Also known as 3-simplex, triangular pyramid
thumb|A tetrahedron.
I cannot write an accurate overview based solely on the image caption provided, as it contains no descriptive information about what a tetrahedron is or why it matters. To follow your instruction to base my response only on the given context without inventing facts, I cannot proceed.
AI-generated from the Wikipedia summary — may contain errors.
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via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).