`BookProof.ChapterA.HasQuaternionicRImaginary.hasCommutingRImaginary` {M : System ℝ W} (h : HasQuaternionicRImaginary M) : HasCommutingRImaginary M

Initializing...

`BookProof.ChapterA.HasQuaternionicRImaginary.hasCommutingRImaginary` {M : System ℝ W} (h : HasQuaternionicRImaginary M) : HasCommutingRImaginary M · Prove2Me