Philosophical Concepts: Reason, Knowledge, and Truth
Review Philosophy
Logos: Knowledge acquired through reason, not beliefs or myths.
Myth: Stories and oral traditions, recorded in works like Hesiod’s Theogony, the Iliad, and the Odyssey.
Scientific Knowledge: Investigates and explains causes through observation and experimentation, e.g., water is H2O.
Vulgar Knowledge: Everyday understanding, e.g., fire burns, water wets.
Philosophical Knowledge: Seeks ultimate causes of reality, e.g., the essence of elements.
Emancipatory Knowledge: (Needs clarification
Read MoreKnowledge, Truth, and Reality: Philosophical Perspectives
Can We Attain Truth?
We ponder our ability to truly know things and attain truth, questioning if our perceptions are illusions.
Skepticism vs. Dogmatism
Skepticism asserts that certain knowledge is unattainable, while dogmatism affirms the human capacity to reach truth.
Arguments for Skepticism
- If knowing something implies knowing its possibility, not knowing the possibility prevents knowing the thing itself.
- If doubting everything is possible, then doubting doubt itself is also possible.
- If truth exists,
Rationalism: Core Principles and Descartes’ Modern Philosophy
Rationalism: General Characteristics
Rationalism is the philosophical theory that inaugurates modernity. Seventeenth-century philosophical rationalism essentially belongs to Descartes. Rationalism can be broadly defined as the philosophy that defends reason as the primary source of knowledge. A rationalist philosopher typically defends these basic theses:
- Confidence in reason is a basic element inherited from the Renaissance. Reason is objective, universal, and necessary, unlike faith and tradition.
Descartes’ Philosophy: Doubt, Certainty, and the Mind-Body Problem
Doubt and Certainty
In Descartes’s philosophy, doubt is the starting point. Convinced that everything must undergo a critical review, he begins to doubt everything (as presented in Part 3 of Discourse on the Method). Cartesian doubt differs from skepticism because it is methodical and preliminary: one must hesitate before reaching certainty, and doubt destroys itself to generate certainty. First, truths susceptible to the senses are rapidly dismissed (rejecting the rationalism characteristic of sensitive
Read MoreNietzsche’s Philosophy: Death of God, Nihilism, and Critique of Morality
I. The Concept of God
Nietzsche refers to the Christian God, but also to anything that replaces Him, as God represents the Absolute. God is a metaphor for Truth and Good, a reference point beyond existence. Anything that gives meaning to life but transcends it is similar to God (Nature, Progress, Revolution, Science taken as absolutes). Nietzsche’s “death of God” signifies humanity’s disorientation without an ultimate horizon. However, this “death” allows living without the absolute, in the “innocence
Rationality, Ethics, and Politics: From Aristotle to Nietzsche
Practical Rationality
Its aim is action. Human action has two dimensions:
- Single-dimension, reflecting on ethics.
- Collective dimension, which deals with politics.
Both dimensions are essential because the human being as an individual seeks the good in their actions, and in turn, their actions are inseparable from those done with others. This relationship between ethics and politics arises because humans are social by nature. Politics is the way that life in regular society is organized.