(i : Fin d) : (cre i - ann i).comp (cre i + ann i) + (cre i + ann i).comp (cre i - ann i) = (2 : ℂ) • ((cre i).comp (cre i)

Initializing...

(i : Fin d) : (cre i - ann i).comp (cre i + ann i) + (cre i + ann i).comp (cre i - ann i) = (2 : ℂ) • ((cre i).comp (cre i) - (ann i).comp (ann i)) · Prove2Me