The question "how many angels can dance on the head of a pin?" has been used many times as a trite dismissal of medieval angelology in particular, of scholasticism in general, and of particular figures such as Duns Scotus and Thomas Aquinas.
The question "how many angels can dance on the head of a pin?" is an example of an ontological argument. It has also been at times used as a trite dismissal: of medieval angelology in particular, of scholasticism in general, and of particular figures such as Duns Scotus and Thomas Aquinas.