In topology, two continuous functions from one topological space to another are called homotopic if one can be \"continuously deformed\" into the other, such a deformation being called a homotopy between the two functions. A notable use of homotopy is the definition of homotopy groups and cohomotopy groups, important invariants in algebraic topology.
"}{"fact":"Most cats had short hair until about 100 years ago, when it became fashionable to own cats and experiment with breeding.","length":120}
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{"type":"standard","title":"Paul Pierce (American football)","displaytitle":"Paul Pierce (American football)","namespace":{"id":0,"text":""},"wikibase_item":"Q7152960","titles":{"canonical":"Paul_Pierce_(American_football)","normalized":"Paul Pierce (American football)","display":"Paul Pierce (American football)"},"pageid":15400591,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/en/5/5d/Paul_Pierce_%28American_football%29.jpeg","width":190,"height":266},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/en/5/5d/Paul_Pierce_%28American_football%29.jpeg","width":190,"height":266},"lang":"en","dir":"ltr","revision":"1273014658","tid":"8117e0a6-dfab-11ef-a14e-18a8761911d6","timestamp":"2025-01-31T08:15:17Z","description":"American football player and coach (1914–2004)","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Paul_Pierce_(American_football)","revisions":"https://en.wikipedia.org/wiki/Paul_Pierce_(American_football)?action=history","edit":"https://en.wikipedia.org/wiki/Paul_Pierce_(American_football)?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Paul_Pierce_(American_football)"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Paul_Pierce_(American_football)","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Paul_Pierce_(American_football)","edit":"https://en.m.wikipedia.org/wiki/Paul_Pierce_(American_football)?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Paul_Pierce_(American_football)"}},"extract":"Paul Edward \"Red\" Pierce was an American college football player and coach. He served two stints as head football coach at Sul Ross State University, from 1946 to 1951 and again from to 1976 to 1977, and one stint at Sam Houston State University, from 1952 to 1967, amassing a career college football head coaching record of 143–81–9. His 1964 Sam Houston State Bearkats football team shared the NAIA Football National Championship after tying the Concordia Cobbers in the title game.","extract_html":"
Paul Edward \"Red\" Pierce was an American college football player and coach. He served two stints as head football coach at Sul Ross State University, from 1946 to 1951 and again from to 1976 to 1977, and one stint at Sam Houston State University, from 1952 to 1967, amassing a career college football head coaching record of 143–81–9. His 1964 Sam Houston State Bearkats football team shared the NAIA Football National Championship after tying the Concordia Cobbers in the title game.
"}{"slip": { "id": 73, "advice": "Eat food. Not too much, mostly plants."}}
{"fact":"Approximately 40,000 people are bitten by cats in the U.S. annually.","length":68}
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