Vaisesika Sūtras
Vaisesika Sūtra 3.2.06
yajñadatta iti saṁnikarṣe pratyakṣa-abhāvāt dṛṣṭaṁ liṅgaṁ na vidyate ॥6॥
The indication of Yajñadatta in proximity is not perceived due to absence of direct perception.