Knowledge

All swans are white.

Idris Elba is hench.

All penguins are black and white.

Types of Knowledge

For each, what’s the key question?• Acquaintance Knowledge = ?– Knowing…

• Ability Knowledge =? – Knowing…– a.k.a. procedural knowledge

• Propositional Knowledge =?– Knowing…

WHO

HOW

THAT

Definition

• “propositional knowledge is the type of knowledge that is, by its very nature, expressed in declarative sentences or indicative propositions” (Wikipedia)

• Propositional knowledge is knowledge that can be expressed in the form ‘I know that X’, where X is any proposition of the form A is B.