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  Pi

Sigma KEE - Pi
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
pi
Pi is the RealNumber that is the ratio of the perimeter of a circle to its diameter. It is approximately equal to 3.141592653589793.
Relationships      
InstancesabstraitProperties or qualities as distinguished from any particular embodiment of the properties/qualities in a physical medium. Instances of Abstract can be said to exist in the same sense as mathematical objects such as sets and relations, but they cannot exist at a particular place and time without some physical encoding or embodiment.
 entit�The universal class of individuals. This is the root node of the ontology.
 nombre r�el non n�gatifA RealNumber that is greater than or equal to zero.
 nombreA measure of how many things there are, or how much there is, of a certain kind. Numbers are subclassed into RealNumber, ComplexNumber, and ImaginaryNumber.
 nombre r�el positifA RealNumber that is greater than zero.
 quantit�Any specification of how many or how much of something there is. Accordingly, there are two subclasses of Quantity: Number (how many) and PhysicalQuantity (how much).
 nombre r�elAny Number that can be expressed as a (possibly infinite) decimal, i.e. any Number that has a position on the number line.
Belongs to Class entit�


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