 Invariant basis number (source code)

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= Invariant basis number
{wiki=Invariant_basis_number}

The Invariant Basis Number (IBN) is a concept associated with the study of vector spaces and modules in abstract algebra, particularly in the context of infinite-dimensional vector spaces or modules over a ring. The invariant basis number of a vector space or a module refers to the property that, regardless of the choice of basis, the cardinality of the basis remains the same.

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