上うえでは

expression

from the viewpoint of; according to

Used after a noun or clause to indicate a perspective, basis, or standard for judgment. Often translates as 'in terms of', 'based on', or 'judging from'.

• 法ほう律りつの上うえでは、それは違い法ほうだ。

  From a legal standpoint, that is illegal.

• 理り論ろんの上うえでは可か能のうだが、実じっ際さいには難むずかしい。

  It's possible in theory, but difficult in practice.