arthagatir nāpekṣya ityarthagatyanapekṣaṃ vākyaṃ, yena kevalena vākyamātreṇayadi sārthakaṃ vākyāntaramākṣipyate, tadā syād ākṣepo vaco 'ntare rātribhojanavākyād anyasyāpi vākyāntarasyākṣepaḥ prāpnoti /
A sentence "independent of what is expressed" means a sentence not depending on [its] meaning being understood; if by the mere sentence alone another meaningful sentence is indicated, then there would be indication of other statements - that is, the sentence about eating at night would result in indicating yet another sentence.