The KIF vocabulary for representing metalinguistic knowledge.
Kif-Lists Kif-Sets
Parametric-Constraints
Expression
Sentence
Analytic-Truth
Logconst
Logsent
Conjunction
Disjunction
Equivalence
Implication
Negation
Reverse-Implication
Quantsent
Relsent
Equation
Inequality
Truth
Word
Constant
Funconst
Objconst
Relconst
Operator
Defop
Ruleop
Sentop
Termop
Variable
Indvar
Seqvar
Term
Constant ...
Funterm
Listterm
Logterm
Operator ...
Quanterm
Quoterm
Setterm
Variable ...
Defining-Axiom
Denotation Name
Analytic-Truth Conjunction Constant Defop Disjunction Equation Equivalence Expression Funconst Funterm Implication Indvar Inequality Listterm Logconst Logsent Logterm Negation Objconst Operator Quanterm Quantsent Quoterm Relconst Relsent Reverse-Implication Ruleop Sentence Sentop Seqvar Setterm Term Termop Truth Variable Word
All constants that were mentioned were defined.