| Package | Description | 
|---|---|
| org.opennars.inference | The inference rules and control functions | 
| org.opennars.language | Term hierarchy in Narsese
 Open-NARS implements the following formal language, Narsese. | 
| org.opennars.operator | 
| Modifier and Type | Method | Description | 
|---|---|---|
| private static void | RuleTables. componentAndStatement(CompoundTerm compound,
                     short index,
                     Statement statement,
                     short side,
                     DerivationContext nal) | Inference between a component term (of the current term) and a statement | 
| private static void | RuleTables. compoundAndCompound(CompoundTerm taskTerm,
                   CompoundTerm beliefTerm,
                   int tindex,
                   int bindex,
                   DerivationContext nal) | Inference between two compound terms | 
| private static void | RuleTables. compoundAndSelf(CompoundTerm compound,
               Term component,
               boolean compoundTask,
               int index,
               DerivationContext nal) | Inference between a compound term and a component of it | 
| private static void | RuleTables. compoundAndStatement(CompoundTerm compound,
                    short index,
                    Statement statement,
                    short side,
                    Term beliefTerm,
                    DerivationContext nal) | Inference between a compound term and a statement | 
| private static void | CompositionalRules. decomposeCompound(CompoundTerm compound,
                 Term component,
                 Term term1,
                 int index,
                 boolean compoundTask,
                 int order,
                 DerivationContext nal) | {<(S|P) ==> M>, <P ==> M>} |- <S ==> M> | 
| (package private) static void | CompositionalRules. decomposeStatement(CompoundTerm compound,
                  Term component,
                  boolean compoundTask,
                  int index,
                  DerivationContext nal) | {(||, S, P), P} |- S {(&&, S, P), P} |- S | 
| private static void | CompositionalRules. eliminateVariableOfConditionAbductiveInner1(Sentence sentence,
                                           Sentence belief,
                                           DerivationContext nal,
                                           CompoundTerm s1,
                                           Map<Term,Term> res3,
                                           Term s12) | |
| private static void | CompositionalRules. eliminateVariableOfConditionAbductiveTryUnification1(Sentence sentence,
                                                    Sentence belief,
                                                    DerivationContext nal,
                                                    Term p1,
                                                    CompoundTerm p2,
                                                    Map<Term,Term> res3,
                                                    Map<Term,Term> res4) | |
| (package private) static void | SyllogisticRules. elimiVarDep(CompoundTerm compound,
           Term component,
           boolean compoundTask,
           DerivationContext nal) | {(&&, <#x() --> S>, <#x() --> P>>, <M --> P>} |- <M --> S> | 
| (package private) static void | StructuralRules. flattenSequence(CompoundTerm compound,
               Term component,
               boolean compoundTask,
               int index,
               DerivationContext nal) | {(#,(#,A,B),C), (#,A,B)@(#,(#,A,B), C)} |- (#,A,B,C)
 (same for &/) | 
| (package private) static void | StructuralRules. groupSequence(CompoundTerm compound,
             Term component,
             boolean compoundTask,
             int index,
             DerivationContext nal) | {(#,A,B,C,D,E), C@(#,A,B,C,D,E)} |- (#,(#,A,B),C,D,E), (#,A,B,C,(#,D,E))
 Group sequence left and right
 Works for all conjunctions | 
| (package private) static boolean | CompositionalRules. introVarInner(Statement premise1,
             Statement premise2,
             CompoundTerm oldCompound,
             DerivationContext nal) | {<M --> S>, <C ==> <M --> P>>} |- <(&&, <#x --> S>, C) ==> <#x --> P>>
  {<M --> S>, (&&, C, <M --> P>)} |- (&&, C, <<#x --> S> ==> <#x --> P>>) | 
| (package private) static void | StructuralRules. splitConjunctionApart(CompoundTerm compound,
                     Term component,
                     boolean compoundTask,
                     int index,
                     DerivationContext nal) | {(#,A,B,C,D,E), C@(#,A,B,C,D,E)} |- (#,A,B,C), (#,C,D,E)
 Works for all conjunctions | 
| (package private) static void | StructuralRules. structuralCompose1(CompoundTerm compound,
                  short index,
                  Statement statement,
                  DerivationContext nal) | {<S --> P>, P@(P|Q)} |- <S --> (P|Q)> | 
| (package private) static void | StructuralRules. structuralCompose2(CompoundTerm compound,
                  short index,
                  Statement statement,
                  short side,
                  DerivationContext nal) | {<S --> P>, S@(S&T)} |- <(S&T) --> (P&T)>
  {<S --> P>, S@(M-S)} |- <(M-P) --> (M-S)> | 
| (package private) static boolean | StructuralRules. structuralCompound(CompoundTerm compound,
                  Term component,
                  boolean compoundTask,
                  int index,
                  DerivationContext nal) | {(&&, A, B), A@(&&, A, B)} |- A,
  or answer (&&, A, B)? using A {(||, A, B), A@(||, A, B)} |- A, or answer (||, A, B)? using A | 
| (package private) static void | StructuralRules. structuralDecompose1(CompoundTerm compound,
                    short index,
                    Statement statement,
                    DerivationContext nal) | {<(S|T) --> P>, S@(S|T)} |- <S --> P>
  {<S --> (P&T)>, P@(P&T)} |- <S --> P> | 
| private static boolean | StructuralRules. switchOrder(CompoundTerm compound,
           short index) | List the cases where the direction of inheritance is revised in conclusion | 
| (package private) static void | StructuralRules. takeOutFromConjunction(CompoundTerm compound,
                      Term component,
                      boolean compoundTask,
                      int index,
                      DerivationContext nal) | {(&&,A,B,C), B@(&&,A,B,C)} |- (&&,A,C)
 Works for all conjunctions | 
| static void | StructuralRules. transformNegation(CompoundTerm content,
                 DerivationContext nal) | {A, A@(--, A)} |- (--, A) | 
| private static void | StructuralRules. transformPredicatePI(short index,
                    Term subject,
                    CompoundTerm predicate,
                    DerivationContext nal) | 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, _)> | 
| (package private) static void | StructuralRules. transformProductImage(Inheritance inh,
                     CompoundTerm oldContent,
                     short[] indices,
                     DerivationContext nal) | 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, _)> | 
| (package private) static void | StructuralRules. transformSetRelation(CompoundTerm compound,
                    Statement statement,
                    short side,
                    DerivationContext nal) | {<S --> {P}>} |- <S <-> {P}> | 
| private static void | StructuralRules. transformSubjectPI(short index,
                  CompoundTerm subject,
                  Term predicate,
                  DerivationContext nal) | Equivalent transformation between products and images when the subject 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, _)> | 
| Modifier and Type | Class | Description | 
|---|---|---|
| class  | Conjunction | Conjunction of statements as defined in the NARS-theory | 
| class  | DifferenceExt | A compound term whose extension is the difference of the extensions of its term as defined in the NARS-theory | 
| class  | DifferenceInt | A compound term whose extension is the difference of the intensions of its term as defined in the NARS-theory | 
| class  | Disjunction | A disjunction of Statements as defined in the NARS-theory | 
| class  | Equivalence | A Statement about an Equivalence relation as defined in the NARS-theory | 
| class  | Image | Generalization of Images as defined in the NARS-theory | 
| class  | ImageExt | An extension image as defined in the NARS-theory | 
| class  | ImageInt | An intension image as defined in the NARS-theory | 
| class  | Implication | A Statement about an Inheritance copula as defined in the NARS-theory | 
| class  | Inheritance | A Statement about an Inheritance relation as defined in the NARS-theory | 
| class  | IntersectionExt | A compound term whose extension is the intersection of the extensions of its term as defined in the NARS-theory | 
| class  | IntersectionInt | A compound term whose intension is the intersection of the extensions of its term as defined in the NARS-theory | 
| class  | Negation | A negation of a statement as defined in the NARS-theory | 
| class  | Product | A Product is a sequence of 1 or more terms as defined in the NARS-theory | 
| class  | SetExt | An extensionally defined set, which contains one or more instances as defined in the NARS-theory | 
| class  | SetInt | An intensionally defined set, which contains one or more instances defining the Term. | 
| class  | SetTensional | Base class for SetInt (intensional set) and SetExt (extensional set) | 
| class  | Similarity | A Statement about a Similarity relation as defined in the NARS-theory | 
| class  | Statement | A statement is a compound term as defined in the NARS-theory, consisting of a subject, a predicate, and a
 relation symbol in between. | 
| Modifier and Type | Method | Description | 
|---|---|---|
| CompoundTerm | CompoundTerm. applySubstituteToCompound(Map<Term,Term> substitute) | returns result of applySubstitute, if and only if it's a CompoundTerm. | 
| abstract CompoundTerm | CompoundTerm. clone() | clone method | 
| CompoundTerm | Product. clone(Term[] replaced) | |
| CompoundTerm | CompoundTerm. cloneDeep() | |
| CompoundTerm | CompoundTerm. cloneDeepVariables() | 
| Modifier and Type | Method | Description | 
|---|---|---|
| private static Term | Variables. applySubstituteAndRenameVariables(CompoundTerm t,
                                 Map<Term,Term> subs) | appliesSubstitute and renameVariables, resulting in a cloned object, 
  will not change this instance | 
| private static void | CompoundTerm. ExtractIntervals(Memory mem,
                List<Long> ivals,
                CompoundTerm comp) | |
| static Term | Product. make(CompoundTerm image,
    Term component,
    int index) | Try to make a Product from an ImageExt/ImageInt and a component. | 
| static List<TermLink> | Terms. prepareComponentLinks(List<TermLink> componentLinks,
                     short type,
                     CompoundTerm term) | Collect TermLink templates into a list, go down one level except in
 special cases | 
| static List<TermLink> | Terms. prepareComponentLinks(List<TermLink> componentLinks,
                     CompoundTerm ct) | |
| static Term | Terms. reduceComponentOneLayer(CompoundTerm compound,
                       Term component,
                       Memory memory) | |
| static Term | Terms. reduceComponents(CompoundTerm compound,
                Term component,
                Memory memory) | Try to remove a component from a compound | 
| static Term | Terms. reduceUntilLayer2(CompoundTerm _itself,
                 Term replacement,
                 Memory memory) | |
| private static void | CompoundTerm. ReplaceIntervals(CompoundTerm comp) | |
| static Term | Terms. term(CompoundTerm compound,
    Collection<Term> components) | |
| static Term | Terms. term(CompoundTerm compound,
    Term[] components) | Try to make a compound term from a template and a list of term | 
| static void | CompoundTerm. transformIndependentVariableToDependent(CompoundTerm T) | 
| Modifier and Type | Class | Description | 
|---|---|---|
| class  | Operation | An operation is interpreted as an Inheritance relation. | 
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