This example shows how you can return the result of evaluating a Boolean expression instead of using an if structure to check the condition. This can help simplify your code.
Source code: github.com/wadehuber/codeexamples/blob/master/scheme/scheme1/returnboolean.scm
0:11 - A program that returns true or false based on the result of a condition
0:28 - Rewriting to avoid the if - instead we simply return the result of the Boolean condition
1:10 - The same thing, but this time using not to flip the result