Proof.
Note.
Proof.
Proof.
Proof.
Proof.
Proof.
Proof.
the
Proof.
Proof.
Proof.
Proof.
Proof.
Proof.
Proof.
Proof.
Proof.
Proof.
Remark.
Proof for a matrix.
Proof for diagonalisable matrices.
Proof.
Proof.
Proof.
Alternative Proof.
