Blindness in part ! Rom 11:25-26
25 For I would not, brethren, that ye should be ignorant of this mystery, lest ye should be wise in your own conceits; that blindness in part is happened to Israel, until the fulness of the Gentiles be come in.
26 And so all Israel shall be saved: as it is written, There shall come out of Sion the Deliverer, and shall turn away ungodliness from Jacob:
All Israel shall be saved, but not all national israel, only a remnant of that nation will be saved Rom 9:27
Rom 9:27
Esaias also crieth concerning Israel, Though the number of the children of Israel be as the sand of the sea, a remnant shall be saved:
So how can this promise that God shall save all Israel be fulfilled Isa 45:17
But Israel shall be saved in the Lord with an everlasting salvation: ye shall not be ashamed nor confounded world without end.
Well it had been a Mystery how this would occur. It would come to pass by God calling some Gentiles into Salvation
that blindness in part is happened to Israel, until the fulness of the Gentiles be come in.
This blindness continues until the fulness of the Gentiles come in, that is, when all the Gentiles in the world that God Chosen in Christ before the foundation of the world Eph 1:4 becomes saved, then in verse 26 it states that all Israel will be saved.
So its in this manner all Israel shall be saved
A combination of elect jews and elect gentiles constitute the All Israel God promised to save. Its the Church, the Body of Christ !