module type Constructor = sig .. end
Signature for logical constructors.
val negation : Term.term -> Term.term
Negation of a term.
val conjunction : Term.term -> Term.term -> Term.term
Conjunction of two terms.
val disjunction : Term.term -> Term.term -> Term.term
Disjunction of two terms.
val equivalence : Term.term -> Term.term -> Term.term
Logical equivalence of two (Boolean) terms.
val difference : Term.term -> Term.term -> Term.term
Logical dis-equivalence of two (Boolean) terms.
val implication : Term.term -> Term.term -> Term.term
Implication of two terms.
val conditional : Term.term -> Term.term -> Term.term -> Term.term
Conditional expression: Boolean condition, and Boolean alternatives.
val equality : Term.term -> Term.term -> Term.term
Equality of two non-Boolean terms.
val ite : Term.term -> Term.term -> Term.term -> Term.term
Conditional expression: Boolean condition, non-Boolean alternatives.
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