Abstract nonsense

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Such proofs are sometimes dubbed “abstract nonsense” as a light-hearted way of alerting people to their abstract nature.^[1]
Likewise for f. Author of this article was very impressed by the math abstract nonsense and even developed a Category theory software.^[2]
Then author introduced an “abstract nonsense” paradigm in other his software.^[2]
Author find that abstract nonsense is very effective.^[2]
Author thinks that abstract nonsense would not be accepted at once since lot of engineers are familiar with above data flow diagrams.^[2]
This abstraction power of category theory has led Norman Steenrod to coin the term abstract nonsense or general abstract nonsense for it.^[3]
It is being used as in “This property is not specific to this context, it already follows from general abstract nonsense”.^[3]
But abstract nonsense still tends to meet with some resistance.^[3]
As a professional mathematician, I hope you don't mind a few comments from me on "abstract nonsense".^[4]
In fact, the Wikipedia entry goes on to describe more-or-less precisely what kind of argument "by abstract nonsense" refers to.^[4]
Authors sometimes dub these proofs “abstract nonsense” as a light-hearted way of alerting readers to their abstract nature.^[5]