Assumptions:
TeX:
\operatorname{agm}\!\left(\overline{a}, \overline{b}\right) = \overline{\operatorname{agm}\!\left(a, b\right)}
a \in \mathbb{C} \;\mathbin{\operatorname{and}}\; b \in \mathbb{C} \;\mathbin{\operatorname{and}}\; \left(a = 0 \;\mathbin{\operatorname{or}}\; \frac{b}{a} \notin \left(-\infty, 0\right]\right)Definitions:
| Fungrim symbol | Notation | Short description |
|---|---|---|
| AGM | Arithmetic-geometric mean | |
| Conjugate | Complex conjugate | |
| CC | Complex numbers | |
| OpenClosedInterval | Open-closed interval | |
| Infinity | Positive infinity |
Source code for this entry:
Entry(ID("c0dea0"),
Formula(Equal(AGM(Conjugate(a), Conjugate(b)), Conjugate(AGM(a, b)))),
Variables(a, b),
Assumptions(And(Element(a, CC), Element(b, CC), Or(Equal(a, 0), NotElement(Div(b, a), OpenClosedInterval(Neg(Infinity), 0))))))