Learn Dutch: Hij meent de fout ontdekt te hebben en wil iedereen corrigeren. - He claims to have discovered the mistake and wants to correct everyone.

While menen often translates to "to be of the opinion" or "to mean (seriously)", when it is paired with te + infinitive, it expresses that the subject firmly believes or subjectively claims something to be true. Hij meent ... te hebben means he genuinely believes (and thus claims) he has done it.

Could I use beweren instead of menen in this sentence?

Yes, Hij beweert de fout ontdekt te hebben is grammatically perfect and also translates to "He claims to have discovered the mistake." The difference is nuance: beweren focuses on the outward, verbal statement (which the speaker might doubt), while menen highlights his strong internal conviction.

How does the word order work in the phrase ontdekt te hebben?

This is a perfect infinitive ("to have discovered"). In Dutch, the past participle (ontdekt) typically sits right before the te + infinitive auxiliary (te hebben). While you might sometimes encounter te hebben ontdekt, placing the participle first (ontdekt te hebben) is the standard and most natural-sounding order.

Why is there no subject or te in the second half of the sentence (en wil iedereen corrigeren)?