Handle.FolSourceConfiguration for tactics based on first-order logic.
type config = {symb_P : Core.Term.sym;Encoding of propositions.
*)symb_T : Core.Term.sym;Encoding of types.
*)symb_or : Core.Term.sym;Disjunction(∨) symbol.
*)symb_and : Core.Term.sym;Conjunction(∧) symbol.
*)symb_imp : Core.Term.sym;Implication(⇒) symbol.
*)symb_bot : Core.Term.sym;Bot(⊥) symbol.
*)symb_top : Core.Term.sym;Top(⊤) symbol.
*)symb_not : Core.Term.sym;Not(¬) symbol.
*)symb_ex : Core.Term.sym;Exists(∃) symbol.
*)symb_all : Core.Term.sym;Forall(∀) symbol.
*)}Builtin configuration for propositional logic.
get_config ss pos build the configuration using ss.