Kalimat 1: Saterusna equalizer deui sakabeh domain `` X'', saprak quantification universal dina definisi anu vacuously leres. Kalimat 2: Lajeng equalizer nu deui sakabeh domain `` X'', saprak quantification universal nyaeta vakum-cocog dina harti. Pananya: Naha Kalimah 1 jeung Kalimah 2 sarua hartina? Enya atawa Henteu?
Henteu