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supposing; even if; granting that; for argument's sake
temporarily; provisionally; for the time being
仮に失敗しても諦めません。
Even if I fail, I won't give up.
仮にこの計画が失敗したとしても諦めないつもりだ。
Even supposing this plan fails, I intend not to give up.
仮に彼の言うことが本当だとしたらどうなるだろう。
What would happen supposing what he says is true?