# Math Formulas, Practice, Tests, Forums, Free Help

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Use inference rules on the following premises to prove that it is ∴ Y^W
W ∧ Z
¬X ∨ Y
---------
* Y ∧ W

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Searching for a valid proof of the abc Conjecture

Proof of Riemann Hypothesis

Riemann Hypothesis does not exist, himself has proved it

Why is Math your favourite subject?

Proof of Riemann Hypothesis

Riemann Hypothesis does not exist, himself has proved it

Why is Math your favourite subject?

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The website was created in September 2005.

It is visited by 14,000 - 23,000 people daily, mostly from USA, Bulgaria and Russia.

In 2011 was created a Russian version, and in 2015 Serbian.

It is visited by 14,000 - 23,000 people daily, mostly from USA, Bulgaria and Russia.

In 2011 was created a Russian version, and in 2015 Serbian.

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