An Introduction to Edmund Gettier's Is Justified True Belief Knowledge?

Teenagers are at the perfect age to start holding strong beliefs and opinions—and to explore whether those beliefs are the same as having knowledge. A short video analysis of Edmund Gettier's paper "Is Justified True Belief Knowledge?" inspires pupils to consider whether observational skills and beliefs are the same as actually knowing something.

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CCSS: Adaptable
Instructional Ideas

  • Connect to a lesson on media literacy and discerning bias in the news
  • Have learners participate in a philosophical experiment in which they test out observational skills and compare them to prior or new knowledge
  • Assign the video for homework so class members can come to class prepared to discuss the main points
Classroom Considerations

  • Find the full analysis at the publisher's website 
  • Comment section is open to the public

  • Discusses the Gettier problem in an understandable way
  • Short length makes the video a versatile classroom resource

  • None