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The power set of the set of natural numbers can be put in a one-to-one correspondence with the set of real numbers (see Cardinality of the continuum). The power set of a set S, together with the operations of union, intersection and complement, is a Σ-algebra over S and can be viewed as the prototypical example of a Boolean algebra.
The powerset or power set of a set is the set of all its subsets pre-ordering A relation that is reflexive and transitive but not necessarily antisymmetric, allowing for the comparison of elements in a set. primitive recursive set A set whose characteristic function is a primitive recursive function, indicating that membership in the set can be ...
The power set axiom does not specify what subsets of a set exist, only that there is a set containing all those that do. [2] Not all conceivable subsets are guaranteed to exist. In particular, the power set of an infinite set would contain only "constructible sets" if the universe is the constructible universe but in other models of ZF set ...
The Miscellaneous Mathematical Symbols-B block (U+2980–U+29FF) contains miscellaneous mathematical symbols, including brackets, angles, and circle symbols. Miscellaneous Mathematical Symbols-B [1] Official Unicode Consortium code chart (PDF)
the power set of the set of real numbers, so it is the number of subsets of the real line, or the number of sets of real numbers; the power set of the power set of the set of natural numbers; the set of all functions from to ()
The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, [1] and the LaTeX symbol.
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The text-only form of the LaTeX can be set via user preferences at My Preferences – Appearance – Math. The hidden MathML can be used by screen readers and other assistive technology. To display the MathML in Firefox: Install the Native MathML extension; Or copy its CSS rules to your Wikipedia user stylesheet.