naca gṛhītagrāhitvād aprāmaṇam, yataḥ kiṃ vahnirāste parinivṛtto veti sandehavinivṛtter adhikāyā vidyamānatvāt
And this [inference] is not invalid due to [merely] grasping what was [already] grasped, because there exists an additional [element] in the form of removing the doubt as to whether the fire still remains or has ceased.