Module `Literal.View`

Specific views

val as_eqn : t -> (term * term * bool) option

val get_eqn : t -> Position.t -> (term * term * bool) option

View of a Prop or Equation literal, oriented by the position. If the position selects its left term, return l, r, otherwise r, l. for propositions it will always be p, true.

returns: None for other literals

raises Invalid_argument: if the position doesn't match the literal.

val get_lhs : t -> term option
val get_rhs : t -> term option