Contradiction with Romans 9:6
Romans 9:6 suggests that not all who are of Israel are true Israel, potentially conflicting with the idea of a temporary hardening to save all Israel indicated in Romans 11:25.
Romans 9:6: Not as though the word of God hath taken none effect. For they [are] not all Israel, which are of Israel:
Contradiction with Galatians 3:28
Galatians 3:28 speaks of no distinction between Jew and Greek, contradicting the idea of separate plans for Israel and Gentiles in Romans 11:25.
Galatians 3:28: There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female: for ye are all one in Christ Jesus.
Contradiction with Ephesians 2:14
Ephesians 2:14 talks about Christ breaking down the dividing wall between Jews and Gentiles, which might oppose the notion of Israel's temporary hardening.
Ephesians 2:14: For he is our peace, who hath made both one, and hath broken down the middle wall of partition [between us];
Contradiction with Romans 3:9
Romans 3:9 stresses that both Jews and Gentiles are all under sin, potentially conflicting with the distinct treatment of Israel suggested in Romans 11:25.
Romans 3:9: What then? are we better [than they]? No, in no wise: for we have before proved both Jews and Gentiles, that they are all under sin; [proved: Gr. charged]
Contradiction with John 4:22
John 4:22 states that salvation is from the Jews, which could contradict the temporary hardening of Israel indicated in Romans 11:25.
John 4:22: Ye worship ye know not what: we know what we worship: for salvation is of the Jews.
Paradox #1
The contradiction or conflict in Romans 11:25 could arise from the idea of partial hardening. It suggests a temporary insensitivity or disbelief among a group of people, which some might see as conflicting with the notion of free will or fairness. If a group is divinely hardened or blinded, it raises questions about their ability to choose their beliefs and actions freely.