Philosophy · 3rd Year · Epistemology and the Nature of Truth · 2.º Período

What is Knowledge?

Students investigate the definition of knowledge as justified true belief. They explore the differences between belief, opinion, and factual knowledge.

TL;DR:This topic explores the traditional definition of knowledge as 'justified true belief' (JTB). Students examine the criteria that must be met for something to count as knowledge rather than just a lucky guess or a strong opinion. This is a core component of Epistemology in the NCCA framework. It encourages students to be more critical of their own certainties and the information they encounter online.

• NCCA Curriculum Specifications
• NCCA Philosophy LO 2.1: Explore the nature of knowledge and truth.
• SOL 16: The student describes, illustrates, interprets, predicts and explains patterns and relationships.

About This Topic

This topic explores the traditional definition of knowledge as 'justified true belief' (JTB). Students examine the criteria that must be met for something to count as knowledge rather than just a lucky guess or a strong opinion. This is a core component of Epistemology in the NCCA framework. It encourages students to be more critical of their own certainties and the information they encounter online.

In the Irish context, where historical narratives and personal beliefs often overlap, understanding the foundations of truth is vital. It helps students navigate the complexities of identity and history with a clearer lens. This topic is best explored through collaborative problem-solving where students must defend why a specific claim qualifies as knowledge.

Key Questions

1. How do we know what we know?
2. Is there a difference between believing something and knowing it?
3. Can we ever be absolutely certain?

Watch Out for These Misconceptions

Common Misconception

If I believe it strongly enough, it becomes true for me.

What to Teach Instead

Philosophy distinguishes between subjective belief and objective truth. Using 'Perspective-Taking' exercises helps students see that while beliefs are personal, knowledge requires external justification and truth.

Common Misconception

Knowledge and facts are exactly the same thing.

What to Teach Instead

A fact is a state of the world; knowledge is a person's relationship to that fact. Peer discussions about 'forgotten facts' help students see that knowledge requires an active mind to hold the belief.

Active Learning Ideas

Inquiry Circle

The JTB Checklist

Groups are given several scenarios (e.g., a horoscope coming true, a scientific discovery). They must apply the three criteria: Is it a belief? Is it true? Is it justified? They then present their verdict on whether it counts as 'knowledge'.

35 min·Small Groups

Think-Pair-Share

The Gettier Problem

Present a 'Gettier Case' where someone has a justified true belief that is only true by luck. Students discuss in pairs why this feels different from 'real' knowledge and try to suggest a fourth criteria for the checklist.

25 min·Pairs

Gallery Walk

Sources of Truth

Stations are set up for different sources of knowledge: Senses, Reason, Authority, and Intuition. Students move around, listing one thing they 'know' from that source and one reason that source might be unreliable.

30 min·Individual

Frequently Asked Questions

What is the simplest way to explain 'justification'?

Think of justification as the 'receipt' for your belief. It is the evidence or the logical reason that shows you didn't just guess. If you win the lotto because you 'felt' you would, you had a true belief, but no justification, so it wasn't knowledge.

How does this topic relate to digital literacy?

It is the foundation of it. By asking 'what is the justification for this claim?', students learn to check sources, look for bias, and distinguish between viral opinions and verified knowledge.

How can active learning help students understand the nature of knowledge?

Active learning allows students to 'test' the boundaries of knowledge. Through simulations like 'The Oracle' or 'The Fake News Lab', students must actively justify their claims to their peers. This social pressure to provide evidence makes the abstract concept of 'justification' a practical necessity rather than just a vocabulary word.

Is it okay if students end up feeling like we can't know anything?

This is called global skepticism. It's a valid philosophical position! Use it as a jumping-off point to discuss why we still act 'as if' we know things, which leads into practical philosophy and ethics.