r/philosophy is a subreddit with 18.6M members. The most common kinds of discussions are ideas and pain & anger, and the community frequently discusses philosophy, looking for, worst, book, and good.
/r/philosophy: the portal for public philosophy
Popular Themes in r/philosophy
#1
Ideas
: "“Einstein echoes Wittgenstein, who emphasised in his later work that his aim was to provide ‘the understanding that consists in seeing connections’ – literally, a new way of looking” -- Ray Monk on the scientific and philosophical ideas of Einstein"
4 posts
#2
Pain & Anger
: ""We suffer more often in imagination than in reality" — Seneca on phantasia, catastrophizing, and whether rationality can override evolutionary anxiety (Letter 13 to Lucilius)"
3 posts
#3
Solution Requests
: "SOLVE IT......"
1 post
#4
Advice Requests
: "The Crime Debate : Free Download, Borrow, and Streaming : Internet Archive"
1 post
Popular Topics in r/philosophy
#1
Philosophy
: "Anthony Kenny (1931-2026)"
33 posts
#2
Looking For
20 posts
#3
Worst
19 posts
#4
Book
6 posts
#5
Good
6 posts
#6
Struggling
6 posts
#7
Ethics
4 posts
#8
Annoying
4 posts
#9
Ai
: "Artificial intelligence is changing not only what we know, but what we practice thinking about: a philosophical argument"
4 posts
#10
Knowledge
: "Seneca on scientific progress: Knowledge of nature unfolds only through successive ages (Natural Questions VII.25)"
3 posts
Flair Used in r/philosophy
#1
Blog
: "According to the philosopher Immanuel Kant, the basis of morality is not happiness but reason. How we treat others shouldn’t be dictated by whether we feel something for them, but by our respect for their rational agency and inherent dignity as human beings."
31 posts
#2
Video
: "Western philosophy has been at war with The Odyssey for 2,800 years -- and keeps losing. A survey, from Xenophanes to Levinas."
10 posts
#3
Open Thread
: "/r/philosophy Open Discussion Thread | September 07, 2026"
7 posts
#4
Interview
: "Peter Singer, philosopher: ‘People still think the animals we eat live out in the fields, outdoors’"
3 posts
#5
News
: "After Experiment, Journal Decides to Prohibit AI-Authored Content"
1 post
#6
Article [PDF]
: "Recent Work in the Epistemology of Inquiry -- Pablo Hubacher Haerle"
1 post
#7
Article
: "Hylemorphism as a Generalized Research Programme"
1 post
Member Growth in r/philosophy
Yearly
+114k members(0.6%)
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Last updated: September 13, 2026