Documentation

Marginis.BottazziEskew2022

Integration with filters #

by Emanuele Bottazzi, Monroe Eskew

The paper concerns measures over [0,∞].

In Lean this interval is known as the type ENNReal, the extended nonnegative reals. The number is represented as .

Here we explore the arithmetic of this type.

theorem iReal :
(-1) ^ (1 / 2) = 0