Acquaintance knowledge
(Knowledge by Acquaintance)

Ability Knowledge
(Practical Knowledge)

Propositional Knowledge
(Factual Knowledge)

Propositional Knowledge
IN DEPTH:

Tripartite Theory of knowledge
(Plato)

Abbreviation of the expression;
'Subject knows a proposition'

Tripartite view
(Diagram)

NOT KNOWLEDGE :
Example of something with Belief and truth but no Justification

NOT KNOWLEDGE :
Example of something with Justification and belief but no Truth

NOT KNOWLEDGE :
Example of something that has Justification and truth but no belief.

Problems with Tripartite theory of knowledge :

KNOWLEDGE :
without belief

KNOWLEDGE
without Justification

KNOWLEDGE
without truth

Gettier

Gettier's Example :
(SIMPLIFIED)

Infallibilism :

No False Lemmas
(J+T+B+NL)

Reliabilism :
(R+T+B)

Epistemic Virtue :
(V+T+B)