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The #ifexist function selects one of two alternatives depending on whether a page exists at the specified title. {{#ifexist: page title | value if page exists | value if page doesn't exist }} The page can be in any namespace , so it can be an article or "content page", an image or other media file, a category, etc.
In predicate logic, an existential quantification is a type of quantifier, a logical constant which is interpreted as "there exists", "there is at least one", or "for some". It is usually denoted by the logical operator symbol ∃, which, when used together with a predicate variable, is called an existential quantifier (" ∃ x " or " ∃( x ...
In Bayesian probability theory, if, given a likelihood function (), the posterior distribution is in the same probability distribution family as the prior probability distribution (), the prior and posterior are then called conjugate distributions with respect to that likelihood function and the prior is called a conjugate prior for the likelihood function ().
For more complex table structures, Visual editor offers cell-merging operations; see details here. In addition, it is usually possible to add or import a table that exists elsewhere (e.g., in a spreadsheet, on another website) directly into the visual editor by: dragging and dropping a .csv file into the visual editor, or
If a tree exists outside of perception, then there is no way for us to know that the tree exists. So then, what do we mean by 'existence'; what is the difference between perception and reality? Also, people may also say, if the tree exists outside of perception (as common sense would dictate), then it will produce sound waves.
The drop bear does not exist. Many countries have a creature which is rumored to exist but is never seen – think dragons, yetis and the Loch Ness monster . But with the drop bear, there’s a twist.
In the first half of the twentieth century, some mathematicians (notably G. H. Hardy) believed that there exists a hierarchy of proof methods in mathematics depending on what sorts of numbers (integers, reals, complex) a proof requires, and that the prime number theorem (PNT) is a "deep" theorem by virtue of requiring complex analysis. [9]
Drop, DROP, drops or DROPS may refer to: Drop (liquid) or droplet, a small volume of liquid Eye drops, saline (sometimes mydriatic) drops used as medication for the eyes; Drop (unit), a unit of measure of volume; Falling (physics), allowing an object to fall or drop Free fall; Drop, or topographic prominence, the height of a hill above its ...