Enabled mankind to survive and reach the present level of our civilization.
Knowledge
A science devoted to the discovery of the proper
method of acquiring and validating knowledge.
Epistemology
A mental grasp of reality reached either by perceptual observation or by a process of reason based on perceptual observation.
Knowledge
Purpose of Epistemology
We can acquire knowledge using our senses:
seeing, hearing, tasting, feeling, smelling.
Empiricism
We can acquire knowledge by thinking with the use of our minds.
Rationalism
What philosophers call the rational faculty?
Rationalism
Sources of knowledge in Rationalism
-innate ideas
-intuition
-deduction
To know is to know something.
This “something” is what philosophers call reality, existence, being.
Reality
Our first and only contact with reality is
through our senses. Knowledge begins with
perceptual knowledge.
Perception
After we perceive things, we began to notice
that some of the things we perceive
are similar to other things
Concept
An abstract or generic
idea generalized from particular instances.
Concept
A statement that asserts or denies something about an object, person, event, or action (an “existent”).
Proposition
Types of Propositions
Affirmative Propositions
Negative Propositions
Says something is true
Affirmative
Says something is not true
Negative
A group of statements, one or more of which (the premises) are claimed to provide support for, or reason to believe one of the others (the conclusion)
Inference
How do we demonstrate that the statement is true?
By providing an argument.
The second part of epistemology: validating one’s knowledge.
Reduction
“How did I arrive at this belief, by what steps?”
Perception
Other ways to determine if a statement is true
Knowledge validated and when we say validated, we mean they are based on the facts of reality.
Truth
Based on emotions
Truth or Opinion
Opinion
Based on the facts of reality
Truth or Opinion
Truth