《宋史·列传·卷九十九》
假使先帝不死，陛下还是皇子，那么安懿称伯，在义理上没有疑问。
设使先帝万寿，陛下犹为皇子，则安懿之称伯，于理不疑。
If the late emperor did not pass away, and Your Majesty was still the prince, then An Yi being addressed as uncle would have been right.