[444] Is "I shall come to know the unknown" a faculty (indriya)? — Yes.
Are faculties the "I shall come to know the unknown" faculty (anaññātaññassāmītindriya)? — The "I shall come to know the unknown" faculty is both a faculty and the "I shall come to know the unknown" faculty; the remaining faculties are faculties, not the "I shall come to know the unknown" faculty.
Is perfect knowledge (aññā) a faculty? — Yes.
Are faculties the perfect-knowledge faculty (aññindriya)? — The perfect-knowledge faculty is both a faculty and the perfect-knowledge faculty; the remaining faculties are faculties, not the perfect-knowledge faculty.
Is the perfect knower (aññātāvī) a faculty? — Yes.
Are faculties the perfect-knower faculty (aññātāvindriya)? — The perfect-knower faculty is both a faculty and the perfect-knower faculty; the remaining faculties are faculties, not the perfect-knower faculty.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.