Several of the key concepts that do the rounds in the Rationalsphere these days first arose on SL4 and the Extropians.
Source: wiktionary
Rationalsphere
Synonyms for "rationalsphere"
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Sample sentences
3 total sentences available.
I know that Cummings is a fan, because he regularly quotes them. His blogroll includes links to LessWrong, Slate Star Codex and Eliezer Yudkowsky, three of the key parts of the Rationalsphere.
Source: wiktionary
In opposition to mainstream online culture, which believes that certain arguments should be off-limits, the rationalsphere wants to be able to talk about anything. Slate Star Codex — recently renamed Astral Codex Ten — the most prominent rationalist blog, has caused controversy by countenancing free-flowing discussion of topics such as race science and female harassment of men.
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.