Edit this page Talk0. The Greek alphabet is used extensively in mathematics and the physical sciences to stand for well known constants, variables, functions, and so forth.
The question calls for examples of irony. This answer provides many examples of irony (each bulleted item is an example of irony), and explains the different ways in which they are ironic. The most common form of irony is when the spoken words do not convey the underlying meaning.
Why don't some Americans understand irony? Answer Wiki. Spinal Tap, Curb Your Enthusiam, Sienfeld, M*A*S*H, Larry Sandler, Gary Shandling, 30 Rock, Chris Rock, Bill Hicks, George Carlin, Robert Anton Wilson, The Simpsons, Dave Chapelle and that is just off the top of my head.