ἤ οὐκ οἴδατε κ.τ.λ. The point is that in a notorious case of a great apostasy there was no rejection by GOD, but a preservation of a remnant. So it is now.
ἐν Ἠλείᾳ “in the section which deals with Elijah,” S. H. q.v.
ἐντυγχάνει—κατὰ. Cf. Act 25:24 περί, 1 Mace. Rom 11:25 κατὰ; lit. approaches, and petitions, GOD against.…