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**Proving Bravais Lattice Volume?!?**

Hi guys,

So with a Bravais lattice, you have 3 basis vectors: a1, a2, and a3.

I know that you would get the volume of the lattice as a scalar product of the three: V = a1 dot [a2 x a3].

How would you start going about PROVING this? A little direction to start would be helpful.

Thanks!