Plato’s Analogy of The Divided Line

The Four Stages of Cognition

Source of Perception

Things Perceived

Modes of Perception

Classes of Perception

THE GOOD
Author and governor of the intelligible order, of the world of reality

 

Forms
(Reality, justice, beauty, truth, the material universe)

 

Reason
(Dialectic)

KNOWLEDGE

Mathematical Objects
(Hypotheses)

 

Understanding
(As in mathematical thought)

THE SUN
Author and governor of the visible order, of the world of appearances

 

Physical Objects
(All objects perceptible by the senses)

Belief
(Accepting sensory perceptions as givens)

OPINION

Images of Physical Objects
(Shadows, reflections, illusions)

Imagination
(Supposition)