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Ideas & learning · Developing

Bulgarian conjugation

Bulgarian conjugation is the creation of derived forms of a Bulgarian verb from its principal parts by inflection. It is affected by person, number, gender, tense, mood and voice. Bulgarian verbs are conventionally divid

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10 min
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86%
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Ideas & learning · Developing

Proofs of Fermat's little theorem

This article collects together a variety of proofs of Fermat's little theorem, which states that : a^p \equiv a \pmod p for every prime number p and every integer a (see modular arithmetic). Some of the proofs of Fermat'

Reading time
11 min
Complete text
18831 characters
Dictionary coverage
85%
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Ideas & learning · Developing

Proof that pi is irrational

In the 1760s, Johann Heinrich Lambert was the first to prove that the number is irrational, meaning it cannot be expressed as a fraction a/b, where a and b are both integers. In the 19th century, Charles Hermite found a

Reading time
8 min
Complete text
16059 characters
Dictionary coverage
81%
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