#settheory

Live, measured metrics for the hashtag #settheory from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

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$51.02/ year · 9-character #name
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1
Uses / 7 days
Mastodon
1
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.7
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-27 06:42 UTC
0
07-21
0
07-22
0
07-23
1
07-24
0
07-25
0
07-26
0
07-27

1 uses by 1 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-27 06:42 UTC

No related tags with measured usage found for #settheory.

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-27 06:42 UTC

Everything below is measured over the latest 40 public posts (spanning ~4826 hours).

Posting hours (UTC) — busiest: 13:00

00:0012:0023:00

Languages: English (39) · Hebrew (1)

Avg boosts / post: 1.3

Top of the latest posts

  • I have the greatest admiration for the theorems and proofs of transfinite set theory, what we've called Cantor's transfinite set theory. I taught it for years, wrote restatements for my students, and wrote a piece viewing it in the perspect

    petersuber@[email protected]♥ 12↻ 132026-02-28 17:17 UTCView post →

  • After years of mixing up 2·ω (which is equal to ω, and so uninteresting) and ω·2 (which isn't) I have at last thought of a sure way to remember which is which: ω·2 is the one I want, just as ω+2 is, and for the same reason. Sheesh. #ordinal

    Mark Dominus@[email protected]♥ 5↻ 02026-07-10 12:55 UTCView post →

  • New blog post “The road to \( \epsilon_0 \): Nim always ends, even with infinite ordinals A bit of a sidetrack, but too amusing to skip: even with nim-heaps that correspond to absurdly large infinite ordinals, the game itself is still finit

    The Universe of Discourse@[email protected]♥ 3↻ 22026-07-20 00:13 UTCView post →

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/settheory