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David McCarthy 🇺🇦

@totalutility.bsky.social
611 followers 213 following 709 posts

Philosopher, likes ethics, epistemology, uncertainty, welfare economics, category theory, climbing 🇺🇦

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David McCarthy 🇺🇦 @totalutility.bsky.social · 26/08/2026
One thing that should really stop is academics embarrassing themselves by signing letters and petitions with their academic titles when their specialization has zero relevance to the topic. Unless you've spent years studying a topic, you are just Jo/e Bloggs with an opinion.
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David McCarthy 🇺🇦 @totalutility.bsky.social · 01/04/2026
One of the most important debates in philosophy concerns the nature of grounding, and I found this paper to be as useful as any arxiv.org/pdf/2504.00066
arxiv.org
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David McCarthy 🇺🇦 @totalutility.bsky.social · 05/03/2026
introverts who forget they are in a group are all set
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David McCarthy 🇺🇦 @totalutility.bsky.social · 27/02/2026
"No one shall expel us from the paradise that Cantor and Dedekind created for us" The title of this Quanta article is perhaps a bit harsh, but still, its content is rather shocking www.quantamagazine.org/the-man-who-...
quantamagazine.org
The Man Who Stole Infinity | Quanta Magazine
In an 1874 paper, Georg Cantor proved that there are different sizes of infinity and changed math forever. A trove of newly unearthed letters shows that it was also an act of plagiarism.
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David McCarthy 🇺🇦 @totalutility.bsky.social · 24/02/2026
According to nLab, Eilenberg & Mac Lane 1945, `General theory of natural equivalences', introducing categories, functors and natural transformations, was at first rejected on the grounds of having "no content" #Reviewer2 ncatlab.org/nlab/show/ca...
ncatlab.org
category in nLab
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David McCarthy 🇺🇦 @totalutility.bsky.social · 20/08/2025
They say that all philosophy is footnotes to Plato, but in fact he merely pre-plagiarized us
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David McCarthy 🇺🇦 @totalutility.bsky.social · 20/08/2025
Algebraic geometry is monkey business
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David McCarthy 🇺🇦 @totalutility.bsky.social · 26/06/2025
Posterity not being kind to Frege (From Manin, *A Course in Mathematical Logic for Mathematicians*)
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David McCarthy 🇺🇦 @totalutility.bsky.social · 26/06/2025
Getting the feeling that I’ve found a book about rings of continuous functions
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David McCarthy 🇺🇦 @totalutility.bsky.social · 13/04/2025
Mainstream media no longer being so kind to the idea that Trump is playing 4D chess. This from the BBC this morning. #EconSky
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David McCarthy 🇺🇦 @totalutility.bsky.social · 09/01/2025
From MathOverflow: apparently what you tell five year olds when they ask what adjoint functors are.
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David McCarthy 🇺🇦 @totalutility.bsky.social · 27/11/2024
What's wild is how common the identity element is. Imagine being a complex polynomial and a permutation of three bananas.
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