Master German Idealist and Existentialist philosophy. Use for: Hegel, Kierkegaard, Nietzsche, Heidegger, Sartre, phenomenology, dialectics, authenticity...
Master the philosophical traditions spanning from Kant's successors through 20th-century existentialismβmovements that fundamentally shaped modern thought about consciousness, freedom, history, and human existence.
KANT (1724-1804)
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GERMAN IDEALISM (1781-1831)
βββ Fichte: Absolute Ego
βββ Schelling: Nature Philosophy
βββ Hegel: Absolute Spirit, Dialectic
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REACTION AGAINST HEGEL NEO-HEGELIANISM
βββ Kierkegaard: Individual βββ British Idealists
βββ Schopenhauer: Will βββ Marxism
βββ Nietzsche: Will to Power
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PHENOMENOLOGY (1900-)
βββ Husserl: Intentionality
βββ Heidegger: Being-in-the-world
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EXISTENTIALISM (1940-)
βββ Sartre: Radical Freedom
βββ Camus: The Absurd
βββ Beauvoir: Situated Freedom
βββ Merleau-Ponty: Embodiment
The Problem: How is knowledge possible?
Transcendental Idealism:
Key Move: Eliminate the thing-in-itself
The Three Principles:
Implication: Reality is the product of absolute consciousness
Key Move: Overcome subject-object dualism
Nature Philosophy:
The System:
HEGEL'S PHILOSOPHY
ββββββββββββββββββ
LOGIC (The Idea in-itself)
βββ Being, Nothing, Becoming
βββ Categories of thought
βββ Dialectical development
PHILOSOPHY OF NATURE (The Idea outside-itself)
βββ Mechanics
βββ Physics
βββ Organics
PHILOSOPHY OF SPIRIT (The Idea returning to itself)
βββ Subjective Spirit (individual mind)
βββ Objective Spirit (social/political)
β βββ Law
β βββ Morality
β βββ Ethical Life (State)
βββ Absolute Spirit
βββ Art
βββ Religion
βββ Philosophy
Structure:
THESIS β ANTITHESIS β SYNTHESIS (Aufhebung)
β β β
β β βββ Preserves truth of both
β β Negates one-sidedness
β β Elevates to higher unity
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β βββ Negation, opposition
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βββ Initial position, one-sided
Aufhebung: To cancel, preserve, and elevate simultaneously
Example: Being and Nothing
| German | English | Meaning |
|---|---|---|
| Geist | Spirit/Mind | The absolute subject; consciousness in its development |
| Aufhebung | Sublation | Cancel, preserve, elevate |
| An sich | In-itself | Potential, implicit, unrealized |
| FΓΌr sich | For-itself | Actual, explicit, self-conscious |
| An-und-fΓΌr-sich | In-and-for-itself | Fully realized, concrete |
| Vernunft | Reason | Rational comprehension of the whole |
| Wirklichkeit | Actuality | What is rational is actual; what is actual is rational |
| Entfremdung | Alienation | Spirit estranged from itself |
| Sittlichkeit | Ethical life | Concrete social ethics (vs. abstract morality) |
THE STRUGGLE FOR RECOGNITION
ββββββββββββββββββββββββββββ
1. Two self-consciousnesses meet
βββ Each seeks recognition from the other
2. Life-and-death struggle
βββ Each risks life to prove freedom
3. One yields (becomes Slave); other dominates (becomes Master)
βββ Master gains recognition but from unfree being
4. Reversal:
βββ Master: Dependent on slave; stagnates
βββ Slave: Through work, transforms world and self
5. Slave achieves true self-consciousness
βββ Work = objectification of self in world
βββ Fear of death = awareness of own being
6. Path to mutual recognition
βββ Only free beings can truly recognize each other
Against Hegel:
Three Stages of Existence:
KIERKEGAARD'S STAGES
ββββββββββββββββββββ
1. AESTHETIC STAGE
βββ Life of pleasure, variety, immediacy
βββ Don Juan, seducer
βββ Despair: Boredom, emptiness
2. ETHICAL STAGE
βββ Life of duty, commitment, universality
βββ Judge Wilhelm, marriage
βββ Despair: Guilt, inability to fulfill duty
3. RELIGIOUS STAGE
βββ Life of faith, individual relation to God
βββ Abraham, leap of faith
βββ "Teleological suspension of the ethical"
Key Concepts:
| Concept | Meaning |
|---|---|
| Anxiety (Angst) | Dizziness of freedom; facing infinite possibility |
| Despair | Being in sin; not willing to be oneself |
| Leap of Faith | Non-rational commitment; choosing without proof |
| Subjectivity | Truth as personal appropriation |
| Repetition | Willing the eternal in the temporal |
Metaphysics:
Response:
Influence: Nietzsche, Freud, Buddhism in West
Key Moves:
Central Concepts:
NIETZSCHE'S PHILOSOPHY
ββββββββββββββββββββββ
WILL TO POWER
βββ Not political domination
βββ Self-overcoming, creativity
βββ Life's fundamental drive
βββ Basis of all values
ETERNAL RETURN
βββ "What if you had to live this life eternally?"
βββ Test of affirmation
βββ Heaviest thought
βββ Amor fati: love of fate
ΓBERMENSCH (Overman)
βββ Beyond good and evil
βββ Creates own values
βββ Affirms life completely
βββ Not a biological type
PERSPECTIVISM
βββ No "view from nowhere"
βββ All interpretation, no facts
βββ Multiple perspectives valuable
βββ Against dogmatic truth
Master vs. Slave Morality:
| Master Morality | Slave Morality |
|---|---|
| Good = noble, powerful | Good = meek, humble |
| Bad = base, common | Evil = powerful, proud |
| Creates values | Reactive, resentful |
| Affirms self | Denies life |
Founding Insight: Consciousness is always consciousness of something
Method:
PHENOMENOLOGICAL METHOD
βββββββββββββββββββββββ
1. EPOCHΓ (Bracketing)
βββ Suspend natural attitude
βββ Don't assume world exists independently
βββ Focus on how things appear
2. PHENOMENOLOGICAL REDUCTION
βββ Reduce to pure phenomena
βββ Describe structures of consciousness
βββ Eidetic variation: find essences
3. TRANSCENDENTAL ANALYSIS
βββ How consciousness constitutes objects
βββ Noesis (act) / Noema (content)
βββ Intentional structures
Fundamental Question: What is the meaning of Being?
Dasein: Human existence as the being that questions Being
Existential Structures:
BEING AND TIME (Sein und Zeit)
ββββββββββββββββββββββββββββββ
BEING-IN-THE-WORLD (In-der-Welt-sein)
βββ We are always already in a world
βββ Not subject vs. object
βββ Holistic, engaged existence
THROWNNESS (Geworfenheit)
βββ We find ourselves already in situations
βββ Not chosen but given
βββ Facticity of existence
PROJECTION (Entwurf)
βββ We project possibilities
βββ Future-oriented existence
βββ Freedom within thrownness
FALLENNESS (Verfallenheit)
βββ Absorption in "the They" (das Man)
βββ Inauthenticity
βββ Fleeing from oneself
ANXIETY (Angst)
βββ Not fear of something specific
βββ Confrontation with Being-toward-death
βββ Reveals authentic existence
BEING-TOWARD-DEATH (Sein-zum-Tode)
βββ Death as ownmost possibility
βββ Cannot be transferred or avoided
βββ Individualizes Dasein
CARE (Sorge)
βββ Being-ahead-of-itself (future)
βββ Already-being-in (past)
βββ Being-alongside (present)
βββ Unified structure of Dasein
Authenticity vs. Inauthenticity:
| Authentic (Eigentlich) | Inauthentic (Uneigentlich) |
|---|---|
| Owns existence | Lost in "the They" |
| Faces death | Flees from death |
| Resolute | Dispersed |
| Individual choice | Follows the crowd |
The Later Heidegger:
Fundamental Thesis: "Existence precedes essence"
Key Concepts:
SARTREAN EXISTENTIALISM
βββββββββββββββββββββββ
BEING-IN-ITSELF (En-soi)
βββ Non-conscious being
βββ Solid, complete, identical with itself
βββ "Is what it is"
BEING-FOR-ITSELF (Pour-soi)
βββ Conscious being (human)
βββ Always beyond itself
βββ "Is what it is not, is not what it is"
βββ Nothingness, lack, desire
BAD FAITH (Mauvaise foi)
βββ Denying freedom
βββ Pretending to be a thing
βββ "I had no choice"
βββ Self-deception
RADICAL FREEDOM
βββ We are "condemned to be free"
βββ No excuses: situation doesn't determine choice
βββ Anguish: awareness of freedom
βββ Responsibility: we choose for all humanity
THE LOOK (Le regard)
βββ Being seen by another
βββ Becomes object for another consciousness
βββ Conflict: each wants to possess the other's freedom
βββ "Hell is other people"
Being and Nothingness: Consciousness is nothing but the negation of being-in-itself. Freedom is the heart of being.
The Absurd:
Responses to Absurdity:
The Myth of Sisyphus:
Contribution: Freedom is always situated
The Second Sex:
Contribution: Critique of Cartesian mind-body dualism
| Term | Meaning |
|---|---|
| Geist | Spirit, Mind |
| Aufhebung | Sublation (cancel, preserve, elevate) |
| Angst | Anxiety, dread |
| Dasein | Being-there, human existence |
| Geworfenheit | Thrownness |
| Eigentlichkeit | Authenticity |
| Verfallenheit | Fallenness |
| Sorge | Care |
| Sein | Being |
| Seiendes | Beings, entities |
| Wille zur Macht | Will to Power |
| Γbermensch | Overman |
| Ewige Wiederkehr | Eternal Return |
| Weltanschauung | Worldview |
| Term | Meaning |
|---|---|
| En-soi | Being-in-itself |
| Pour-soi | Being-for-itself |
| Mauvaise foi | Bad faith |
| NΓ©ant | Nothingness |
| Le regard | The Look |
| L'absurde | The Absurd |
| RΓ©volte | Revolt |
thinkers/hegel/, thinkers/nietzsche/, thinkers/heidegger/thinkers/sartre/, thinkers/kierkegaard/thoughts/existence/: Being, authenticitythoughts/free_will/: Freedom, determinismthoughts/consciousness/: Phenomenologythoughts/life_meaning/: Absurdity, meaning-creationmethods.md: Dialectical, phenomenological, hermeneutic methodsvocabulary.md: Comprehensive term glossaryfigures.md: Philosophers with key works and ideasdebates.md: Central controversiessources.md: Primary texts and scholarship