English
Conjneg is compatible with subtraction: conjneg(f − g) = conjneg f − conjneg g.
Русский
Conjneg совместим с вычитанием: conjneg(f − g) = conjneg f − conjneg g.
LaTeX
$$$\operatorname{conjneg}(f - g) = \operatorname{conjneg}(f) - \operatorname{conjneg}(g)$$$
Lean4
@[simp]
theorem star_intCast_smul [Ring R] [AddCommGroup M] [Module R M] [StarAddMonoid M] (n : ℤ) (x : M) :
star ((n : R) • x) = (n : R) • star x :=
map_intCast_smul (starAddEquiv : M ≃+ M) R R n x