In mathematics, and, in particular, in graph theory, a rooted graph is a graph in which one vertex has been distinguished as the root. [1 ] [2 ] Both directed and undirected versions of rooted graphs have been studied, and there are also…
In set theory, a branch of mathematics, a Q-indescribable cardinal is a certain kind of large cardinal number that is hard to axiomatize in some language Q. There are many different types of indescribable cardinals corresponding to…
However, it is not possible to decide effectively whether a given putative ordinal notation is a notation or not (for reasons somewhat analogous to the unsolvability of the halting problem); various more-concrete ways of defining ordinals…
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Oblíbený detektivní seriál v režii A. Moskalyka o boji práva se zločinem, ve kterém se rodila vědecká kriminalistika. Každá epizoda je věnována jedné kriminalistické disciplíně, jenž se uplatnila u soudu a později byla uznána jako nezvratný…