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12 views
There is a new version of the whole website logicmatters.net, moved from its (expensively hosted!) cumbersome old WordPress implementation to a speedy (and freely hosted) static site on GitHub. All comments gratefully received!
Also new: A hardback of *Introducing Category Theory* was published on June 1st, and is beginning to appear listed on booksellers’ online sites – search with the ISBN 10683
8 views
Headline news. A third edition of *Introducing Category Theory* is now available (free PDF/cheap pbk). Info/link at https://www.logicmatters.net/categories
Please spread the word!
_____________________________
There comes a tipping point, when the prospect of yet another round of proof-reading becomes intolerable and you think, dammit, the book as it is will now just have to do! So I have drawn a
📊 Post engagement
7
Avg engagement / post
1.1%
Engagement vs followers
Nov 2022
On Mastodon since
🔥 Top post: There is a new version of the whole website logicmatters.net, mo · 12 likes + reposts
📊 Activity & format
Posting cadence
0.39 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 10 text · 2 image · 0 video.
Follower / following
2.3×
Follows 273 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🔥 Top post
There is a new version of the whole website logicmatters.net, moved from its (expensively hosted!) cumbersome old WordPress implementation to a speedy (and freely hosted) static site on GitHub. All comments gratefully received!
Also new: A hardback of *Introducing Category Theor…
Just a reminder, if you are about to take a category theory course next term/semester.
There is a page of links to reasonably accessible and (legally!) freely downloadable lecture notes etc. at https://logicmatters.net/categories. You co…
Wonderful concert by the Pavel Haas Quartet at Wigmore Hall, playing a selection of Dvorak's Cypresses, and then Dvorak's "American Quaret". After the interval they are joined by Boris Giltburg and Petr Ries to play Schubert's Trout Quint…
Why on earth didn't I move logicmatters.net ages ago, from a cumbersome and (very) expensively hosted WordPress site to a freely hosted site on GitHub built with Quarto?
I did briefly think about it when the time to renew a year's hosting …
There have been so many moving obituaries and fond tributes. Here, to mark her passing, is Felicity Lott at the start of her stellar career, singing Pamina at Glyndebourne, almost fifty years ago. How joyous.
https://youtu.be/97QndmYbwtE?s…
A (not very exciting but possible useful) blog post on my experiences using LLMs as proofreading assistants. Headline news: they are very useful but also very surprisingly unreliable. If you are faced with a proof-reading task, don't rely …
There's a newly revised version of my *Introducing Category Theory* notes -- correcting an embarrassing number of typos and a few thinkos in the previous version. A pbk follows, but meanwhile here's a link to the (freely downloadable) PDF:…
Three months of the year gone already. What have I been reading?
The non-fiction I have most enjoyed (and learnt the most from) is Stephen Greenblatt’s immensely readable *The Swerve* about the rediscovery of Lucretius’ De Rerum Natura. I …
A quick blog post commenting on the claim by Alex Oliver and Tim Smiley to have shown that the “easy” direction of Church's Thesis is wrong.
I'm not persuaded -- and neither should you be!
https://www.logicmatters.net/2026/04/06/partial-fu…
Headline news. A third edition of *Introducing Category Theory* is now available (free PDF/cheap pbk). Info/link at https://www.logicmatters.net/categories
Please spread the word!
_____________________________
There comes a tipping point, …
The first issue of the new *Journal for the Philosophy of Mathematics* appeared back in September 2024. A second issue, now edited by Alex Paseau, has now appeared, just a day before the end of 2025. This is a collection of just seven, aga…
Has anyone knowledgeable out there taken a look at Jason Socrates Bardi's book "The Great Math War" (published in Nov 25)?
Apparently on p. 288, Bardi says Godel "develops a second incompleteness theorem, which says that if a system is in…
Headline news. A third edition of *Introducing Category Theory* is now available (free PDF/cheap pbk). Info/link at https://www.logicmatters.net/categories
Please spread the word!
_____________________________
There comes a tipping point, …
The first issue of the new *Journal for the Philosophy of Mathematics* appeared back in September 2024. A second issue, now edited by Alex Paseau, has now appeared, just a day before the end of 2025. This is a collection of just seven, aga…
Has anyone knowledgeable out there taken a look at Jason Socrates Bardi's book "The Great Math War" (published in Nov 25)?
Apparently on p. 288, Bardi says Godel "develops a second incompleteness theorem, which says that if a system is in…
🐘 Community & instance
Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 7 views per post.
📤Posts about 0.4× per week.
🕵️ Fake follower check
Estimated75/100
Good
Credibility score
92%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 92% real, active audience · Low fake-follower risk.
- Engagement (~1.1% of followers engage each post) is around typical for Mastodon.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Cambridge logician, idling in retirement.
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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