Key Features and Branches of Philosophy
Classified in Philosophy and ethics
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Main Features of Philosophy
Philosophy is a radical “Why?”. It faces the basis of our world and existence. “Radical” means everything can be put into question, even philosophy itself (its own foundation). There are no prejudices allowed. For philosophy, nothing is taken for granted.
- Rational: No dogmas are allowed; it is based on logical arguments and experience.
- Systematic: Its assertions are related and hierarchical, ordered systematically without contradictions.
- Critical: Everything has to be examined by reason, even the simplest thing.
Philosophy is a problematizing discipline. Its value lies in its peculiar way of addressing problems more than in how it solves them. The questions, more than its answers, are valuable. It is a universalist and interdisciplinary subject; it covers all reality, useful, then, to establish unions between multiple disciplines.
Philosophy is practical, sometimes abstract. This axiological aspect of philosophy makes it quite unique since reason is used not only in a descriptive way (as in science) but also in an evaluative manner.
There are two great dimensions in philosophy: the theoretical and the practical. The first focuses on reality and knowledge (metaphysics and epistemology), the second on human action and morality (ethics and politics). Humans are rational; we use reason, with it we choose our beliefs and actions.
- Theoretical rationality: Reason when used to choose the best reasons to consider a statement true.
- Practical rationality: Reason when used to choose the best means for a particular end.
Fields of Philosophy
- Metaphysics (literally “beyond-physics”): The theory of reality and the ultimate nature of all things. It is subdivided into ontology, the study of “being” (of entities), and theology, the study of God.
- Logic (from logos “word”, “reason”, “discourse”, “speech”): The study of the formal structures of sound thinking and good argumentation, reasoning. It can be formal or informal.
- Epistemology (from episteme “science”, “knowledge”): Theory of knowledge, the study of truth criteria, and of the possibility. Part of it is the philosophy of science.
- Ethics (from ethos “habit”): Also called “moral philosophy”, the study of good and bad, right and wrong.
- Politics (from polis “city”, “society”): The study of different forms of government, the origin and justification of power and state, and a discussion of better ways to organize.
- Aesthetics (from aesthesis “sensitive knowledge”): The study of the experience of beauty and other emotive experiences and philosophy.
- Anthropology (from anthropos “human”): The study of the place humanity occupies in the world, its origin and nature. Questioning about the essence of humanity.
Outline of the History of Philosophy
Ancient Philosophy (VI BCE – IV)
- The pre-Socratics. Thales (ca. 620-546 BCE), Pythagoras (ca. 570-495 BCE), Parmenides (515-440 BCE), Heraclitus (540-475 BCE), Democritus (460- 371 BCE)
- Classical period. Socrates (470-399 BCE), Plato (428-348 BCE), Aristotle (384-322 BCE)
- Hellenistic philosophy (stoicism, Epicureanism, skepticism and Roman thought). Epicurus (241-270 BCE, Epicureanism), Lucio Anneo Seneca (4 BCE - 65 ACE, stoicism) and Pyrrho (365-275 BCE, skepticism).
- Neoplatonism: Plotinus
Medieval Philosophy (IV – XIV)
- Patristic philosophy. Augustine of Hippo (354-430)
- Arab and Jewish philosophy: Averroes (1126-1198) and Maimonides (1135-1204)
- Scholasticism: Thomas Aquinas (1225-1274), William of Ockham (1287-1347)
Modern Philosophy (XVII – XIX)
- Rationalism. René Descartes (1596-1650), G. W. Leibniz (1646-1716) and Baruch Spinoza (1632-1677).
- Empiricism. John Locke (1632-1704), George Berkeley (1682-1753) and David Hume (1711-1776).
- Enlightenment. J. J. Rousseau (1712-1778), Immanuel Kant (1724-1804)
- Idealism: Georg W. F. Hegel (1770-1831)
Contemporary Philosophy (XIX – Present Day)
- Anti-idealist: Arthur Schopenhauer (1788-1860), Friedrich Nietzsche (1844-1900) and Karl Marx
- Phenomenology: Edmund Husserl
- Utilitarianism: Jeremy Bentham and John Stuart Mill
- Positivism: Auguste Comte
- Pragmatism: Charles Sanders Peirce and William James
The main philosophical schools of the 20th Century are:
- Analytic philosophy (Russell)
- Existentialism (Heidegger, Sartre)
- The Frankfurt school (Adorno)
- Hermeneutics (Gadamer, Ricoeur)
- Postmodernism (Deleuze, Rorty)