Top Definition
The term "generalized abstract nonsense" is usually jokingly (and endearingly) applied to topics in mathematics of very high abstraction level, mostly category theory. It probably refers to the fact that some concepts in category theory can abstract away so far from the actual mathematical structures that are described as to lose all connection to the actual meat of the matter.
Yoneda's lemma is just generalized abstract nonsense.
via giphy
by Dominique U March 10, 2018

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