irreducible proof

例句：

1. 1. The government's decision to invest in renewable energy isan irreducible proof of itscommitment to sustainability.
   政府投资可再生能源的决定是其对可持续发展承诺的不可动摇的证据。
2. 2. Thescientist presented a series of irreducible proofs that the earth was notflat.
   科学家提出了一系列不可推翻的证据，证明地球不是平的。
3. 3. The courtfound the defendant'sconfession to be irreducible proof of guilt.
   法院发现被告的供认是对其罪行的不可推翻的证据。