Metaphysics
The study of the nature of reality, or the nature of being.
Rationalism
Reason is the foundation of knowledge (opposite of empiricism)
Empiricism
Experience and experimentation is the foundation of knowledge (opposite of rationalism)
Mind-Body Problem
Descartes; mind and body are two entities and substances; how mind and body interact (contradiction)
Dualism
Mind and body are distinct
Monism
mind and body are the same
Materialism/Physicalism
Daniel Dennett; All that exists is purely material/physical.
Priori Knowledge
Knowledge without evidence from experience
Posteriori Knowledge
Knowledge based on evidence from sensory experience
Faculty
Inherent mental capacity
John Locke
Empiricist and political liberist; identity is memories; immaterial nonsubstance theory
Descartes
"The Meditations on First Philosophy"; "Cogito Ergo Sum"; Cartesian dualism; skeptic
Skepticism
Certain knowledge is impossible; raise doubt to defeat doubt;
Cogito Ergo Sum
Descartes; I think, therefore I am"
Self
source of consciousness; responsible for thoughts and actions
Enduring Self
The self remains the same over time
Epistemology
Theory of knowledge and the mind's relation to reality; How do we know that we know?
Essential Self
internal self found through introspection and self-consciousness; essence precedes existence; Plato and Descartes
Existential Self
external self found through actions and interactions with others; existence precedes essence; Sartre
Intersubjectivity
Intersection between people's cognitive perspectives; saves Descartes' solipsism; "I think" inherently assumes the other; knowing self requires knowing other
Consiousness
Awareness or experience of the world
Essence
Intrinsic properties that characterize an entity
Material
Substance out of which something is made
Temporality
Condition of being bounded in time
Spatiality
Condition of being involved in or having the nature of space
Tripartite Soul
Plato; rational, spirited, and appetitive parts of the soul; Unity through reason's ability to lead the spirit and appetite
Incorporeal
Immaterial substance
Corporeal
Material substance
Solipsism
Self is the only thing that can be known to exist
Reductive Physicalism
mental states are reducible to brain states; abilities come from physical processes of the brain
Substance Dualism
Notion that mind and body are two different substances
Qualia
knowledge from experience
Sentience
capacity for sensation or feeling
The Problem of Other Minds
fundamental difficulty we have in perceiving the consciousness of others
Mysterianism
Mind-Body problem is unsolvable by human beings; not enough cognitive ability
Panpsychism
the mind exists as a property of all matter; all matter has consciousness
Ship of Theseus
thought experiment; an object that has had all its components replaced remains fundamentally the same object; addresses the problem of identity over time
Philosophical Zombie
indistinguishable from humans but lacks conscious awareness of itself or surroundings; David Chalmers; physicalism is an insufficient approach to hard problem of consciousness
Hard Problem of Consciousness
how brain processes result in our personal conscious experience (qualia). How does physical processes give rise to subjective experience?
Immaterial Substance Theory
Theory of Identity that asserts the self as an immaterial substance like a mind or soul; Plato and Descartes
Material Substance Theory
Theory of Identity that asserts the self as a purely material being. Supported by the brain function or even DNA; Thomas Nagel
Immaterial Nonsubstance Theory
Theory of Identity that asserts the self is sourced from psychological continuity, such as memories; Continuation of psychological state; John Locke
Allegory of the Cave
Plato's description of individuals who live their lives in accordance with the shadows of reality provided by sensory experience instead of in accordance with the true reality beyond sensory experience
Realm of Forms
Composed of eternal things which are permanent and perfect. It is the source of all reality and true knowledge.
Realm of Appearances/Particulars
The physical realm that we exist in as bodies. This realm is what makes up the external world as being composed of particular instances of objects that correlate to a perfect and true form in the realm of forms.
Determinism
Every event, action, and decision results from something independent of the human will
Tabula Rasa
John Locke's concept of the mind as a blank slate ultimately bombarded by sense impressions that, aided by human reasoning, formulate ideas
Foundationalism (Descartes)
epistemological view that all knowledge ultimately rests upon a firm base of self evident truth
Perspectivism (Nietzsche)
belief that a person's knowledge is based entirely on (and limited by) his perspective; thus it is impossible to achieve any absolute truth
Will to Power (Nietzsche)
Instinctual desires are what makes us who we are, and the only way to obtain true potential is to understand and follow the desires to completion; Free will focuses on needs and becomes a true version of self
Ubermensch
the ideal superior man of the future who could rise above conventional morality to create and impose his own values
Phenomenology
The study of individuals' own unique, first-person, conscious experience. Use of experiences proves something.
Symbolic Logic
an application of mathematical methods to the processes of thought; uses conventional symbols to represent terms, propositions and relations among them
Law of Identity
if a statement is true, then it is true
Law of Non-Contradiction
A statement cannot be both true and false
Law of Excluded Middle
Any statement is either true or false
Hobbes
English materialist and political philosopher who advocated absolute sovereignty as the only kind of government that could resolve problems caused by the selfishness of human beings
Hume
Scottish philosopher whose skeptical philosophy restricted human knowledge to that which can be perceived by the senses.
Principle of Sufficient Reason
everything must have a reason or cause
Self-evident truth
true by definition; contains its own evidence or proof, and doesn't need further demonstration; universal
objective
not influenced by person feelings or opinions
subjective
based on personal feelings, tastes, or opinions
free will
human beings are free to make their own choices
Existentialism
existence of individual is free; person is responsible agent determining their own development through acts of the will
existential anguish
existential response to the burden of responsibility
existential despair
the recognition that life has no absolute value or meaning, that any meaning that does exist we create for ourselves, and that, ultimately, we all face death
Existential abandonment
realization that there is no god and therefore no moral code to abide by