Outline of a unified approach to physics,biology and sociology |
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Authors: | N Rashevsky |
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Institution: | (1) Mental Health Research Institute, University of Michigan, Ann Arbor, Michigan |
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Abstract: | The theory of organismic sets, introduced by N. Rashevsky (Bulletin of Mathematical Biophysics,29, 139–152, 1967;30, 163–174, 1968), is developed further. As has been pointed out, a society is a set of individuals plus the products of their
activities, which result in their interactions. A multicellular organism is a set of cells plus the products of their activities,
while a unicellular organism is a set of genes plus the products of their activities. It is now pointed out that a physical
system is a set of elementary particles plus the product of their activities, such as transitions from one energy level to
another. Therefore physical, biological and sociological phenomena can be considered from a unified set-theoretical point
of view. The notion of a “world set” is introduced. It consists of the union of physical and of organismic sets. In physical
sets the formation of different structure is governed preponderantly by analytical functions, which are special type of relations.
In organismic sets, which represent biological organisms and societies, the formation of various structures is governed preponderantly
by requirements that some relations, which are not functions, be satisfied. This is called the postulate of relational forces.
Inasmuch as every function is a relation (F-relation) but not every relation is a function (Q-relation), it has been shown previously (Rashevsky,Bulletin of Mathematical Biophysics,29, 643–648, 1967) that the physical forces are only a special kind of relational force and that, therefore, the postulate of
relational forces applies equally to physics, biology and sociology. By developing the earlier theory of organismic sets,
we deduce the following conclusions: 1) A cell in which the genes are completely specialized, as is implied by the “one gene—one
enzyme” principle, cannot be formed spontaneously. 2) By introducing the notion of organismic sets of different orders so
that the elements of an organismic set of ordern are themselves organismic sets of order (n−1), we prove that in multicellular organisms no cell can be specialized completely; it performs, in addition to its special
functions, also a number of others performed by other cells. 3) A differentiated multicellular organism cannot form spontaneously.
It can only develop from simpler, less differentiated organisms. The same holds about societies. Highly specialized contemporary
societies cannot appear spontaneously; they gradually develop from primitive, non-specialized societies. 4) In a multicellular
organism a specialization of a cell is practically irreversible. 5) Every organismic set of ordern>1, that is, a multicellular organism as well as a society, is mortal. Civilizations die, and others may come in their place.
6) Barring special inhibitory conditions, all organisms multiply. 7) In cells there must exist specially-regulatory genes
besides the so-called structural genes. 8) In basically identically-built organisms, but which are built from different material
(proteins), a substitution of a part of one organism for the homologous part of another impairs the normal functioning (protein
specificity of different species). 9) Even unicellular organisms show sexual differentiation and polarization. 10) Symbiotic
and parasitic phenomena are included in the theory of organismic sets. Finally some general speculations are made in regard
to the possibility of discovering laws of physics by pure mathematical reasoning, something in which Einstein has expressed
explicit faith. From the above theory, such a thing appears to be possible. Also the idea of Poincaré, that the laws of physics
as we perceive them are largely due to our psychobiological structure, is discussed. |
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