Sum of any finitely many nil left ideals of A is also a nil left ideal of A.

的任意有限多个诣零左理想之和仍为A的诣零左理想；

youdao

Sum of any finitely many nil left ideals of A is also a nil left ideal of A.

的任意有限多个诣零左理想之和仍为A的诣零左理想；

youdao