## REPRESENTATION (Quantal)
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Mac KAY states: "Representations communicable in a two-valued (yes or no) form are necessarily quantal in structure, since an "imperceptible change" in a two valued logical form is by definition meaningless. All the changes are discrete, therefore the elementary concepts of logical representations are discrete and enumerable…

"In general, a pattern reduced to such fundamental terms will contain a certain number of distinguishable groups or clusters of elements, the elements in each group being indistinguishable among themselves. There are thus two numerical features of interest:

1) The member of distinguishable groups or clusters of indistinguishable elements in a representation, and

2) The number of elements in a given group or cluster" (1969, p.164).

Thus, quantal representation can generally be matricial.

### Categories

- 1) General information
- 2) Methodology or model
- 3) Epistemology, ontology and semantics
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### Publisher

Bertalanffy Center for the Study of Systems Science(2020).

To cite this page, please use the following information:

* Bertalanffy Center for the Study of Systems Science (2020).* Title of the entry. In Charles François (Ed.), International Encyclopedia of Systems and Cybernetics (2). Retrieved from www.systemspedia.org/[full/url]

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