Theory of Knowledge
Assessment Presentation (Teacher assessed) Essay (1200 – 1600 words) (externally assessed)
What is knowledge?
What do you know? You have 5 minutes to write down things that you “know”.
What is knowledge? Of the things you know, can you pick 3 things that you are certain of?
What is knowledge? Can you choose three of the things you “know” that you are least certain of?
Belief/knowledge continuum UnlikelyProbable ImpossiblePossibleCertain
Where do we get our knowledge from? Look at your list of things that you „know”. Where and how did you get that knowledge?
How do you know?
The sky is blue?
Perception
How many leprechauns?
Perception Tractor Perspective Illusion - Optical Illusion Image Gallery #33
1 + 1 = 2
1 + 1 = 2? In base 2, =
1 + 1 = 2? +=
I know I went for a run yesterday
I know women are more emotional than men
I know I love my brother
I know that a lake is more beautiful than a sewage works
I know the room is hot
I know that Mozart was a great composer
I know there is life after death
I know there is a God
I know dogs are disgusting
“certainty” Distinguishes knowledge from belief. Truth without doubt. Language Perception Reason Emotion I think, therefore I am
“relativism” No absolute objective truth Knowledge is relative to the individual, culture or society This may be safer for ethics, politics & religion. But what about maths and science? I knew the Earth was flat I know Santa Claus exists
you must believe the knowledge statement your belief in the knowledge statement has to be true your true belief has to be justified. “justified, true belief”
Requires: Evidence – reasonable & positive evidence that supports & justifies belief. Coherence – does this fit with our current understanding? Can you see any problems with these requirements?