Theorem tsum_mul_tsum_eq_tsum_sum_antidiagonal

Modification history

2023-03-05 07:28
Mathlib/Topology/Algebra/InfiniteSum/Ring.lean
feat: Port Topology.Algebra.InfiniteSum.Ring (#2640)
Added tsum_mul_tsum_eq_tsum_sum_antidiagonalView on Github →