Make.SubsumptionIndexSourceFold on a set of indexed candidate clauses, that may subsume the given clause.
Fold on a set of indexed candidate clauses, that may be subsumed by the given clause
val retrieve_alpha_equiv :
t ->
Logtk.Index_intf.lits ->
Logtk.Index_intf.labels ->
C.t Iter.tRetrieve clauses that are potentially alpha-equivalent to the given clause
Retrieve clauses that are potentially alpha-equivalent to the given clause