手早い答え
premissa は推論上の明確な前提、pressuposto はすでに当然視された基盤です。
確実な見分け方は、英語から訳す前に、その単語の働きを見きわめることです。
それぞれの単語の働き
premissa
premise
Use premissa for a proposition from which an argument formally reasons toward a conclusion.
pressuposto
presupposition or underlying assumption
Use pressuposto for something taken for granted before an argument, plan, or utterance proceeds.
選び方
- premissa: Choose premissa if the sentence points to a proposition from which an argument formally reasons toward a conclusion.
- pressuposto: Choose pressuposto if the sentence points to something taken for granted before an argument, plan, or utterance proceeds.
例文
A conclusão não decorre da primeira premissa.
The conclusion does not follow from the first premise.
O projeto parte do pressuposto de que haverá demanda.
The project assumes that there will be demand.
よくある落とし穴
A pressuposto can function as a premise, but many presuppositions remain unstated and need to be uncovered first.
文脈の中で練習する
自分の実生活から文を一つ選び、二回書いてみましょう。一度はpremissaで、もう一度はpressupostoで。どちらも成り立ちそうなら、意味の違いを言葉にしてみましょう。