Unit 2 Philosophy - Epistemology Flashcards
Skepticism
What is it?
- Philosophical skepticism is a systematic approach that questions the notion that absolutely certain knowledge is possible.
- It isn’t the same as commonplace skepticism - Ie. a student says they don’t have their assignment done because “their printer is broken.”
- For the skeptics, the logical argument was impossible, as it relied on propositions which could not be said to be either true or false without relying on further propositions. This was the regress argument, whereby every proposition must rely on other propositions in order to maintain its validity.
Skepticism
Who is it?
- Pyrrho of Elis is credited with the foundation of this school of thought - He travelled to India as a young man and was taught by the gymnosophists - the naked lovers of wisdom. Then, he went back to Greece and taught that objective knowledge is impossible to have.
All judgements must be suspended. - In Islamic philosophy, skepticism was established by Al-Ghazali (1058-1111), known in the West as “Algazel”, as part of the orthodox Ash’ari school of Islamic theology
- René Descartes is credited for developing global skepticism as a thought experiment in his attempt to find absolute certainty on which to base the foundation of his philosophy. However, Descartes was not totally a skeptic and developed his theory of an absolute certainty to disprove other skeptics who argued that there is no certainty.
Ten Modes of Doubt
- The skeptics argued that there were TEN MODES OF DOUBT - ten reasons that you cannot be certain.
- They argued against all others who claimed to know things about the world with certainty
Ten Modes of Doubt - 1
- Animals are all different and perceive the world differently.
- Cats can see at night, hawks can see for miles. Dogs can smell things that to us, don’t exist. Which is truth?
Ten Modes of Doubt - 2
- Some people like some things, some like others.
- To some, coffee is delicious, but to others it is gross. Some people like the heat, others prefer cold.
- Some people drink whisky and enjoy it, while others hate it.
Ten Modes of Doubt - 3
Things appear different to our different senses. An apple may appear yellow, and taste sweet. All of our senses tell us different information, but none are duplicated. A meal make look awful, but taste delicious. You have a SINGLE sense for each form of perception. How do you know it’s correct without confirmation?
Ten Modes of Doubt - 4
Circumstantial conditions can change everything. For example, you may perceive thing differently when tired, or angry. Friends may be funny to you while you are feeling good, but annoying when you are upset.
Ten Modes of Doubt - 5
- Different groups have different practices. What is beautiful to one group, will be strange or ugly to the next.
- Some people will believe one thing is funny, but others won’t.
Ten Modes of Doubt - 6
- You never experience anything on its own, only in combination with something else.
- Example - right now, you are seeing because of the quality of lights in the ceiling. Change the lights and appearances change - which one is ‘correct’?
- Is it a brown or a red fish?
Ten Modes of Doubt - 7
- Quantities changes the nature of things. A little chocolate each day is good for you. 12 chocolate bars a day is bad for you.
- A glass of red wine a day is healthy. 7 glasses on a Monday morning is not. Are wine & chocolate healthy? It depends.
Ten Modes of Doubt - 8
- Positions and distances change the nature of things. Mountains in the distance appear smooth. The moon often appears larger than the sun. The sun appears larger as it approaches the horizon.
Ten Modes of Doubt - 9
- Some things change based on their rarity. A hurricane would be very surprising here and noted for how rare hurricanes are. In the Caribbean it would be normal.
- If you are an A+ student, you failing a test may indicate that the test was very hard. But something with a 20% failing would not indicate the same thing.
Ten Modes of Doubt - 10
- Inter-relations make things impossible to judge.
- ‘Is that heavy?’ is an impossible question to answer. Is it heavy for me? For you? For a small child?
- ‘Is the test hard?’ is also an impossible question. It depends too much on who is asking and who is answering.
Skepticism - To review:
- The skeptics were an Ancient Greek philosophical school that emphasized our inability to know anything with certainty.
- They did not say that true knowledge was IMPOSSIBLE to know, just that we cannot know it right now, using our senses or our limited understanding of the world.
- Although skepticism isn’t a popular philosophy anymore, it is an important one as people need to always question the ideas that they have and how they are acquiring them.
- The more important thing about Skepticism is the understanding that people must always question what they know, even their most cherished beliefs and ideas.
The Point of Skepticism
- The point was to encourage an active process of questioning and to not allow people to become complacent in the things that they choose to believe.
- Skeptics felt that the real enemy of knowledge and intelligence was the intellectual complacency that leads people to simply accept all the pieces of knowledge that they are given.
- QUESTION EVERYTHING - would be their motto.
Knowledge
- Most people believe that they know what knowledge is already.
- Only when you try to define it, does it become more difficult.
- So, what is true knowledge?
- The opposite of a lie? But this is circular reasoning…..because now you must define a lie by saying that it is the opposite of truth
- Throughout the ages, philosophy, art, religion, science and politics have all claimed to have ‘the truth’
Plato - What is Knowledge?
- Had an unshakable belief in the existence of unequivocal, objective and absolute truths.
- Often argued with the Sophists over their relativism.
- Knowledge is out there, and you can find it.
DT Suzuki
- Zen Buddhist philosopher
- Knowledge is derived from two sources: prajna (intuition) and vijana (reason)
- Western philosophy focuses too much on reason, and denies intuition as a valid source of knowledge in some circumstances
Fernandez-Armesto
- The truth you feel – non-rational and sensory.
- The truth you are told – by authorities, religious, secular or political.
- The truth of reason – discovered through active thought
- The truth you perceive through your senses
JTB – Justified True Belief
- Most philosophers since Plato have accepted that “knowledge” can be accurately be called ‘justified true belief’
- The concept of justified true belief states that in order to know that a given proposition is true, one must not only believe the relevant true proposition but also have justification for doing so.
- Justified - you have enough evidence to classify the information as correct
- True - the information is actually true, based on physical evidence
- Belief - you believe that the information is correct and counts as knowledge
Rationalism
Where does knowledge come from?
Rationalism would say that Knowledge and Reason are the most important sources of knowledge, and your experiences and observations are probably messed up. Reason and logic alone can lead you to knowledge.
Prominent Rationalists
Plato - The Cave and the World of Forms - access is innate, using your rational mind
Descartes - Cogito Ergo Sum, deductive reasoning, Evil Genius
Noam Chomsky - language is innate - innate knowledge = rationalism
Rationalism and the Sciences
- Rationalism started with Plato (World of Forms) but really took off during the Enlightenment and the Age of Scientific Reasoning.
- Rationalism attempts to explain how knowledge obtained through a human cognitive activity could be an objective, universal and necessary truth.
- Rationalism maintains that knowledge can be attained through reason, which serves as the source of knowledge, a precondition for truth, and a grounding for mathematical and scientific knowledge.
How Rationalists Form Knowledge
First, Rationalists believe that evidence gained through the senses, i.e. seeing, touching, tasting, hearing and smelling, is fallible, confusing and misleading. (Think of the Skeptics)
You sense things different than other people. You even perceive things differently on different days.
Second, they construct accounts of how reason in some form or other provides additional information about the world. How does our rational mind provide us with the information that we need in the world?
The Intuition/Deduction Thesis
The intuition/deduction thesis claims that some propositions in a particular subject area are knowable to us by intuition only, while others are knowable by being deducted from intuited propositions.
Intuition is regarded as a form of rational insight. Intellectually grasping a proposition, we just “know” it to be true in such a way as to form a true, defensible belief in it.
Deduction is a process in which we derive conclusions from an intuited premise through valid arguments, where the conclusion must be true if the premise is true.
Intuition and deduction thus provide us with knowledge a priori (not using sense experience).
EXAMPLE - I think (intuition), therefore I am (deduction).
The Innate Knowledge Thesis
Innate knowledge means having knowledge of some truth in a particular subject area. Like the intuition/deduction thesis, the innate knowledge thesis also asserts the existence of knowledge gained a priori (without using the senses).
This is Noam Chomsky’s language argument. He says that language is inherent to our species - within our neurological development.
The Innate Concept Theory
According to the innate concept thesis some of the concepts are not gained from experience – they are part of our rational nature. While sense experiences may trigger a process by which they are brought to consciousness, experience does not provide the concepts or determine the information they contain. The content and strength of the innate concept thesis varies with the concepts claimed to be innate. The more a concept seems to be removed from the experience and the mental options we can perform on experience, the more plausibly it may be claimed to be innate.
Plato, seeing how good Socrates was at questioning people and bringing them to concepts, was a big believer in the Innate Concept Theory. Socrates was bringing people BACK to concepts they already knew but had lost due to a variety of reasons (self-interest, societal norms etc.)
The Indispensability of Reason Thesis
The indispensability of reason thesis claims that the knowledge that we gain by intuition and deduction, and the knowledge that is innate to us, could not have been gained through sense experience.
We need to think deeply in a way that is divorced from sense experience to gain knowledge. Deep thinking is a way in which we can use the mind to create knowledge. It requires thinking beyond sense experience.
Think of JUSTICE. Imagine someone living in horrible circumstances, having NEVER seen a singular example of a just act in their lives. They would need to think deeply on the concept of justice to gain that knowledge.
The Superiority of Reason Thesis
The superiority of reason thesis claims that the knowledge we gain by intuition and deduction, or have innately, is superior to any knowledge gained by sense experience.
Our senses, even when working well, do not and cannot give us 100% reliable information. Reason, when done properly, could.
Prominent Empiricists
Aristotle - Inductive Reasoning = knowledge
Avicenna - familiarity then to concepts
Abubacer - feral child example
John Locke - Tabula Rasa = Equality
Empiricism - What is it?
Empiricism is the theory that the origin of all knowledge is sense experience.
It emphasizes the role of experience and evidence, especially sensory perception, in the formation of ideas, and argues that the only knowledge humans can have is a posteriori (i.e. based on experience).
Most empiricists also discount the notion of innate ideas or innatism (the idea that the mind is born with ideas or knowledge and is not a “blank slate” at birth).
The doctrine of Empiricism was BEST explicitly formulated by the British philosopher John Locke in the late 17th Century.
Locke argued in his “An Essay Concerning Human Understanding” of 1690 that the mind is a tabula rasa on which experiences leave their marks, and therefore denied that humans have innate ideas or that anything is knowable without reference to experience.
Empiricism = ? Reasoning
Inductive Reasoning
Inductive Reasoning:
I have a piece of food.
It fits in one hand.
It is red.
It is juicy.
It has a short stem, and seeds in the middle.
What is the piece of food in my hand?
Rationalism = ? Reasoning
Deductive reasoning
Rationalists use deductive reasoning by starting with general principles and logically deriving specific conclusions from them. For example, if a rationalist believes that “all humans are mortal” (premise), and “Socrates is a human” (premise), then they can deduce the conclusion that “Socrates is mortal.” They rely on formal logic to ensure the validity and soundness of their deductions, helping them test hypotheses and build coherent systems of thought.
Inductive Reasoning and Empiricism
In order to build a more complex body of knowledge from these direct observations, inductive reasoning (making generalizations based on individual instances) must be used. This kind of knowledge is therefore also known as indirect empirical knowledge.
Inductive Reasoning:
I have a piece of food.
It fits in one hand.
It is red.
It is juicy.
It has a short stem, and seeds in the middle.
What is the piece of food in my hand?
George Berkeley’s Empiricism
- His Irish buddy, George Berkeley, who was also a Bishop, argued that this could eventually risk ATHEISM if we only believed in the things that we could perceive with the senses.
- But he then develops an EXTREME version of empiricism, known as subjective idealism or solipsism. Our knowledge does not provide enough evidence to ‘prove’ the existence of anything.
- Luckily, God is perceiving us all the time. So we exist.
ESSE EST PERCEPI
- To be is to be perceived.
- Berkeley is saying that things only exist IF we perceive them. If we do not perceive them, then they do not exist.
- When you were a kid, and you plugged your ears, closed your eyes and said, “lalalala, I can’t hear you!” - you made that person CEASE TO EXIST.
Empiricism Review
- We use our senses all the time, every single day. We gain knowledge about the world around us, and we draw conclusions using inductive reasoning.
- It may be flawed at times (hasty generalization, lazy induction), but we can work hard to minimize those mistakes.
- Sometimes your senses are wrong. We have to watch for that, and not draw conclusions too quickly.
- Other times, people don’t use logic very well. We have to focus on using our logic as effectively as possible.
Confucius
Basic Bio Details
Concepts/Ideas/Ideologies
Basic Bio Details: Confucius (551-479 BCE) was a Chinese philosopher and teacher during the Spring and Autumn periods of Chinese history.
Concepts/Ideas/Ideologies: Confucius emphasized the importance of moral education and self-cultivation. He believed that knowledge comes from studying the classics, engaging in moral self-reflection, and cultivating virtues such as benevolence (ren) and propriety (li).
Al Ghazali
Basic Bio Details:
Concepts/Ideas/Ideologies:
Basic Bio Details: Abu Hamid al-Ghazali (1058-1111 CE) was a Persian Islamic philosopher, theologian, and mystic.
Concepts/Ideas/Ideologies: Al-Ghazali emphasized the limitations of human reason in understanding ultimate truths. He advocated for a balance between reason and revelation, arguing that true knowledge comes from both intellectual inquiry and spiritual insight.
Rene Descartes
Basic Bio Details:
Concepts/Ideas/Ideologies:
Basic Bio Details: René Descartes (1596-1650 CE) was a French philosopher, mathematician, and scientist, often dubbed the “Father of Modern Philosophy.”
Concepts/Ideas/Ideologies: Descartes is known for his method of doubt, which aimed to establish a foundation of certain knowledge. He emphasized the importance of self-reflection and argued that the only indubitable knowledge is that of one’s own existence (“cogito, ergo sum”).
John Locke
Basic Bio Details:
Concepts/Ideas/Ideologies:
Basic Bio Details: John Locke (1632-1704 CE) was an English philosopher and physician, known as one of the most influential Enlightenment thinkers.
Concepts/Ideas/Ideologies: Locke is famous for his empiricist approach to epistemology. He argued that knowledge comes from sensory experience, rejecting innate ideas and proposing that the mind at birth is a “tabula rasa” (blank slate) upon which experience writes.
David Hume
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Concepts/Ideas/Ideologies:
Basic Bio Details: David Hume (1711-1776 CE) was a Scottish Enlightenment philosopher, historian, and economist.
Concepts/Ideas/Ideologies: Hume expanded on empiricism, emphasizing the limitations of human understanding. He argued that knowledge is ultimately based on sense perceptions and impressions, questioning the possibility of proving causality through reason alone.
Immanuel Kant
Basic Bio Details:
Concepts/Ideas/Ideologies:
Basic Bio Details: Immanuel Kant (1724-1804 CE) was a German philosopher whose work marked a turning point in Western philosophy.
Concepts/Ideas/Ideologies: Kant sought to reconcile rationalism and empiricism by proposing a transcendental idealism. He argued that while sensory experience provides the raw material for knowledge, it is the mind’s innate structures (categories of understanding) that shape and organize this experience.
Friedrich Nietzsche
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Concepts/Ideas/Ideologies:
Basic Bio Details: Friedrich Nietzsche (1844-1900 CE) was a German philosopher, cultural critic, and poet.
Concepts/Ideas/Ideologies: Nietzsche’s epistemological ideas are deeply critical of traditional philosophy. He questioned the possibility of objective truth, arguing that all knowledge is subjective and influenced by individual perspectives, power dynamics, and historical context.
Ludwig Wittgenstein
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Concepts/Ideas/Ideologies:
Basic Bio Details: Ludwig Wittgenstein (1889-1951 CE) was an Austrian-British philosopher, known for his contributions to the philosophy of language and logic.
Concepts/Ideas/Ideologies: Wittgenstein’s early work focused on language and meaning, proposing that the meaning of a word is its use in the language. Later, he emphasized the importance of language games and how they shape our understanding of the world.
Karl Popper
Basic Bio Details:
Concepts/Ideas/Ideologies:
Basic Bio Details: Karl Popper (1902-1994 CE) was an Austrian-British philosopher of science, known for his contributions to the philosophy of science and political philosophy.
Concepts/Ideas/Ideologies: Popper is known for his theory of falsifiability, which asserts that scientific theories should be open to falsification through empirical testing. He emphasized the importance of conjecture and refutation in the growth of scientific knowledge.
Edmund Gettier
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Concepts/Ideas/Ideologies:
Basic Bio Details: Edmund Gettier is an American philosopher, best known for his 1963 paper challenging the traditional definition of knowledge.
Concepts/Ideas/Ideologies: Gettier is famous for his counterexamples to the “justified true belief” account of knowledge. His examples raised questions about the necessary conditions for knowledge, leading to significant developments in epistemology.
Nancy Hartsock
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Concepts/Ideas/Ideologies:
Basic Bio Details: Nancy Hartsock is an American feminist philosopher, known for her contributions to feminist theory and political philosophy.
Concepts/Ideas/Ideologies: Hartsock’s work intersects with feminist epistemology, which challenges traditional notions of objectivity and rationality. She emphasizes the importance of standpoint theory, arguing that knowledge is shaped by one’s social position and lived experiences.
Noam Chomsky
Basic Bio Details:
Concepts/Ideas/Ideologies:
Basic Bio Details: Noam Chomsky (1928-present) is an American linguist, philosopher, cognitive scientist, and political activist.
Concepts/Ideas/Ideologies: Noam Chomsky (1928-present) is an American linguist, philosopher, cognitive scientist, and political activist. Chomsky’s work in linguistics has significant implications for epistemology, particularly in his theory of universal grammar. He argues that the human capacity for language is innate and that certain linguistic structures are hardwired into the human brain, shaping the way we perceive and understand the world.
Post-Kant
After Kant’s Critique of Pure Reason, the focus on epistemology became on how your mind is organized (categories), and how that will affect your perception of the world.
Sigmund Freud
- An Austrian neurologist, who became the founder of psychoanalysis.
- Died in 1939 – after spending most of his life as a professor and practicing medical doctor in Vienna.
- Highly controversial figure…with a sweet beard.
Pleasure Principle
- People are naturally governed by a need to maximize pleasure and minimize pain = this is the driving force of all people.
- Inner emotional conflicts cause anxiety - not to be confused with existential anxiety.
- We don’t like anxiety and do whatever we can to minimize it.
The Unconscious Mind - Why is the Unconscious Mind important?
- we are not entirely aware of what we think and often act for reasons that have little to do with our conscious thoughts
- we try to keep some of these things hidden because they cause us anxiety
Three-Part Psyche
- ID
- EGO
- SUPEREGO
ID -
your instincts and drives – totally pleasure-driven and amoral
your ID is aggressive, sexual and illogical - not acceptable in society.
your ID is a selfish child, wanting everything it sees
EGO -
your mediator between the ID and the SUPEREGO – tries to get you some things that you want, but in socially acceptable ways.
your EGO tries to keep you sane as you develop by using defence mechanisms
SUPEREGO -
the rules that are imposed by the world, your culture and your society.
your SUPEREGO is a goody-goody stiff always telling you that you’re bad
The Oedipal Complex
Named after the famous Greek mythological story of Oedipus Rex
Freud developed the Oedipus complex as an explanation of the formation of the SUPEREGO
Little boys first become attached to mom, who does most of the loving and caregiving
Later, the little boys libido kicks in a little, and he loves and wishes to marry mom (and do other things that married people do….)
But little boy knows that dad will be angry at this urge which makes little boy fear that dad may castrate him.
Boy develops the SUPEREGO by internalizing dad’s rules and identifying with dad
In reality, little boy’s ID wants to kill dad and take mom as his own, which is very unacceptable and causes a great deal of anxiety.
Defence mechanisms develop to hide this desire from ourselves
PS – Girls can have this too. Its called an Electra complex and is more complicated, but just as disturbing.
Defence Mechanisms
When anxiety becomes too overwhelming it is then the place of the ego to use defence mechanisms to protect yourself.
Defence mechanisms work by distorting the id impulses into acceptable forms, or by unconscious blockage of these impulses.
Defence Mechanisms & Examples
Remember – all these defense mechanisms are designed to hide what we really want, from ourselves, because we want things that are socially unacceptable.
- Denial
- Displacement
- Escapism
- Humour
- Inversion
- Isolation
- Projection
- Rationalization
- Reaction Formation
- Undoing
- Sublimation
Psychosexual Development - Name, Age, Principle Task
- Oral Stage, Birth-18 Months, Weaning
- Anal Stage, 18 months - 3/4 years, Toilet Training
- Phallic Stage, 3/4 years - 5-7 years, Sexual Identity
- Latent Stage, 5/7 - Puberty, Learning
- Genital Stage, Puberty - Onwards, Genital Intercourse
Fixation
Strong conflict can fixate people at early stages.
Ie. The Oral receptive personality is preoccupied with eating/drinking and reduces tension through oral activity such as eating, drinking, smoking, and biting nails. They are generally passive, needy and sensitive to rejection. They will easily ‘swallow’ other people’s ideas.
- The Oral aggressive personality is hostile and verbally abusive to others, using mouth-based aggression.
Ie. The Anal retentive personality is stingy, with a compulsive seeking of order and tidiness. The person is generally stubborn and a perfectionist.
- The Anal expulsive personality is the opposite of the Anal retentive personality, and has a lack of self-control, being generally messy and careless.
Pragmatism
- Charles Pierce, William James
- The meaning of a doctrine/idea is the same as the practical effects of adopting it
- Any belief might be respectable (or true) if it works
- But what does ‘works’ mean?
- Many have claimed it is wildly subjective and, therefore, not meaningful
- The motivation of pragmatism is that ‘truth’ must have a connection with success
Problems with Pragmatism
- For many, this philosophy is as stupid as it is dangerous.
- If Nazis were benefited by their belief, does that make it true?
- If slave owners believed in slavery and felt it was beneficial, is that ok? Does it make racist beliefs, true? Obviously not.
- If you work in the oil fields, does climate change become factually incorrect?
Deconstructionism
- a skeptical approach
- there is no privileged point that can confer significance or meaning on any given text or situation
- there is only the limitless opportunity for more commentary and ideas
Jacques Derrida
- Derrida says that meaning must be interpreted – it is never objective
- Many of our ideas are simply linguistic constructs with no objective meaning
- We are not in control of our language and therefore we are not in control of our thoughts and what we know
Foucault’s Deconstructionism
- there is a relationship between power and knowledge and language
- what we take to be knowledge and the ideas through which we understand ourselves are contingent, mutable and ‘ahistorical’ (not developing towards anything better)
- ‘knowledge’ changes in response to the needs of authority to control and regulate our behaviour as individuals
- pessimistic – but we must always re-examine what we think we know