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.
Irony (from Ancient Greek Îµá¼°ÏÏÎ½ÎµÎ¯Î± (eirÅneÃ­a), meaning dissimulation, feigned ignorance), in its broadest sense, is a rhetorical device, literary technique, or event in which what appears, on the surface, to be the case, differs radically from what is actually the case.