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Ok, so one way to define a Bravais lattice is to say that each lattice point can be reached by

**R**= l

**a**

_{1}+m

**a**

_{2}+n

**a**

_{3}for some integer m, l and n. Obviously, this cannot be the case when we have a lattice with a basis.

But does that also mean that a lattice with a basis does

**not**have primitive vectors?