In graph theory, Hedetniemi's conjecture, formulated by Stephen T. Hedetniemi in 1966, concerns the connection between graph coloring and the tensor product of graphs. This conjecture states that
![](\"https://wikimedia.org/api/rest_v1/media/math/render/svg/5a09b4ea805798a3c729755f172fb9fce8b6b87f\")
{"fact":"A cat can\u2019t climb head first down a tree because every claw on a cat\u2019s paw points the same way. To get down from a tree, a cat must back down.","length":142}
{"slip": { "id": 210, "advice": "You never really grow up."}}
{"fact":"Two members of the cat family are distinct from all others: the clouded leopard and the cheetah. The clouded leopard does not roar like other big cats, nor does it groom or rest like small cats. The cheetah is unique because it is a running cat; all others are leaping cats. They are leaping cats because they slowly stalk their prey and then leap on it.","length":354}
{"type":"standard","title":"2-Phenylethyl bromide","displaytitle":"2-Phenylethyl bromide","namespace":{"id":0,"text":""},"wikibase_item":"Q4596916","titles":{"canonical":"2-Phenylethyl_bromide","normalized":"2-Phenylethyl bromide","display":"2-Phenylethyl bromide"},"pageid":24438170,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/2-Bromoethylbenzene.svg/330px-2-Bromoethylbenzene.svg.png","width":320,"height":167},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/b/b1/2-Bromoethylbenzene.svg/355px-2-Bromoethylbenzene.svg.png","width":355,"height":185},"lang":"en","dir":"ltr","revision":"1286040919","tid":"1ae83bb7-1b76-11f0-b656-9c5eef022eb5","timestamp":"2025-04-17T10:24:12Z","description":"Chemical compound","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/2-Phenylethyl_bromide","revisions":"https://en.wikipedia.org/wiki/2-Phenylethyl_bromide?action=history","edit":"https://en.wikipedia.org/wiki/2-Phenylethyl_bromide?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:2-Phenylethyl_bromide"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/2-Phenylethyl_bromide","revisions":"https://en.m.wikipedia.org/wiki/Special:History/2-Phenylethyl_bromide","edit":"https://en.m.wikipedia.org/wiki/2-Phenylethyl_bromide?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:2-Phenylethyl_bromide"}},"extract":"2-Phenylethyl bromide is an organobromide with the formula C6H5CH2CH2Br. It is a colorless liquid, although older samples appear yellow. Analogous to the preparation of most 1-bromoalkanes, it is prepared by free-radical addition of hydrogen bromide to styrene. These conditions lead to anti-Markovnikov addition, giving the 1-bromo derivatives.","extract_html":"
2-Phenylethyl bromide is an organobromide with the formula C6H5CH2CH2Br. It is a colorless liquid, although older samples appear yellow. Analogous to the preparation of most 1-bromoalkanes, it is prepared by free-radical addition of hydrogen bromide to styrene. These conditions lead to anti-Markovnikov addition, giving the 1-bromo derivatives.
"}{"type":"standard","title":"USAV SSG Elroy F. Wells","displaytitle":"USAV SSG Elroy F. Wells","namespace":{"id":0,"text":""},"wikibase_item":"Q124669224","titles":{"canonical":"USAV_SSG_Elroy_F._Wells","normalized":"USAV SSG Elroy F. Wells","display":"USAV SSG Elroy F. Wells"},"pageid":76083706,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/4/40/MSV%28L%29_USAV_SSG_Elroy_F._Wells.jpg/330px-MSV%28L%29_USAV_SSG_Elroy_F._Wells.jpg","width":320,"height":219},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/4/40/MSV%28L%29_USAV_SSG_Elroy_F._Wells.jpg","width":1200,"height":822},"lang":"en","dir":"ltr","revision":"1279262377","tid":"914a59cc-fb59-11ef-bca0-9f25e50b3a7e","timestamp":"2025-03-07T13:39:18Z","description":"USAV SSG Elroy F Wells","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/USAV_SSG_Elroy_F._Wells","revisions":"https://en.wikipedia.org/wiki/USAV_SSG_Elroy_F._Wells?action=history","edit":"https://en.wikipedia.org/wiki/USAV_SSG_Elroy_F._Wells?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:USAV_SSG_Elroy_F._Wells"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/USAV_SSG_Elroy_F._Wells","revisions":"https://en.m.wikipedia.org/wiki/Special:History/USAV_SSG_Elroy_F._Wells","edit":"https://en.m.wikipedia.org/wiki/USAV_SSG_Elroy_F._Wells?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:USAV_SSG_Elroy_F._Wells"}},"extract":"USAV SSG Elroy F. Wells, named for United States Army SSGT Elory Frederick Wells (1932–1970)., is the lead ship of the, Maneuver Support Vessel (Light) landing craft. She was laid down by Vigor Shipyards company at Vancouver, Washington, on 16 September 2019 and launched October 2022","extract_html":"
USAV SSG Elroy F. Wells, named for United States Army SSGT Elory Frederick Wells (1932–1970)., is the lead ship of the, Maneuver Support Vessel (Light) landing craft. She was laid down by Vigor Shipyards company at Vancouver, Washington, on 16 September 2019 and launched October 2022
"}{"slip": { "id": 161, "advice": "You have as many hours in a day as the people you admire most."}}
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