def unify(self, other, bindings=None, used=None, skipped=None, debug=False):
        if bindings is None: bindings = BindingDict()
        if used is None: used = ([],[])
        if skipped is None: skipped = ([],[])
        if isinstance(debug, bool): debug = DebugObject(debug)

        newclauses = _iterate_first(self, other, bindings, used, skipped, _complete_unify_path, debug)

        #remove subsumed clauses.  make a list of all indices of subsumed
        #clauses, and then remove them from the list
        subsumed = []
        for i, c1 in enumerate(newclauses):
            if i not in subsumed:
                for j, c2 in enumerate(newclauses):
                    if i!=j and j not in subsumed and c1.subsumes(c2):
                        subsumed.append(j)
        result = []
        for i in range(len(newclauses)):
            if i not in subsumed:
                result.append(newclauses[i])

        return result
Attempt to unify this Clause with the other, returning a list of
dataset/ETHPy150Open nltk/nltk/nltk/inference/resolution.py/Clause.unify