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49 lines
980 B
OCaml
49 lines
980 B
OCaml
(*
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MSAT is free software, using the Apache license, see file LICENSE
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Copyright 2014 Guillaume Bury
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Copyright 2014 Simon Cruanes
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*)
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type var = string
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type formula = private
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| Prop of int
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| Equal of var * var
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| Distinct of var * var
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type t = formula
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type proof = unit
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val dummy : t
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val fresh : unit -> t
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val mk_prop : int -> t
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val mk_eq : var -> var -> t
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val mk_neq : var -> var -> t
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val neg : t -> t
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val norm : t -> t * bool
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val hash : t -> int
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val equal : t -> t -> bool
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val compare : t -> t -> int
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val label : t -> Hstring.t
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val add_label : Hstring.t -> t -> unit
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val print : Format.formatter -> t -> unit
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module Term : sig
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type t = var
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val hash : t -> int
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val equal : t -> t -> bool
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val compare : t -> t -> int
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val print : Format.formatter -> t -> unit
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end
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module Formula : sig
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type t = formula
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val hash : t -> int
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val equal : t -> t -> bool
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val compare : t -> t -> int
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val print : Format.formatter -> t -> unit
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end
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