Filosofia 11º ano - O problema da origem e da possibilidade do conhecimento 💭

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30 Nov 202007:06

Summary

TLDRThis video script delves into fundamental philosophical debates on the nature of knowledge, contrasting rationalism, which asserts that reason is the primary source of knowledge, with empiricism, which emphasizes sensory experience. It explores the concepts of a priori and a posteriori knowledge, foundationalism, and the limitations of justifying beliefs. The script also introduces skepticism, particularly Pyrrhonism, which challenges the very possibility of justified knowledge, suggesting that certainty is unattainable. Through these discussions, the script encourages viewers to question the origins and justifications of their own beliefs.

Takeaways

  • 😀 The importance of questioning the sources of knowledge and examining where it comes from.
  • 🤔 Knowledge can be divided into two categories: a priori (based on reason) and a posteriori (based on sensory experience).
  • 📐 **Rationalism** holds that reason is the primary source of knowledge, with mathematics as the ideal example of certain and universal knowledge.
  • 🌍 **Empiricism** argues that knowledge comes from sensory experience, rejecting the idea of innate knowledge.
  • 🧠 **A priori** knowledge involves concepts and truths that can be known independently of sensory experience, such as logical and mathematical truths.
  • 👀 **A posteriori** knowledge depends on sensory experiences and observations from the real world.
  • 📜 **Rationalism** asserts that knowledge gained through reason is secure and universally valid, with famous proponents like Descartes, Leibniz, and Spinoza.
  • 👂 **Empiricists**, such as John Locke and David Hume, believe that the mind is a blank slate at birth and that all knowledge comes from experience.
  • 🏗️ **Foundationalism** posits that knowledge is built on a foundation of self-evident truths, with basic beliefs requiring no further justification.
  • 🤨 **Skepticism** questions whether knowledge is even possible, arguing that we cannot fully justify our beliefs, leading to concepts like infinite regress and circular reasoning.
  • 🔄 Skepticism challenges the reliability of sensory information, suggesting that different people may perceive the same object differently, making it difficult to distinguish truth from falsehood.

Q & A

  • What is the main difference between rationalism and empiricism?

    -Rationalism argues that reason is the primary source of knowledge, with innate ideas and universal truths. Empiricism, on the other hand, emphasizes sensory experience as the main source of knowledge, rejecting innate ideas and suggesting that knowledge is gained only through experience.

  • What does 'a priori' knowledge mean?

    -'A priori' knowledge refers to knowledge that is independent of sensory experience, such as mathematical truths or logical principles. It is known through reason alone, without the need for empirical evidence.

  • What does 'a posteriori' knowledge mean?

    -'A posteriori' knowledge refers to knowledge that is derived from sensory experience or empirical observation. It involves learning from the world around us through our senses.

  • What is the role of foundationalism in the discussion of knowledge?

    -Foundationalism is a perspective that views knowledge as a structure built upon fundamental, self-evident truths (basic beliefs or 'children'). These basic beliefs do not require further justification and form the foundation for other knowledge.

  • What do rationalists believe about the role of mathematics in knowledge?

    -Rationalists believe that mathematics exemplifies the ideal model of knowledge, as its truths (like 2 + 2 = 4) are universally known through reason and do not rely on sensory experience.

  • What is the view of empiricists on innate ideas?

    -Empiricists reject the concept of innate ideas. They argue that all knowledge comes from sensory experience, and nothing is present in the mind at birth. Knowledge is acquired solely through interactions with the world.

  • Who are some of the key philosophers associated with rationalism?

    -Key philosophers associated with rationalism include René Descartes, Gottfried Leibniz, Baruch Spinoza, and Nicolas Malebranche.

  • What does skepticism challenge in terms of knowledge?

    -Skepticism challenges the possibility of certain knowledge. It argues that even if we believe something to be true, we may not be able to justify it, and in some forms, it suggests that knowledge is impossible to attain.

  • What is 'Pyrrhonian skepticism'?

    -Pyrrhonian skepticism is a form of skepticism that advocates suspending all judgments. It suggests that since we cannot fully justify our beliefs, we should withhold judgment on all matters and remain in a state of neutrality.

  • How does the skeptic argue against justifying knowledge with sensory experience?

    -Skeptics argue that the senses can be deceptive, as people may perceive the same object differently. This variability makes it impossible to trust sensory experiences as a reliable source for knowledge, leading to the doubt that we can know anything for certain.

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Related Tags
PhilosophyRationalismEmpiricismKnowledge TheorySkepticismA PrioriA PosterioriPhilosophical DebateJustificationCognitive ScienceEmpiricist Philosophers