Plato's Metaphysics

Author(s):  
Verity Harte

This article focuses on the idea of metaphysics as described by Plato. Plato's writings are not themselves shaped in reflection of modern subdivisions of philosophical areas and the form in which they are shaped—the often heavily and self-consciously crafted dialogue form—does not naturally invite separate identification and treatment of the writings' often tightly interwoven philosophical threads. It discusses a certain feature of Plato's ontology: his commitment, at least in certain works, to the existence of a special class of entities, once known in English as “ideas,” these days more commonly referred to as “forms.” The article further discusses ideas such as the Theory of Forms and it asks whether it has developed over a period of time. The language of forms, where do they occur and how are they categorized are also elaborated in the article.

1980 ◽  
Vol 9 (1) ◽  
pp. 99-103 ◽  
Author(s):  
Virginia Monroe ◽  
Lisa Ford
Keyword(s):  

Author(s):  
Paolo Crivelli

Ideas in and problems of philosophy of language surface frequently in Plato’s dialogues. Some passages briefly formulate, or presuppose, views about names, signification, truth, or falsehood; others are extended discussions of important themes of philosophy of language. This chapter focuses on three topics. The first is the linguistic dimension of the theory of Forms; the second is the discussion of names in the Cratylus, Plato’s only dialogue almost completely dedicated to linguistic themes; the third is the examination of semantic and ontological issues in the Sophist, whose linguistic section (259d9‒264b10) presents Plato’s most mature reflections on statements, truth, and falsehood.


Author(s):  
Malcolm Schofield

This chapter attempts to situate Plato’s philosophizing and literary production in its historical context. The evidence external to the dialogues that such an enterprise can rely on is either scrappy or suspect, or both. Thus, what is offered here is a series of snapshots that follow a chronological sequence, from Plato’s relationship with Socrates and the Athens that executed him; through his momentous first visit to Italy and Sicily and its impact on his thinking about politics and philosophy; to the founding of the Academy, Plato’s rivalry with Isocrates, and the birth of the theory of Forms; and ending with the worlds of the late dialogues.


Author(s):  
Mark Steiner

To an unappreciated degree, the history of Western philosophy is the history of attempts to understand why mathematics is applicable to Nature, despite apparently good reasons to believe that it should not be. A cursory look at the great books of philosophy bears this out. Plato's Republic invokes the theory of “participation” to explain why, for instance, geometry is applicable to ballistics and the practice of war, despite the Theory of Forms, which places mathematical entities in a different (higher) realm of being than that of empirical Nature. This argument is part of Plato's general claim that theoretical learning, in the end, is more useful than “practical” pursuits. John Stuart Mill's account of the applicability of mathematics to nature is unique: it is the only one of the major Western philosophies which denies the major premise upon which all other accounts are based. Mill simply asserts that mathematics itself is empirical, so there is no problem to begin with.


2020 ◽  
Vol 2020 (1) ◽  
Author(s):  
Davood Afraz ◽  
Rahmatollah Lashkaripour ◽  
Mojtaba Bakherad

Robotica ◽  
2021 ◽  
pp. 1-13
Author(s):  
Sibyla Andreuchetti ◽  
Vinícius M. Oliveira ◽  
Toshio Fukuda

SUMMARY Many different control schemes have been proposed in the technical literature to control the special class of underactuated systems, the- so-called brachiation robots. However, most of these schemes are limited with regard to the method by which the robot executes the brachiation movement. Moreover, many of these control strategies do not take into account the energy of the system as a decision variable. To observe the behavior of the system’s, energy is very important for a better understanding of the robot dynamics while performing the motion. This paper discusses a variety of energy-based strategies to better understand how the system’s energy may influence the type of motion (under-swing or overhand) the robot should perform.


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