5. Sruli
Entity Analysis is a vast field. There exist so many different types of entities, that there is not a definition for all of them. The entity's definition describes what the entity is and how it works. Entities also have certain properties that can either be essential or non-essential depending on whether these belong to the entity's definition.
Reduction is also a study of entities in terms of hierarchical levels. In Reduction, we look at the variables from a more general level, which allows the variables to merge and become new variables with new properties. What we do in Reduction, is enlarge the view of what the entity -and therefore- the system is composed of.
On this lecture:
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Systems and their components
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Types of Definitions
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Essential and Non-Essential Properties
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Constant and Variable properties
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Essential and Accidental Properties