Core.Unif_ruleSourceSymbols and signature for unification rules.
This module provides a signature to be used to handle unification rules. The signature is not attached to any real lambdapi file and is henceforth qualified to be a "ghost" signature.
Path of signature containing unificaton rules symbols.
Ghost signature holding the symbols used in unification rules.
Sig_state.create_sign).Sig_state.of_sign).unpack eqs transforms a term of the form cons (equiv t u) (cons (equiv v w) ...) into a list [(t,u); (v,w); ...].