What in your opinion are the 5 most significant, valuable and impacting concepts in philosophy 1. to philosophers and 2. to the general lay public -- in order of importance?
For example, people use Plato's allegory of the cave to describe perception of the world or the illusion of knowing. Kant's categorical imperative for questions on whether an action is moral or not. Those are two that I hear so often they must be known to a wide audience even those that never study philosophy. This doesn't include a body of work -- it's specific single ideas only.
Concept
[SIZE=-1]A specific thought. [/SIZE]
An opinion, conviction, or principle.
[SIZE=-1]An abstract, universal idea, notion or entity that serves to designate a category or class of entities, events or relations.
[/SIZE]
For example, people use Plato's allegory of the cave to describe perception of the world or the illusion of knowing. Kant's categorical imperative for questions on whether an action is moral or not. Those are two that I hear so often they must be known to a wide audience even those that never study philosophy. This doesn't include a body of work -- it's specific single ideas only.
Concept
[SIZE=-1]A specific thought. [/SIZE]
An opinion, conviction, or principle.
[SIZE=-1]An abstract, universal idea, notion or entity that serves to designate a category or class of entities, events or relations.
[/SIZE]