)> {<S --> P>, S@(M-S)} |- <(M-P)
 * --> (M-S)>
 *
 * @param compound The compound term
 * @param index The location of the indicated term in the compound
 * @param statement The premise
 * @param side The location of the indicated term in the premise
 * @param nal Reference to the memory
 */
static void structuralCompose2(CompoundTerm compound, short index, Statement statement, short side, DerivationContext nal) {
    if (compound.equals(statement.term[side])) {
        return;
    }
    Term sub = statement.getSubject();
    Term pred = statement.getPredicate();
    List<Term> components = compound.asTermList();
    if (((side == 0) && components.contains(pred)) || ((side == 1) && components.contains(sub))) {
        return;
    }
    if (side == 0) {
        if (components.contains(sub)) {
            sub = compound;
            components.set(index, pred);
            pred = Terms.term(compound, components);
        }
    } else {
        if (components.contains(pred)) {
            components.set(index, sub);
            sub = Terms.term(compound, components);
            pred = compound;
        }
    }
    if ((sub == null) || (pred == null))
        return;
    Statement content;
    int order = statement.getTemporalOrder();
    if (switchOrder(compound, index)) {
        content = Statement.make(statement, pred, sub, TemporalRules.reverseOrder(order));
    } else {
        content = Statement.make(statement, sub, pred, order);
    }
    if (content == null)
        return;
    Sentence sentence = nal.getCurrentTask().sentence;
    TruthValue truth = TruthFunctions.deduction(sentence.truth, Parameters.reliance);
    BudgetValue budget = BudgetFunctions.compoundForward(truth, content, nal);
    nal.singlePremiseTask(content, truth, budget);
}

Example 54 with BudgetValue

use of nars.entity.BudgetValue in project opennars by opennars.

the class StructuralRules method transformPredicatePI.

/**
 * Equivalent transformation between products and images when the predicate
 * is a compound {<(*, S, M) --> P>, S@(*, S, M)} |- <S --> (/, P, _, M)>
 * {<S --> (/, P, _, M)>, P@(/, P, _, M)} |- <(*, S, M) --> P> {<S --> (/,
 * P, _, M)>, M@(/, P, _, M)} |- <M --> (/, P, S, _)>
 *
 * @param subject The subject term
 * @param predicate The predicate term
 * @param nal Reference to the memory
 */
private static void transformPredicatePI(short index, Term subject, CompoundTerm predicate, DerivationContext nal) {
    TruthValue truth = nal.getCurrentTask().sentence.truth;
    BudgetValue budget;
    Inheritance inheritance;
    Term newSubj, newPred;
    if (predicate instanceof Product) {
        Product product = (Product) predicate;
        short i = index;
        /*for (short i = 0; i < product.size(); i++)*/
        {
            newSubj = ImageInt.make(product, subject, i);
            newPred = product.term[i];
            inheritance = Inheritance.make(newSubj, newPred);
            if (inheritance != null) {
                if (truth == null) {
                    budget = BudgetFunctions.compoundBackward(inheritance, nal);
                } else {
                    budget = BudgetFunctions.compoundForward(truth, inheritance, nal);
                }
                nal.singlePremiseTask(inheritance, truth, budget);
            }
        }
    } else if (predicate instanceof ImageExt) {
        ImageExt image = (ImageExt) predicate;
        int relationIndex = image.relationIndex;
        for (short i = 0; i < image.size(); i++) {
            if (i == relationIndex) {
                newSubj = Product.make(image, subject, relationIndex);
                newPred = image.term[relationIndex];
            } else {
                newSubj = image.term[i];
                newPred = ImageExt.make(image, subject, i);
            }
            if (newSubj instanceof CompoundTerm && (newPred.equals(Term.SEQ_TEMPORAL) || newPred.equals(Term.SEQ_SPATIAL))) {
                Term seq = Conjunction.make(((CompoundTerm) newSubj).term, TemporalRules.ORDER_FORWARD, newPred.equals(Term.SEQ_SPATIAL));
                if (truth == null) {
                    budget = BudgetFunctions.compoundBackward(seq, nal);
                } else {
                    budget = BudgetFunctions.compoundForward(truth, seq, nal);
                }
                nal.singlePremiseTask(seq, truth, budget);
                return;
            }
            inheritance = Inheritance.make(newSubj, newPred);
            if (inheritance != null) {
                // jmv <<<<<
                if (truth == null) {
                    budget = BudgetFunctions.compoundBackward(inheritance, nal);
                } else {
                    budget = BudgetFunctions.compoundForward(truth, inheritance, nal);
                }
                nal.singlePremiseTask(inheritance, truth, budget);
            }
        }
    }
}

Example 55 with BudgetValue

use of nars.entity.BudgetValue in project opennars by opennars.

the class StructuralRules method structuralCompound.

/* --------------- Disjunction and Conjunction transform --------------- */
/**
 * {(&&, A, B), A@(&&, A, B)} |- A, or answer (&&, A, B)? using A {(||, A,
 * B), A@(||, A, B)} |- A, or answer (||, A, B)? using A
 *
 * @param compound The premise
 * @param component The recognized component in the premise
 * @param compoundTask Whether the compound comes from the task
 * @param nal Reference to the memory
 */
static boolean structuralCompound(CompoundTerm compound, Term component, boolean compoundTask, int index, DerivationContext nal) {
    if (compound instanceof Conjunction) {
        if (nal.getCurrentTask().getTerm() == compound) {
            // only for # for now, will be gradually applied to &/ later
            Conjunction conj = (Conjunction) compound;
            if (conj.getTemporalOrder() == TemporalRules.ORDER_FORWARD && conj.isSpatial) {
                // and some also to && &|
                // flattenSequence(compound, component, compoundTask, index, nal);
                groupSequence(compound, component, compoundTask, index, nal);
                // takeOutFromConjunction(compound, component, compoundTask, index, nal);
                splitConjunctionApart(compound, component, compoundTask, index, nal);
            }
            if (conj.getTemporalOrder() == TemporalRules.ORDER_FORWARD) {
                seqToImage(conj, index, nal);
            }
        }
    }
    if (component.hasVarIndep()) {
        // moved down here since flattening also works when indep
        return false;
    }
    // and also for &/ with index > 0
    if ((compound instanceof Conjunction) && !compound.getIsSpatial() && (compound.getTemporalOrder() == TemporalRules.ORDER_FORWARD) && (index != 0)) {
        return false;
    }
    final Term content = compoundTask ? component : compound;
    Task task = nal.getCurrentTask();
    Sentence sentence = task.sentence;
    TruthValue truth = sentence.truth;
    final float reliance = Parameters.reliance;
    BudgetValue budget;
    if (sentence.isQuestion() || sentence.isQuest()) {
        budget = BudgetFunctions.compoundBackward(content, nal);
    } else {
        // [03:25] <patham9> <a --> b>.     (&&,<a --> b>,<x --> y>).   =>    <x --> y>
        if ((sentence.isJudgment() || sentence.isGoal()) && ((!compoundTask && compound instanceof Disjunction) || (compoundTask && compound instanceof Conjunction))) {
            truth = TruthFunctions.deduction(truth, reliance);
        } else {
            TruthValue v1, v2;
            v1 = TruthFunctions.negation(truth);
            v2 = TruthFunctions.deduction(v1, reliance);
            truth = TruthFunctions.negation(v2);
        }
        budget = BudgetFunctions.forward(truth, nal);
    }
    return nal.singlePremiseTask(content, truth, budget);
}