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ipse dixit

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noun ip·se dix·it \ˈip-sē-ˈdik-sət\

Definition of ipse dixit

  1. :  an assertion made but not proved :  dictum



Origin of ipse dixit

Latin, he himself said it


First Known Use: 15th century


Law Dictionary

ipse dixit

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noun ip·se dix·it \ˈip-sē-ˈdik-sət\

Legal Definition of ipse dixit

  1. :  an assertion made but not proved <According to the city, it is “self-evident” that killing animals for food is “important”; the eradication of insects and pests is “obviously justified”; and the euthanasia of excess animals “makes sense.”… These ipse dixits do not explain why religion alone must bear the burden of these ordinances — Church of the Lukumi Babalu Aye v. City of Hialeah, 508 U.S. 520 (1993)>



Origin of ipse dixit

Latin, he himself said (it)


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