How to work with exterior powers of exterior powers?
I know Sage lets me work with exterior powers. I want to work with exterior powers of exterior powers: for example, for a vector space V, we can take ⋀2⋀2V. In this space, (a∧b)∧(a∧b)=0 but (a∧b)∧(a∧c)≠0.
Is there a way work in a space like this in Sage? If not, can someone help me get started?