Fourier transforms are not limited to acting on functions of time, but the domain of the original function is commonly called the time domain.

There could even be a case made for treating Jane Harrison as a founding mother of social science (Beard, 2000).

the flight deck of the Airbus A380

A conditional proof corresponds to the application of what Douglas Hofstadter calls the Fantasy Rule in his masterwork GEB:EGB. Surprisingly, the theory of propositional calculus which he develops in GEB:EGB employs several inference rules but no axioms: the need for any axioms is done away with through application of the Fantasy Rule.