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This paper by Theodore de Laguna presents and argues for the deflationary theory of truth. The paper was first published in French in 1922. The version published here is the original, English version of the paper and has been edited by Joel Katzav.

In this chapter, Grace Andrus de Laguna examines cultural relativism and its bearing on science.

This chapter is Grace Andrus de Laguna's discussion of Margaret Floy Washburn’s The Animal Mind.

This chapter is Grace Andrus de Laguna’s discussion of the relationship between mind and brain.

In this chapter, Grace Andrus de Laguna and Theodore de Laguna critically examine the pragmatist theory of knowledge and offer their own alternative to it.

In this chapter, Grace Andrus de Laguna presents and argues for perspectivism about perception.

The papers presented at the Chicago Darwin Centennial suggest a fresh approach to the philosophical problem of ends in nature. In order to avoid the implications of "teleology," assumed to refer only to the process of evolution as directed towards goals, the discussants use "teleonomy" in reference to the biological organism as end-directed . They accept "teleonomy" only as descriptive, and neglect its significance for theory. The present thesis is that each of the three recognized phases of universal evolution: inorganic, (...) organic, and post-organic initiated by the advent of man and his culture, is characterized and made possible by the emergence of a distinctive type of teleonomic organization. While the process of evolutionary change is not itself end-directed to any goal, the end-directed structures which arise are not only "in nature" but are themselves crucial factors in evolution, since it is on them that natural selection operates. By using the concept of teleonomy, it is argued, one can avoid the issue of "mechanism" versus "teleology.". (shrink)

It is only within the human world of culture and as a member of a community of persons that the individual can realize his native potentialities and become a person. As a member of this community he must learn to play many roles. Some he plays successively as he passes through the stages of his life; others he plays alternately or simultaneously. The playing of each calls for the exercise of special abilities and powers. It makes use of only a (...) part of the native resources of his individual endowment. An individual may be better fitted by nature to play one role than another. But in the playing of any, he undergoes a specialized development which may help or hinder the development essential to the playing of others. Roles differ widely in the demands they make and the opportunities they offer for the exercise of native powers and the realization of capacities for intelligence and feeling. But however great may be the demands it makes or the opportunities it provides, no role is exhaustive of all that a person has the potentiality for becoming or of what he has become as the person he is. To be a person he must play more than one role and combine the playing of many. (shrink)