`BookProof.ChapterWeylSl2.Sl2Rep.cas_comm_apply_F` (v : V) : R.cas (R.F v) = R.F (R.cas v)

Initializing...

`BookProof.ChapterWeylSl2.Sl2Rep.cas_comm_apply_F` (v : V) : R.cas (R.F v) = R.F (R.cas v) · Prove2Me