Examples with Conjunction nars.language.Conjunction used on opensource projects

Example 21 with Conjunction

use of nars.language.Conjunction in project opennars by opennars.

the class StructuralRules method transformProductImage.

/* -------------------- products and images transform -------------------- */
/**
 * Equivalent transformation between products and images {<(*, 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 inh An Inheritance statement
 * @param oldContent The whole content
 * @param indices The indices of the TaskLink
 * @param task The task
 * @param memory Reference to the memory
 */
static void transformProductImage(Inheritance inh, CompoundTerm oldContent, short[] indices, DerivationContext nal) {
    final Memory memory = nal.mem();
    Term subject = inh.getSubject();
    Term predicate = inh.getPredicate();
    short index = indices[indices.length - 1];
    short side = indices[indices.length - 2];
    if (inh.equals(oldContent)) {
        if (subject instanceof CompoundTerm) {
            transformSubjectPI(index, (CompoundTerm) subject, predicate, nal);
        }
        if (predicate instanceof CompoundTerm) {
            transformPredicatePI(index, subject, (CompoundTerm) predicate, nal);
        }
        return;
    }
    Term compT = inh.term[side];
    if (!(compT instanceof CompoundTerm))
        return;
    CompoundTerm comp = (CompoundTerm) compT;
    if (comp instanceof Product) {
        if (side == 0) {
            subject = comp.term[index];
            predicate = ImageExt.make((Product) comp, inh.getPredicate(), index);
        } else {
            subject = ImageInt.make((Product) comp, inh.getSubject(), index);
            predicate = comp.term[index];
        }
    } else if ((comp instanceof ImageExt) && (side == 1)) {
        if (index == ((ImageExt) comp).relationIndex) {
            subject = Product.make(comp, inh.getSubject(), index);
            predicate = comp.term[index];
        } else {
            subject = comp.term[index];
            predicate = ImageExt.make((ImageExt) comp, inh.getSubject(), index);
        }
    } else if ((comp instanceof ImageInt) && (side == 0)) {
        if (index == ((ImageInt) comp).relationIndex) {
            subject = comp.term[index];
            predicate = Product.make(comp, inh.getPredicate(), index);
        } else {
            subject = ImageInt.make((ImageInt) comp, inh.getPredicate(), index);
            predicate = comp.term[index];
        }
    } else {
        return;
    }
    CompoundTerm newInh = null;
    if (predicate.equals(Term.SEQ_SPATIAL)) {
        newInh = (CompoundTerm) Conjunction.make(((CompoundTerm) subject).term, TemporalRules.ORDER_FORWARD, true);
    } else if (predicate.equals(Term.SEQ_TEMPORAL)) {
        newInh = (CompoundTerm) Conjunction.make(((CompoundTerm) subject).term, TemporalRules.ORDER_FORWARD, false);
    } else {
        newInh = Inheritance.make(subject, predicate);
    }
    if (newInh == null)
        return;
    CompoundTerm content = null;
    if (indices.length == 2) {
        content = newInh;
    } else if ((oldContent instanceof Statement) && (indices[0] == 1)) {
        content = Statement.make((Statement) oldContent, oldContent.term[0], newInh, oldContent.getTemporalOrder());
    } else {
        Term[] componentList;
        Term condition = oldContent.term[0];
        if (((oldContent instanceof Implication) || (oldContent instanceof Equivalence)) && (condition instanceof Conjunction)) {
            componentList = ((CompoundTerm) condition).cloneTerms();
            componentList[indices[1]] = newInh;
            Term newCond = Terms.term((CompoundTerm) condition, componentList);
            content = Statement.make((Statement) oldContent, newCond, ((Statement) oldContent).getPredicate(), oldContent.getTemporalOrder());
        } else {
            componentList = oldContent.cloneTerms();
            componentList[indices[0]] = newInh;
            if (oldContent instanceof Conjunction) {
                Term newContent = Terms.term(oldContent, componentList);
                if (!(newContent instanceof CompoundTerm))
                    return;
                content = (CompoundTerm) newContent;
            } else if ((oldContent instanceof Implication) || (oldContent instanceof Equivalence)) {
                content = Statement.make((Statement) oldContent, componentList[0], componentList[1], oldContent.getTemporalOrder());
            }
        }
    }
    if (content == null)
        return;
    Sentence sentence = nal.getCurrentTask().sentence;
    TruthValue truth = sentence.truth;
    BudgetValue budget;
    if (sentence.isQuestion() || sentence.isQuest()) {
        budget = BudgetFunctions.compoundBackward(content, nal);
    } else {
        budget = BudgetFunctions.compoundForward(truth, content, nal);
    }
    nal.singlePremiseTask(content, truth, budget);
}

Example 22 with Conjunction

use of nars.language.Conjunction in project opennars by opennars.

the class SyllogisticRules method abdIndCom.

/**
 * {<M ==> S>, <M ==> P>} |- {<S ==> P>, <P ==> S>, <S <=> P>}
 *
 * @param term1 Subject of the first new task
 * @param term2 Predicate of the first new task
 * @param sentence1 The first premise
 * @param sentence2 The second premise
 * @param figure Locations of the shared term in premises --- can be
 * removed?
 * @param nal Reference to the memory
 */
static void abdIndCom(Term term1, Term term2, final Sentence sentence1, final Sentence sentence2, final int figure, final DerivationContext nal) {
    if (Statement.invalidStatement(term1, term2) || Statement.invalidPair(term1, term2)) {
        return;
    }
    int order1 = sentence1.term.getTemporalOrder();
    int order2 = sentence2.term.getTemporalOrder();
    int order = abdIndComOrder(order1, order2);
    Statement taskContent = (Statement) sentence1.term;
    TruthValue truth1 = null;
    TruthValue truth2 = null;
    TruthValue truth3 = null;
    BudgetValue budget1, budget2, budget3;
    TruthValue value1 = sentence1.truth;
    TruthValue value2 = sentence2.truth;
    if (sentence1.isQuestion()) {
        budget1 = BudgetFunctions.backward(value2, nal);
        budget2 = BudgetFunctions.backwardWeak(value2, nal);
        budget3 = BudgetFunctions.backward(value2, nal);
    } else if (sentence1.isQuest()) {
        budget1 = BudgetFunctions.backwardWeak(value2, nal);
        budget2 = BudgetFunctions.backward(value2, nal);
        budget3 = BudgetFunctions.backwardWeak(value2, nal);
    } else {
        if (sentence1.isGoal()) {
            // P --> S
            truth1 = TruthFunctions.desireStrong(value1, value2);
            // S --> P
            truth2 = TruthFunctions.desireWeak(value2, value1);
            // S <-> P
            truth3 = TruthFunctions.desireStrong(value1, value2);
        } else {
            // isJudgment
            // P --> S
            truth1 = TruthFunctions.abduction(value1, value2);
            // S --> P
            truth2 = TruthFunctions.abduction(value2, value1);
            // S <-> P
            truth3 = TruthFunctions.comparison(value1, value2);
        }
        budget1 = BudgetFunctions.forward(truth1, nal);
        budget2 = BudgetFunctions.forward(truth2, nal);
        budget3 = BudgetFunctions.forward(truth3, nal);
    }
    long delta2 = 0;
    while ((term2 instanceof Conjunction) && (((CompoundTerm) term2).term[0] instanceof Interval)) {
        Interval interval = (Interval) ((CompoundTerm) term2).term[0];
        delta2 += interval.time;
        term2 = ((CompoundTerm) term2).setComponent(0, null, nal.mem());
    }
    long delta1 = 0;
    while ((term1 instanceof Conjunction) && (((CompoundTerm) term1).term[0] instanceof Interval)) {
        Interval interval = (Interval) ((CompoundTerm) term1).term[0];
        delta1 += interval.time;
        term1 = ((CompoundTerm) term1).setComponent(0, null, nal.mem());
    }
    if (order != ORDER_INVALID) {
        nal.getTheNewStamp().setOccurrenceTime(delta1);
        nal.doublePremiseTask(Statement.make(taskContent, term1, term2, order), truth1, budget1, false, false);
        nal.getTheNewStamp().setOccurrenceTime(delta2);
        nal.doublePremiseTask(Statement.make(taskContent, term2, term1, reverseOrder(order)), truth2, budget2, false, false);
        nal.getTheNewStamp().setOccurrenceTime(delta1);
        nal.doublePremiseTask(Statement.makeSym(taskContent, term1, term2, order), truth3, budget3, false, false);
    }
    if (Parameters.BREAK_NAL_HOL_BOUNDARY && order1 == order2 && taskContent.isHigherOrderStatement() && sentence2.term.isHigherOrderStatement()) {
        /*  if(truth1!=null) 
                truth1=truth1.clone();
            if(truth2!=null) 
                truth2=truth2.clone();*/
        if (truth3 != null)
            truth3 = truth3.clone();
        /* nal.doublePremiseTask(
                Statement.make(NativeOperator.INHERITANCE, term1, term2), 
                    truth1, budget1.clone(),false, false);
            nal.doublePremiseTask(
                Statement.make(NativeOperator.INHERITANCE, term2, term1), 
                    truth2, budget2.clone(),false, false);*/
        nal.doublePremiseTask(Statement.make(NativeOperator.SIMILARITY, term1, term2, TemporalRules.ORDER_NONE), truth3, budget3.clone(), false, false);
    }
}