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TeX was invented to typeset math but is now used for reasoning.

LessWrongAnalysis or commentary·
AI brief

A LessWrong post observes that TeX, originally created to typeset math, is now being used for reasoning by computer systems such as language models. It cites GLM-5.3 as an example when a model is asked to solve a multi-step math problem.

Written by AI from LessWrong's published text.

Source

“I'll keep this short, since it's a simple observation that I haven't seen anybody else make, about the way computer systems do math.”
LessWrong, 28 Sept 2026, 22:36.

Interpretation or community commentary rather than straight reporting.

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