τίς οὖν ἡ ταύτης περιουσίαν → what is its chance of being saved
λᾶς: λᾶος, ὁ, λίθος, Ἀττ. συνῃρ. ἀντὶ λᾶας, ὃ ἴδε.
v. λᾶας.