expression
even assuming that ...; even if we suppose that ...
Used to introduce a hypothetical premise, often in logical or argumentative contexts. The clause before と仮定しても is the assumption, and the main clause states what follows even under that assumption.
彼が犯人だと仮定しても、動機がわからない。
Even assuming he is the culprit, the motive is unclear.
予算が十分だと仮定しても、この計画は難しい。
Even if we suppose the budget is sufficient, this plan is difficult.