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In category theory, a span, roof or correspondence is a generalization of the notion of relation between two objects of a category. When the category has all pullbacks (and satisfies a small number of other conditions), spans can be considered as morphisms in a category of fractions .
Use sentence case by default for list items, whether they are complete sentences or not. Sentence case is used for around 99% of lists on Wikipedia. Title case (as used for book titles) is not used for list entries. Lowercase is best reserved for: lists introduced by a sentence fragment, with a short list of items, also fragments, continuing ...
Sometimes used for “relation”, also used for denoting various ad hoc relations (for example, for denoting “witnessing” in the context of Rosser's trick). The fish hook is also used as strict implication by C.I.Lewis p {\displaystyle p} ⥽ q ≡ ( p → q ) {\displaystyle q\equiv \Box (p\rightarrow q)} .
John Stamos is addressing negativity surrounding his tribute to Dave Coulier.. TMZ caught up with the Full House alum, 61, and asked him about the reaction to his Nov. 18 Instagram photos with his ...
Despite the case being dismissed in July, Alec Baldwin says the story surrounding the fatal “Rust” shooting has only begun. On the Dec. 16 episode of David Duchovny’s “Fail Better ...
Black Friday isn't just a Friday anymore — these deals will stick around until Tuesday. We found all the best ones at Walmart that are still in stock.
Every article on Wikipedia with a title in the form "Glossary of subject terms", or similar, is such a glossary, as are the glossary sections inside some articles. These are distinct from outlines, which are titled in the form "Outline of subject" and may also include definitions, but are organized as a hierarchy and use their own style of formatting not covered in this guideline.