Editing 20th Century Philosophy

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20th Century Philosophy is the era of "Fragments" and the "Linguistic Turn." After the "Grand Systems" of the 19th century collapsed under the weight of two World Wars, philosophers stopped trying to build "Theories of Everything." Instead, they looked at the tools we use to think: **Language** and **Logic**. It was the century of Wittgenstein's "Language Games," Sartre's "Existentialism," and Foucault's "Power." Philosophers moved from asking "What is the Truth?" to asking "How does the word 'Truth' work in our society?" By studying this period, we see the foundation of modern technology, social justice, and our "Post-Modern" world.
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== <span style="color: #FFFFFF;">Remembering</span> ==
* '''20th Century Philosophy''' — The diverse and complex period of thought following the industrial and social upheavals of the 1900s.
* '''Analytic Philosophy''' — The British/American tradition that focuses on logic, science, and the precise meaning of words (Russell, Wittgenstein).
* '''Continental Philosophy''' — The European tradition that focuses on history, society, and the "Experience" of being human (Sartre, Heidegger, Foucault).
* '''Existentialism (Modern)''' — The belief that we are "Condemned to be free" and must define our own lives (Jean-Paul Sartre).
* '''Phenomenology''' — The study of "Consciousness" from the first-person perspective; "The thing itself" (Husserl).
* '''Post-Structuralism''' — The belief that "Truth" is just a story told by people in power (Foucault, Derrida).
* '''Logical Positivism''' — The short-lived belief that only things that can be "Scientificially Proven" are meaningful.
* '''Ludwig Wittgenstein''' — The philosopher who argued that "Philosophy is a battle against the bewitchment of our intelligence by means of language."
* '''Hannah Arendt''' — The thinker who analyzed the "Banality of Evil" and the nature of totalitarianism.
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== <span style="color: #FFFFFF;">Understanding</span> ==
20th-century philosophy is understood through '''Language''' and '''Deconstruction'''.

'''1. The Language Game (Wittgenstein)''':
Wittgenstein argued that most philosophical problems are just "Confusions of Language."
* Words don't have "Real Meanings"; they have "Uses."
* We play different "Language Games" (The Science game, the Religion game, the Art game).
* You can't use the rules of one game to judge the other. "If a lion could talk, we could not understand him," because his "Game" (his life) is too different from ours.

'''2. Existentialism and Absurdity (Sartre and Camus)''':
After the horrors of WWII, the world felt "Absurd" (meaningless).
* '''Sartre''': We are like actors on a stage with no script. We must "Create ourselves" every second. If we pretend we "Have to" do something, we are living in "Bad Faith."
* '''Camus''': We are like Sisyphus, pushing a rock up a hill forever. We should "Rebel" by being happy anyway.

'''3. Power and Knowledge (Foucault)''':
Foucault argued that "Truth" isn't objective; it's a tool.
* Hospitals, schools, and prisons aren't just for "Helping" people; they are for "Controlling" them by deciding what is "Normal."
* "Knowledge is Power." The person who gets to define what is "Sane" or "Legal" has the ultimate power in society.

'''The 'Grand Narrative' Collapse''': Lyotard's definition of Post-Modernism. We no longer believe in "One Story" (like Progress, Christianity, or Marxism) that explains the whole world. We only have "Small Stories."
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== <span style="color: #FFFFFF;">Applying</span> ==
'''Modeling 'The Language Game' (How meaning changes with context):'''
<syntaxhighlight lang="python">
def define_word(word, context):
    """
    Wittgenstein: 'Meaning is Use'.
    """
    meanings = {
        ("water", "Chemistry"): "H2O, a chemical compound.",
        ("water", "Thirsty person"): "The thing I need to survive right now!",
        ("water", "Poet"): "The mirror of the soul, flowing toward the sea.",
    }
    return meanings.get((word, context), "Meaning depends on the game you are playing.")

# The word is the same, but the 'Truth' is different:
print(define_word("water", "Chemistry"))
print(define_word("water", "Poet"))
</syntaxhighlight>

; 20th Century Landmarks
: '''Tractatus Logico-Philosophicus (1921)''' → Wittgenstein's attempt to solve ALL of philosophy in 75 pages (he later decided he was wrong).
: '''Being and Nothingness (1943)''' → Sartre's massive book on freedom, written while he was in the French Resistance against the Nazis.
: '''The Second Sex (1949)''' → Simone de Beauvoir's book that launched modern Feminism: "One is not born, but rather becomes, a woman."
: '''The Turing Test (1950)''' → When philosophy merged with computer science to ask: "Can a machine think?"
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== <span style="color: #FFFFFF;">Analyzing</span> ==
{| class="wikitable"
|+ Analytic vs. Continental
! Feature !! Analytic (UK/US) !! Continental (Europe)
|-
| Goal || Clarity and Logic || Meaning and Liberation
|-
| Tool || Math and Linguistics || History and Sociology
|-
| View of Science || It is the best path to truth || It is just one "Story" among many
|-
| Style || Technical and Precise || Poetic and Political
|}

'''The Concept of "Deconstruction"''': Analyzing Jacques Derrida's idea that every text has multiple, contradictory meanings. You can "Pull a string" on any idea until it unravels, showing that the binary opposites we use (like Male/Female or Nature/Culture) aren't as solid as we think.
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== <span style="color: #FFFFFF;">Evaluating</span> ==
Evaluating 20th-century philosophy:
# '''The "So What?" Problem''': Has philosophy become too "Academic" and detached from real life?
# '''Relativism''': If there is no "Grand Truth" (Post-modernism), how can we say that anything (like murder) is "Wrong"?
# '''The Science Gap''': Has science (Physics/Neuroscience) "Killed" philosophy by answering all the big questions?
# '''Totalitarianism''': Why did the 20th century produce both the "Best" theories of freedom and the "Worst" systems of control?
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== <span style="color: #FFFFFF;">Creating</span> ==
Future Frontiers:
# '''Philosophy of AI''': Deciding if "Large Language Models" are just playing a "Language Game" or if they actually have a "Soul."
# '''Neuro-Philosophy''': Using brain-computer interfaces to "Experience" someone else's phenomenology.
# '''Hyper-Ethics''': Developing a moral code for "Digital Beings" and "Planetary-Scale" problems like climate change.
# '''Post-Humanism''': Asking "What comes after Human?" as we merge our bodies with technology.

[[Category:Philosophy]]
[[Category:History]]
[[Category:20th Century]]
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