English
Any element a ∈ A decomposes as a = Re(a) + i Im(a), with Re(a) and Im(a) self-adjoint and skew-adjoint parts respectively, providing the standard decomposition in a complex star module.
Русский
Любой элемент a ∈ A распадается на a = Re(a) + i Im(a), где Re(a) self-adjoint, Im(a) skew-adjoint; это стандартное разложение в комплексном звёздочном модуле.
LaTeX
$$$a = \\operatorname{realPart}(a) + i \\operatorname{imaginaryPart}(a)$$$
Lean4
@[inherit_doc realPart, scoped term_parser 1000]
public meta def termℜ : Lean.ParserDescr✝ :=
ParserDescr.node✝ `ComplexStarModule.termℜ 1024 (ParserDescr.symbol✝ "ℜ")