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  1. 1. Plato and Aristotle: Ideas; Substance; Form and Matter; Causation; Actuality and Potentiality
    1.1 Plato's Philosophy of Ideas
  2. 1.2 Plato's Understanding of Substance
  3. 1.3 Aristotle's Philosophy of Form and Matter
  4. 1.4 Aristotle's Theory of Substance
  5. 1.5 Plato's View on Causation
  6. 1.6 Aristotle's Four Causes
  7. 1.7 Actuality and Potentiality in Aristotle's Philosophy
  8. 1.8 Comparative Analysis of Plato and Aristotle's Philosophies
  9. 2. The Foundations of Rationalism: Method, Substance, God, and Mind-Body Dualism
    2.1 Rationalism (Descartes, Spinoza, Leibniz)
  10. 2.2 Cartesian Method and Certain Knowledge
  11. 2.3 Substance (Aristotle, Descartes, Spinoza, Leibniz)
  12. 2.4 Philosophy of God (Descartes, Spinoza, and Leibniz)
  13. 2.5 Mind-Body Dualism
  14. 2.6 Determinism and Freedom (Descartes, Spinoza, Leibniz)
  15. 3. Empiricism (Locke, Berkeley, Hume)
    3.1 Introduction to Empiricism
  16. 3.2 Theory of Knowledge (Locke, Berkeley, Hume)
    3 Submodules
  17. 3.3 Substance and Qualities (Locke, Berkeley, Hume)
  18. 3.4 Self and God (Locke, Berkeley, Hume)
  19. 3.5 Scepticism (Locke, Berkeley, and Hume)
  20. 4. Kant
    4.1 Introduction to Kant's Philosophy
  21. 4.2 Kant: The Possibility of Synthetic a priori Judgments
  22. 4.3 Kant's Space and Time
  23. 4.4 Kant's Categories
  24. 4.5 Kant's Ideas of Reason
  25. 4.6 Kant's Antinomies
  26. 4.7 Kant's Critique of Proofs for the Existence of God
  27. 5. Hegel
    5.1 Hegel: Dialectical Method; Absolute Idealism
  28. 6. Moore, Russell, and Early Wittgenstein
    6.1 Defence of Commonsense (Moore, Russell, and Early Wittgenstein)
  29. 6.2 Refutation of Idealism (Moore, Russell, and Early Wittgenstein)
  30. 6.3 Logical Atomism (Moore, Russell, and Early Wittgenstein)
  31. 6.4 Logical Constructions (Moore, Russell, and Early Wittgenstein)
  32. 6.5 Incomplete Symbols (Moore, Russell, and Early Wittgenstein)
  33. 6.6 Picture Theory of Meaning (Moore, Russell, and Early Wittgenstein)
  34. 6.7 Saying and Showing (Moore, Russell, and Early Wittgenstein)
  35. 7. Logical Positivism
    7.1 Verification Theory of Meaning
  36. 7.2 Rejection of Metaphysics
  37. 7.3 Linguistic Theory of Necessary Propositions
  38. 8. Later Wittgenstein
    8.1 Meaning and Use (Later Wittgenstein)
  39. 8.2 Language-games (Later Wittgenstein)
  40. 8.3 Critique of Private Language (Later Wittgenstein)
  41. 9. Phenomenology (Husserl)
    9.1 Method - Phenomenology (Husserl)
  42. 9.2 Theory of Essences - Phenomenology (Husserl)
  43. 9.3 Avoidance of Psychologism - Phenomenology (Husserl)
  44. 10. Existentialism (Kierkegaard, Sartre, Heidegger)
    10.1 Existence and Essence
  45. 10.2 Choice, Responsibility and Authentic Existence
  46. 10.3 Being–in–the–world and Temporality
  47. 11. Quine and Strawson
    11.1 Critique of Empiricism (Quine and Strawson)
  48. 11.2 Theory of Basic Particulars and Persons (Quine and Strawson)
  49. 12. Cârvâka
    12.1 Cârvâka: Theory of Knowledge
  50. 12.2 Cârvâka: Rejection of Transcendent Entities
  51. 13. Jainism
    13.1 Jainism: Theory of Reality
  52. 13.2 Jainism: Saptabhaòginaya
  53. 14. Schools of Buddhism
    14.1 Pratîtyasamutpâda (Schools of Buddhism)
  54. 14.2 Ksanikavada (Schools of Buddhism)
  55. 14.3 Nairâtmyavâda (Schools of Buddhism)
  56. 15. Nyāya-Vaiśeṣika
    15.1 Theory of Categories (Nyāya-Vaiśeṣika)
  57. 15.2 Theory of Appearance (Nyâya-Vaiśeṣika)
  58. 15.3 Theory of Pramâna (Nyâya-Vaiśeṣika)
  59. 15.4 Self, Liberation, God, Proofs for the Existence of God (Nyâya-Vaiśeṣika)
  60. 15.5 Theory of Causation & Atomistic Theory of Creation (Nyâya-Vaiśeṣika)
  61. 16. Sâmkhya
    16.1 Prakrti (Sâmkhya)
  62. 16.2 Purusa (Sâmkhya)
  63. 16.3 Causation (Sâmkhya)
  64. 16.4 Liberation (Sâmkhya)
  65. 17. Yoga
    17.1 Introduction to Yoga Philosophy
  66. 17.2 Citta (Yoga)
  67. 17.3 Cittavrtti (Yoga)
  68. 17.4 Klesas (Yoga)
  69. 17.5 Samadhi (Yoga)
  70. 17.6 Kaivalya (Yoga)
  71. 18. Mimâmsâ
    18.1 Mimâmsâ: Theory of Knowledge
  72. 19. Schools of Vedânta
    19.1 Brahman (Schools of Vedânta)
  73. 19.2 Îúvara (Schools of Vedânta)
  74. 19.3 Âtman (Schools of Vedânta)
  75. 19.4 Jiva (Schools of Vedânta)
  76. 19.5 Jagat (Schools of Vedânta)
  77. 19.6 Mâyâ (Schools of Vedânta)
  78. 19.7 Avidyâ (Schools of Vedanta)
  79. 19.8 Adhyâsa (Schools of Vedanta)
  80. 19.9 Moksa (Schools of Vedanta)
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1.3 Aristotle’s Philosophy of Form and Matter

1. Biographical Information

Life and Times of Aristotle


Aristotle (384-322 BCE) was an ancient Greek philosopher and scientist, who is considered one of the greatest intellectual figures in Western history. Born in Stagira, a small town in northern Greece, Aristotle was the son of Nicomachus, a court physician to King Amyntas II of Macedonia. His parents were members of traditional medical families, which likely influenced his interest in biology and other natural sciences.

At the age of 17, Aristotle moved to Athens to study at Plato’s Academy, where he remained for 20 years. After Plato’s death, Aristotle left Athens and spent some time traveling and studying in various places, including the island of Lesbos and the city of Assos. In 338 BCE, he began tutoring Alexander the Great, who would later become one of history’s most famous military leaders.

In 335 BCE, Aristotle returned to Athens and founded his own school, the Lyceum, where he spent most of the rest of his life studying, teaching, and writing. His extensive works covered a wide range of disciplines, including logic, metaphysics, ethics, politics, and biology. Aristotle’s writings have had a lasting impact on Western thought and continue to be studied and debated today. copyright©

Influence of Plato on Aristotle’s Philosophical Approach

Aristotle was greatly influenced by his teacher, Plato, during his time at the Academy. However, as he developed his own philosophical ideas, Aristotle’s approach began to diverge from Plato’s in significant ways. While Plato focused on abstract, idealized concepts, Aristotle’s philosophy was more empirical, practical, and grounded in observation.

Despite these differences, Aristotle’s philosophical approach was still shaped by his time with Plato. For example, Aristotle’s ethics and political philosophy were influenced by Plato’s ideas on the importance of virtue and the role of the philosopher-king. Additionally, Aristotle’s work on logic and reasoning built upon the foundations laid by Plato and Socrates.

Overall, while Aristotle’s philosophical approach eventually departed from Plato’s in important respects, the influence of his teacher remained a significant factor in his intellectual development and the formation of his ideas.

2. Hylomorphism and the Principles of Physical Entities

Definition of Hylomorphism

  • Hylomorphism is a philosophical doctrine developed by the Ancient Greek philosopher Aristotle.
  • It conceives every physical entity or being (ousia) as a compound of matter (potency) and immaterial form (act), with the generic form as immanently real within the individual. copyright©
  • The word “hylomorphism” is a 19th-century term formed from the Greek words ὕλη (hyle: “wood, matter”) and μορφή (morphē: “form”).

The Concept of Form and Matter in Aristotle’s Philosophy

  • Aristotle’s concept of matter refers to the underlying physical substance of an object, while form refers to the specific configuration or organization of that matter.
  • Matter is an indeterminate principle, and its main characteristic is to be the foundation of all becoming, of all change.
  • Form, on the other hand, is the principle that determines matter, making it an individual being (e.g., man, stone, animal).
  • Form is what gives being and actuality to matter, while matter provides the potential for that form to exist.

The Relationship Between Form and Matter

  • According to Aristotle, form and matter are inseparable and together make up the substance of an object.
  • The relationship between form and matter is a central theme of Aristotle’s theory of changeable being.
  • Aristotle introduces matter and form to account for changes in the natural world, where he is particularly interested in explaining how substances come into existence even though there is no generation ex nihilo (nothing comes from nothing).
  • In this connection, he develops a general hylomorphic framework, which he then extends by putting it to work in a variety of contexts. copyright©
  • For example, he deploys it in his Metaphysics, where he argues that form is what makes a thing what it is, while matter is what allows it to change and develop.

3. Aristotle’s Critique of Plato’s Theory of Forms

Comparison between Plato’s and Aristotle’s views on forms

AspectPlato’s ViewAristotle’s View
Nature of FormsUniversal, ideal, and separate from particularsImmanent within particulars, not separate
EpistemologyKnowledge of forms is innate, accessed by reasonKnowledge is gained through observation and experience
RealityThe world of forms is more real than the material worldThe material world is the primary reality

Aristotle’s Rejection of Plato’s Theory of Forms

  • Aristotle was a student of Plato, but he disagreed with his teacher’s views on forms.
  • Plato believed that concepts had a universal form, an ideal form, which leads to his idealistic philosophy.
  • Aristotle believed that universal forms were not necessarily attached to each object or concept, and that each instance of an object or a concept had to be analyzed on its own.
  • Aristotle’s empirical approach emphasized observation first and abstract reasoning second, which led him to reject Plato’s Theory of Forms.

Aristotle’s Concept of Form as Essential Determination

  • Aristotle rejected Plato’s theory of Forms but not the notion of form itself. copyright©
  • For Aristotle, forms do not exist independently of things—every physical object is a compound of matter and form.
  • Aristotle’s concept of form is more practical and grounded in the material world, as opposed to Plato’s idealistic and abstract view of forms.
  • Aristotle’s concept of form is linked to the essential determination or organic structure of a thing, while matter is that which the thing is made of.

4. Form in Aristotle’s Philosophy

Definition and Characteristics of Form

  • Form is a central concept in Aristotle’s philosophy, particularly in his hylomorphic theory.
  • Form refers to the specific configuration or organization of matter that gives an object its essential nature and identity.
  • Unlike Plato’s view of forms as separate and ideal, Aristotle’s forms are immanent within the objects themselves.
  • Aristotle’s concept of form is grounded in the material world, emphasizing the connection between form and matter.
  • Forms provide the actuality, identity, and unity of a thing, while matter provides the potential for change and development.

Form as the Determining Principle of a Thing

  • According to Aristotle, form is the determining principle of a thing, defining its essential characteristics and distinguishing it from other things.
  • The form of an object determines its specific nature and purpose. copyright©
  • For example, the form of a chair determines its shape, structure, and function, distinguishing it from other objects like tables or beds.
  • Form is the organizing principle that gives an object its identity and unity.

The Unity of Form and Matter in Aristotle’s Metaphysics

  • Aristotle’s hylomorphic theory emphasizes the inseparable unity of form and matter.
  • Form and matter together constitute the substance of an object.
  • This unity is a central theme in Aristotle’s metaphysics, especially when explaining change and development in the natural world.
  • Unlike Plato’s dualistic view, which separates the world of forms from the material world, Aristotle emphasizes the interdependence and unity of form and matter.

5. Aristotle’s Four Causes

Overview of Aristotle’s Four Causes

  • Aristotle’s Four Causes is a framework used to understand the nature of change and explain the existence of things in the natural world.
  • The Four Causes consist of the following:
  1. Material Cause: Refers to the matter or substance from which something is made.
  2. Formal Cause: Pertains to the form or pattern that gives an object its structure and organization.
  3. Efficient Cause: Relates to the agent or force responsible for bringing about change or producing a specific effect. copyright©
  4. Final Cause: Concerns the purpose or goal for which something exists or is done.

The Role of Form and Matter in the Four Causes

  • Form and matter play vital roles within Aristotle’s Four Causes, particularly in the Material and Formal Causes.
  • Material Cause: Directly associates with the concept of matter, representing the physical substance from which an object is constructed.
  • Formal Cause: Connects with the idea of form, representing the specific arrangement or organization of matter that gives an object its identity and structure.

Examples of the Four Causes in Action

  • To better grasp the concept of the Four Causes, let’s consider the example of a wooden chair:
  1. Material Cause: The wood used as the physical substance for constructing the chair.
  2. Formal Cause: The design or blueprint of the chair, encompassing its shape, dimensions, and arrangement of components.
  3. Efficient Cause: The carpenter who employs tools and techniques to shape the wood into the desired form of the chair.
  4. Final Cause: The purpose of the chair, which is to provide a comfortable and stable seating option.

6. Applications of Hylomorphism in Scholastic Philosophy

The Influence of Aristotle’s Hylomorphism on Medieval Philosophy

  • Aristotle’s hylomorphism had a profound impact on medieval philosophy, particularly in the realm of scholasticism. copyright©
  • Scholasticism aimed to reconcile faith and reason, and scholastic philosophers drew extensively from Aristotle’s works, including his hylomorphic theory.
  • Prominent scholastic philosophers, like Thomas Aquinas, embraced and adapted Aristotle’s hylomorphism to explain various aspects of reality, such as the nature of the soul, substance composition, and processes of change.
  • Aristotle’s hylomorphism offered a framework for understanding the interplay between form and matter, a crucial consideration in many medieval philosophical debates.

Applications of Hylomorphism in Various Areas of Scholastic Philosophy

  • Metaphysics: Scholastic philosophers utilized hylomorphism to elucidate substance composition, positing that every substance consists of form and matter. This perspective facilitated discussions on change, object identity, and the relationship between universals and particulars.
  • Theology: Hylomorphism played a pivotal role in Christian theology’s development, notably in the works of Thomas Aquinas. Aquinas applied Aristotle’s hylomorphism to the human soul, contending that the soul serves as the form of the body and the two are inseparable. This approach helped reconcile the Aristotelian understanding of the soul with Christian beliefs on soul immortality and bodily resurrection.
  • Ethics: Hylomorphism found applications in ethical inquiries, as scholastic philosophers employed the concepts of form and matter to expound upon virtues and vices. They argued that virtues are habits perfecting the human soul, while vices corrupt it. Thus, the acquired habits shape the soul’s form, determining an individual’s moral character. copyright©
  • Natural Philosophy: Hylomorphism was also employed in the study of natural phenomena, including substance generation and corruption, classification of living organisms, and explanations of motion and change. Scholastic philosophers utilized Aristotle’s hylomorphic framework to develop a comprehensive understanding of the natural world, laying the groundwork for later advancements in modern science.

7. Hylomorphism in Contemporary Philosophy

The Revival of Hylomorphic Theories in Modern Philosophy

  • Contemporary philosophy has witnessed a renewed interest in hylomorphic theories, with a growing number of philosophers exploring and developing this framework.
  • The revival of hylomorphism can be attributed, in part, to dissatisfaction with other metaphysical theories, such as substance dualism and materialism, which struggle to provide a comprehensive account of objects and their properties.
  • Hylomorphism presents an alternative approach that can encompass both the material and formal aspects of reality, making it an appealing option for contemporary philosophers.
  • Notable modern philosophers like Kit Fine, E.J. Lowe, and David Oderberg have contributed to the development of new versions of hylomorphism, addressing various metaphysical, philosophy of mind, and philosophy of science issues.

Criticisms and Challenges to Hylomorphism in Contemporary Thought

  • Despite its resurgence, hylomorphism faces several criticisms and challenges within contemporary philosophy.
  • One criticism is that hylomorphism is perceived as an outdated theory rooted in an Aristotelian understanding of the natural world, which has been surpassed by modern scientific advancements. copyright©
  • Additionally, providing a precise and coherent account of the relationship between form and matter, a central tenet of hylomorphism, presents a challenge for proponents of this framework.
  • Some philosophers argue that hylomorphism is too vague or ambiguous to offer a satisfactory explanation of the nature of objects and their properties.

The Relevance of Hylomorphism in the Context of Modern Science

  • Despite its ancient origins, hylomorphism can still bear relevance within the context of modern science.
  • Hylomorphic theories provide a metaphysical framework for comprehending the structure and organization of complex systems, particularly living organisms, which may elude complete explanation through reductionist approaches.
  • Hylomorphism can offer valuable insights into the nature of emergent properties, which arise from the interactions of simpler components but cannot be fully reduced to those components.
  • By incorporating insights from modern science and addressing its criticisms and challenges, hylomorphism holds the potential to contribute to contemporary philosophical discussions and enhance our understanding of the world.

8. Conclusion

Aristotle’s philosophy of form and matter, encapsulated in his hylomorphic theory, has left an indelible mark on Western thought. Its enduring significance lies in shaping our understanding of objects, change, and the interplay between material and formal aspects of reality. The impact of hylomorphism on Western philosophy is evident in its influence on scholastic thinkers, the development of theological and ethical frameworks, and its contributions to natural philosophy. Today, hylomorphism experiences a revival, as contemporary philosophers explore its potential and adapt it to address current metaphysical and scientific inquiries. The comprehensive and coherent framework offered by hylomorphism continues to enrich our understanding of the world, accommodating both material and formal dimensions of existence. copyright©

  1. Analyze Aristotle’s theory of substance, focusing on the relationship between form and matter, and discuss its implications for understanding the nature of reality and the process of change. (250 words)
  2. Compare and contrast Aristotle’s theory of substance with Plato’s theory of Forms, focusing on their respective approaches to understanding the nature of reality, the relationship between form and matter, and the process of change. (250 words)
  3. Examine the role of Aristotle’s theory of substance in his ethics, particularly in relation to the development of virtues, the pursuit of happiness, and the concept of moral growth. (250 words)
  4. Discuss the impact of Aristotle’s theory of substance on the development of subsequent philosophical thought, including its influence on medieval scholasticism, modern metaphysics, and contemporary debates in philosophy of mind and action. (250 words)
  5. Assess the relevance and applicability of Aristotle’s theory of substance in contemporary philosophical discussions, particularly in the context of debates about free will, determinism, and the nature of causality. (250 words)


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