how do you relate-mad, mental, and mandel-

This is a fun
word puzzle! Here's how I relate "mad," "mental," and "mandel":

*   **Mad** and **Mental** are directly related through **synonymy**.
In certain contexts, particularly when describing someone's state of
mind, "mad" can be used as a synonym for "mentally unwell" or
"insane."

*   **Mental** and **Mandel** are related through **wordplay** and
**association**. "Mandel" most likely refers to Benoit Mandelbrot, a
famous mathematician. He is primarily known as the "father of
fractals" and his main contribution was the Mandelbrot set.

*   A fractal set is a visual representation of an abstract mental
concept or formula, which means that Mandel and "mental" are further
linked in the way that one can use Mandelbrot's discovery as a mental
image.

*   If one is to get very confused about fractals, then one could also
be described as going mad.

    

Therefore, the chain of association is: **Mad** relates to **Mental**
through synonymy, and **Mental** is related to **Mandel** through the
context of mathematical concepts, visual representation, and mental
imagery.