rwa [sub_re, sub_im] at this
a b c : ℤα
z : ℂ
this : (z - OneHom.toFun (↑↑inclusion) (nearestℤα z)).re ^ 2 + (z - OneHom.toFun (↑↑inclusion) (nearestℤα z)).im ^ 2 < 1
⊢ (z.re - (↑inclusion (nearestℤα z)).re) ^ 2 + (z.im - (↑inclusion (nearestℤα z)).im) ^ 2 < 1
no goals