Nature of philosophy

40,643 views 102 slides Oct 20, 2017
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About This Presentation

Definition of Philosophy according to different authors


Slide Content

Nature of Philosophy Mrs. Lorraine S. Almario

One cannot simply divorce himself/herself from philosophy. The moment someone starts asking anything about his/her environment, himself/herself, and his/her society, this person in already philosophizing.

It is in the nature of philosophy that a person inquires for the meaning of himself/herself and the world around him/her . It inquires about the entire breadth of reality, and gives a purely rational explanation of its totality.

General Statements that attempt to explain philosophy Philosophy integrates itself with other disciplines to achieve a comprehensive and coherent world view. Philosophy analyzes the very foundations of other disciplines. Philosophy analyzes and criticizes treasured beliefs and traditions.

What is Philosophy? (Christine Carmela Ramos - REX) Greek words: philo – to love, sophia – wisdom s cience that by natural light of reason studies the first causes or highest principles of all things

Things to be considered: Science i nvestigation is systematic follows certain steps / employs certain procedures o rganized body of knowledge just like any other sciences

Natural light of Reason i nvestigates things not by using any other laboratory instrument or investigative tools, neither on the basis of supernatural revelation u ses his natural capacity to think or simply human reason alone (unaided reason)

Study of All things Philosopher studies human beings, society, religion, language, God, and plants n ot one dimensional or partial

a philosopher does not limit himself to a particular object of inquiry questions almost anything, if not everything multidimensional or holistic

Early Greek philosophers studied aspects of the natural and human world that later became separate sciences – astronomy, physics, psychology, and sociology.

What is Philosophy? ( Nuelan A. Magbanua – BRILLIANT CREATIONS) Discovery of philosophy may be attributed to Pythagoras of Samos who was the first to use the term “philosopher.” There is a big difference between being a lover of wisdom and a mere receiver of knowledge. For philosophers, they aim to be wise in almost all aspects of human discipline, inquiring and investigating all forms of human phenomena.

Certain basic problems – the nature of the universe, the standard of justice, the validity of knowledge, the correct application of reason, and the criteria of beauty – have been the domain of philosophy from its beginnings

They seek to answer the questions of the world, not because they are forced to do so, but because they are passionate in their quest for wisdom. Philosophers are known to be entities or beings of wisdom, for their teachings helped shed light to the many questions of humankind.

Their wisdom stood the test of time and were even immortalized that up to this day, they become the bases of the people’s judgments and decisions. Philosophy is a field of study that desires to understand and comprehend the mysteries of reality, to unveil the nature of truth, and examine the significance of life.

It also became the story of people who never cease to wonder, inquire, and investigate about everything and anything under the sun.

What is Philosophy ( Sioco & Vinzons - VIBAL) Philosophy is a mother discipline out if which the other sciences emerge. During ancient times, in Greek Ionia, any investigation regarding the nature of things would be labeled as ‘ phusis ’ or nature. Back then, there was no distinction between science, philosophy, or religion.

Before philosophy, the ancient Greeks were so engrossed with their myths about their gods and goddesses such an extent that in order to please the gods and grant their wishes, they would offer some token.

Around 650 BC, a man from a fishing village in Miletus – Thales started to diverge from the mythological tradition and sought to answer questions like: What is the underlying substance that reality is made of? How do things come to be, change and pass away? Is there something that remains amidst all these changes?

Thales was the first man in recorded history to veer away from mythological tradition and began to view things in different angle.

HISTORY OF PHILOSOPHY 7th Century B.C.

Milesians Thales - water Anaximander - infinite/ apeiron Heraclitus – fire  "Strife is the father of all."  Anaxagoras "There is a portion of everything in everything" -- earliest theory of infinite divisibility. 

Late 7th Century B.C. to Early 5th Century B.C.

Pre-Socratics Empedocles - water, air, fire, and earth Parmenides -  the world is a uniform solid, spherical in shape; "Being is, Non-Being is not"; empty space cannot exist if all things are made of basic stuff

Zeno of Elea - paradoxes of space and motion Euclid - logic and mathematical theory Pythagoras - numbers Plato's Theory of Forms was greatly influenced by Parmenides' notion of the One and by the mathematical conclusions of Pythagoras.

6th Century B.C.

Eastern prophets & moral teachers Lao-Tse - The Buddha, a title meaning "the enlightened one," said life itself is marked by suffering, and that the path to transcendence (nirvana) lay in avoiding the extremes of self-indulgence and self-mortification. 

Confucius - Confucius' ethics centered on the ideas of benevolence, filial piety, and reciprocity (treating others as one would wish to be treated)

Buddha - discerned an underlying reality of all things, the understanding of which depends on emptying one's soul and focusing on "The Way," or Tao

Early 5th Century B.C. to Late 4th Century B.C.

Socrates Socrates developed a method of questioning designed to expose weaknesses in the interrogated (sometimes referred to as the maieutic method, in which the questioner acts as a midwife, helping to give birth to others' thoughts ).

He believed circumspect use of language and endless self-questioning are crucial in the quest for wisdom. Teacher of Plato, world-sage in outlook, he saw philosophy as a way of life, the highest calling of a select few. For him the highest good is knowledge. He wrote nothing but dramatically influenced the course of intellectual history.

Plato Plato, teacher of Aristotle, set forth his philosophy in dialogues, chief protagonist of which was Socrates, his mentor; he founded the Academy (c. 387 BC), perhaps the first institution of learning in the western world.

Most famous for his Theory of Forms (phenomenal world of matter just an imperfect reflection of an immutable, transcendental world of ideas). Plato believed that knowledge is a process of remembering; the objects of knowledge are ideal and immutable. 

Aristotle Aristotle theorized on a vast range of subjects: biology, ethics, logic, metaphysics, politics, &c. He founded the Lyceum and tutored Alexander the Great. He's considered history's first logician and biologist.

His thinking influenced numerous theologians and philosophers, including St. Augustine and Thomas Aquinas. He was a naturalist who revised Plato's theory of form and matter; for Aristotle, the form is what makes matter what it is (as the soul defines a living body).

He put forth two general principles of proof: the excluded middle (everything must either have or not have a given characteristic), and the law of contradiction (nothing can both have and not have a given characteristic).

Middle 4th Century B.C. to Early 3rd Century B.C.

Epicurus/Epicureanism – known mostly for hedonistic ethical system in which pleasure is the highest good ( Epicurus: "Eat, drink, and be merry for tomorrow you will die.")

Quality of pleasure more important than mere quantity. Epicureans defended an atomistic view of the world (i.e., things are made up of minute, indivisible particles that move about in a void). Epicurus believed there are infinitely many worlds (what we call "galaxies" today).

Early Third Century B.C. to Third Century A.D.

Stoics Zeno Seneca Epictetus Marcus Aurelius

Name Stoicism derived from  stoa , or porch, where the movement's founder Zeno (not Zeno of Elea) taught. Everything happens for a reason, so that the goal of life should be acquiescence to divine laws, not resistance.

God is immanent in all matter, creates a harmonious order. Later Roman Stoics affirmed same themes: need for harmony in one's life, for spiritual growth which ideally would exist in seclusion from the everyday hassles of society.

Late Fifth Century B.C. to Second Century A.D.

Skeptics Pyrrho of Elis, Timon Antisthenes , and later, Sextus Empiricus

Avoided doctrines and dogmas and sought to criticize existing ideas. Nothing is truly knowable; doubt is the most tenable disposition of mind ( Pyrrho ).

Important harbinger of later empiricism, of the modern scientific method, of religious agnosticism. Profoundly influenced later philosophers (Descartes, Hume, Santayana among them).

Fourth Century B.C. to Sixth Century A.D. (not a continuous school)

Cynics Diogenes Antisthenes

Name "Cynic" comes from nickname given Diogenes: the Dog. Cynical philosophy unrelated to modern acceptation of the term (view that people act self- centeredly in pursuit of narrow aims).

According to the older Greek philosophy, happiness is found in virtuous action; goods in the external world (wealth, fame, pleasure, individualistic ambitions) are unnatural and harmful.

First Century A.D. to Seventeenth Century A.D. (for various Christian philosophies)

Christian & Arabian Philosophy The advent of the Church led to numerous questions about Jesus' nature, about the nature of God and the universe, the nature of the Trinity, the question about faith and reason (are they naturally opposed or naturally complementary ?).

Philosophical speculation spills over into theological speculation. Philosophers (e.g., Origen and Clement, Boethius, Plotinus, Augustine, Avicenna, Averroes, Maimonides, and later Aquinas) are chiefly concerned with religious questions.

Greatest influence on Christianity was Platonism, with its emphasis on the superiority of the soul (spirit) against all materialistic and bodily functions, the belief in a higher, transcendent world (heaven for religious devotees), belief in Truth and Virtue and acceptance of immutable, perfect Forms (Jesus being the Form of ideal humanity).

Early post-Hellenistic philosophy reached its summit in the Medieval Period, with the philosophy of Anselm and Aquinas and the poetry of Dante.

Late Fifth Century A.D. to Middle Fifteenth Century

Medieval Period Boethius Abelard William of Ockham Averroes Maimonides Anselm Avicenna Aquinas Dante Duns Scotus

a dvent of scholasticism: strict adherence to rationalism inclination to pore over numerous theological questions i deas prevalent in this era: question of universals debates about existence and essence

Birth of Modern Science Bacon Copernicus Kepler Galileo

Late 15th to Late 17th Centuries

Kepler sought to provide mathematic proofs of Copernicus' views. Galileo , an Italian physicist, combined math and science to fashion a new scientific worldview.   He was the first to use a telescope, the first to confirm that Copernicus' view was correct.

Old views of the world come under scrutiny and are revised (e.g., Ptolemaic view that earth is the center of the universe ). Copernicus, a Polish astronomer, challenged the Ptolemaic view; he said the sun was the center of our solar system, and that the earth and other planets revolve around it.

The Church at this time looked upon scientific experimentation with hostility and agitation; Galileo was forced to utter a recantation of his views, which he did half-heartedly .

Francis Bacon, considered the father of science in England, made no actual discoveries (lawyer , essayist, moral philosopher and man of letters) but gave voice to the inductive method of science and, more importantly, to empiricism (pursuit of knowledge by observation and experiment, not by use of reason alone). 

This period marked the end of scholasticism, the growth of intellectual curiosity and freedom, and the belief, however tacit, that knowledge about the universe can be derived not from revelation, as many of the scholastics thought, but from direct investigation and observation.

Early 17th Century to Early 18th Century

Modern Philosophy Hobbes Descartes Newton

English philosopher Thomas Hobbes was influenced by both Bacon and Galileo. He set out to construct a "master science" of "nature, man, and society"; if knowledge of nature is obtainable, Hobbes reasoned, knowledge of human nature must also be in reach.

He steered away from empiricism, however, and sought to formulate principles of human conduct . The natural state of all bodies, he concluded, is motion; material universe is matter in motion. Life is motion in limbs, nerves, cells, and heart; human feelings, such as desire and aversion, are motions either towards something or away from it. 

Descartes , known by many as the Father of modern philosophy, revisited the themes of skepticism (only thing that he couldn't doubt was himself thinking, hence  cogito ergo sum ); H e made landmark contributions to mathematics , Cartesian geometry.

Mid 17th Century to Early 19th Century

Second Half Of Modern Period Spinoza Leibnitz

Cartesian thought proved immediately influential: both Spinoza and Leibniz shared the Frenchman's passion for ratiocination and developed metaphysical systems of their own. Like Descartes, Spinoza and Leibnitz believed in a rational, benevolent God.

Spinoza wrote the  Ethics , whose style took the form of geometrical analysis; he was a determinist, denied final causes, sought to transcend the distinction between good and evil altogether, and perhaps most controversially , equated God with creation. Leibnitz's chief contribution was the monads or metaphysical units that make up substance.

Mid 17th Century t o Early 19th Century

Second Half Of Modern Period  Locke Berkeley Hume Rousseau Kant

Locke veered away from metaphysical notions and sought instead an approach encompassing the empiricism of Bacon and the skepticism of Descartes. Purpose of philosophy is to formulate and analyze concrete problems, he said, a view which is strikingly popular in universities today.

  Locke denied that people are born with innate knowledge; human beings are born with a  tabula rasa , or empty slate, everything subsequently known coming from sensory experience. 

George Berkeley, a bishop, attacked Locke's view of knowledge and instead proposed an idealist system ( esse est percipi :  to be is to be perceived). Matter , Berkeley said, is really only a mental representation in our mind. 

Hume assailed Berkeley's views of knowledge and reality and argued that reason cannot give certain knowledge. There is no proof of causality, Hume contended; the skeptical vantage point is the safest to assume in all questions of truth and knowledge.

Rousseau's contribution was less in the field of epistemology, more in the areas of ethics and political philosophy. He believed that people are born good but that society wields a corrupting influence on them.

According to Kant, the world of things-in-themselves is unknowable; the world of appearance, the phenomenal world governed by laws, is knowable. Transcendental knowledge is impossible. Kant rejected the argument of the empiricists that all knowledge is derived from sensory experience.

19th Century

Post-Kantian Thinkers Schopenhauer Fichte Hegel Marx

Schopenhauer thought the driving force of reality is Will . Knowledge depends not on reason but Will; to understand reality, we need to look inward, not outward .

Hegel defined the Absolute (unity of God and Mind), popularized the dialectical approach to truth in which assertion is followed by negation, which in turn is followed by synthesis. Hegel held that the external world  is  mind: there is no real bridge between the knowing mind and what the mind knows.

Marx excoriated religion, embraced a determinist perspective, and most of all, saw class conflict and capitalist-driven economic disparity as the hallmarks of industrial society.

19th Century

Humanistic Philosophy & Growth of Modern Science Comte J.S. Mill Darwin

French philosopher Auguste Comte is credited with developing positive philosophy, or positivism, the view that metaphysics is a meaningless endeavor and that the right emphasis for philosophy should be along the lines of the scientific method.

Influenced by his father, James Mill, and by Jeremy Bentham, J.S. Mill defended liberty of expression fought for women's rights and advanced qualitative utilitarianism as a moral philosophy . Darwin, another Englishman, is of course best known for  The Origin of Species , a work advancing the theory of evolution and the doctrine of natural selection. 

19th And 20th Centuries

Nihilism & Existentialism Kierkegaard Nietzsche Heidegger Sartre

Existentialism: the view that existence precedes essence, that there's no meaning or value or truth to life  a priori . Kierkegaard , reputed "founder" of existentialism Heidegger: idea of death provokes a fear of nothingness; people hide in inauthentic routines; they seek to renounce their freedom to act

Sartre: human beings are unique because they can both act and be aware of it at the same time. 

19th And 20th Centuries

American Philosophy Peirce James Dewey

C.S . Peirce gives birth to pragmatism (doctrine which sees truth as the effectiveness of an idea used as an hypothesis; test of truth is whether idea works when tested by experiment );

William James elaborates upon the doctrine (metaphysics the enemy of a pragmatist; goal of pragmatism to be clear and precise in one's thinking; doctrine is empirical in nature).

 Dewey another pragmatist, but didn't share James' fondness for religion or Peirce's interest in metaphysical criticism. Dewey was most famous for his progressive contributions to education and his outspoken criticism of American culture.

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