Premise: The Ramban Synagogue on Rehov HaYehudim is the oldest house of worship still standing in the quarter, its site consecrated by Rabbi Moshe Nahmanides when he re-established the Jewish community here in 1267 after the Crusader wars had left Jerusalem depopulated and in ruins.

Hypothesis: The Ramban Synagogue is one of the newest buildings in the quarter.
Relation: contradiction