See Rice's theorem on Wiktionary
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{ "etymology_text": "Named after Henry Gordon Rice, who proved it in 1951.", "head_templates": [ { "args": {}, "expansion": "Rice's theorem", "name": "en-proper noun" } ], "lang": "English", "lang_code": "en", "pos": "name", "senses": [ { "categories": [ "English entries with incorrect language header", "English eponyms", "English lemmas", "English multiword terms", "English proper nouns", "English uncountable nouns", "Pages with 1 entry", "Pages with entries", "en:Theory of computing" ], "glosses": [ "A theorem stating that all nontrivial semantic properties of programs are undecidable." ], "links": [ [ "computing", "computing#Noun" ], [ "theory", "theory" ], [ "nontrivial", "nontrivial" ], [ "semantic", "semantic" ], [ "program", "program" ], [ "undecidable", "undecidable" ] ], "raw_glosses": [ "(computing theory) A theorem stating that all nontrivial semantic properties of programs are undecidable." ], "topics": [ "computing", "computing-theory", "engineering", "mathematics", "natural-sciences", "physical-sciences", "sciences" ], "wikipedia": [ "Henry Gordon Rice" ] } ], "word": "Rice's theorem" }
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This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2025-05-27 from the enwiktionary dump dated 2025-05-20 using wiktextract (a4e883e and f1c2b61). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
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