- #1
mlarson9000
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Homework Statement
Let W1 and W2 be two subspaces of R^n. Prove that their intersection is also a subspace.
Homework Equations
The Attempt at a Solution
I know that in R^2 and R^3 the intersection would be the origin, which would be the zero vector, which would be a subspace, but I don't know how to make a general argument about this.