`BookProof.ChapterAbelianDiagonalCountable.diagOp_comm` (d e : EllInf) : (diagOp d).comp (diagOp e) = (diagOp e).comp (diagOp d)

Initializing...

`BookProof.ChapterAbelianDiagonalCountable.diagOp_comm` (d e : EllInf) : (diagOp d).comp (diagOp e) = (diagOp e).comp (diagOp d) · Prove2Me