・Dhatu (Buddhism) - It's mentioned by the Buddha in the Aṅgulimālīya Sūtra with no clear definition. Skandha has an section mentioning the Dhatus but not in the Buddha's context from the Aṅgulimālīya Sūtra.
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Optimism should have a separate page that focuses on the philosophical idea of optimism and distinguishes the philosophical view from "positive thinking" and other everyday uses of the word.
Philosophy of social science, has some okay points but requires elaboration on Wittgenstein and Winch, perhaps other linguistic critiques, whether logical positivist or postmodernist.
Exchange value needs to be redone, it shouldn't be under 'Marxist theory'- although it's an important component of Marxist theory it's also vital for all economics. That said the article's weight on Marx is also absurd.
Socratic dialogues could do with some tidying and clarification. See the talk page for one suggested change.
Problem of universals: The introductory definition is (perhaps) fixed. But, the article is poor. Check out the German version.
Teleology: the article is shallow and inconsistent.
Existentialism: the quality of this article varies wildly and is in desperate need of expert attention.
Analytic philosophy This is a very major topic, but still has several sections which are stubs, and several topics which are not covered.
Lifeworld A philosophical concept that seems to have fallen exclusively into the hands of the sociologists. Could use some attention; it's a major and complex issue in phenomenology.
Perception Needs the attention of philosophically minded Wikipedians. This is only the start of an overhaul of perception and related articles.
Second sight - Has been proposed as mostly Celtic/Gaelic context of extrasensory perception but suggestions to merge in it have also been made. Recently called to attention via WP:FTN.
Chris Kilham - BLP: Promotional tone and unbalanced pseudomedical claims
Here are some WikiProject Melbourne articles which attract a high number of "page hits" but are only rated as Stub Class, or otherwise need additional citations or attention: