Theorem Finsupp.sym2_support_eq_preimage_support_mul

Modification history

2025-04-06 22:22
Mathlib/Data/Sym/Sym2/Finsupp.lean
feat(LinearAlgebra/QuadraticForm/Basis): basis expansion of a quadratic map (#18578) …
Added Finsupp.sym2_support_eq_preimage_support_mulView on Github →