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Definition:
The distinction between necessary and contingent truths is very similar to the
distinction made between a priori / a posteriori and between analytic /
synthetic.
A proposition express a necessary truth if and only if denying that proposition would result in a self-contradiction. On the other hand, a proposition expresses a contingent truth is one which can be rationally denied without resulting in any self-contradiction. Thus, for example, the logical principle of the law of identity (a = a) is a necessary truth because in order to rationally deny it, one would have to assume its truth (for example, in order to deny it, you have to assume that it is identical with itself, otherwise what are you denying?) - a self-contradiction.
Also Known As: none
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Related Resources:
What is Epistemology?
Epistemology is the investigation into the grounds and nature of knowledge itself. Epistemological studies are usually focused upon our means for acquiring knowledge, and as a consequence, modern epistemology generally involves a debate between rationalism and empiricism, or the question of whether knowledge can be acquired a priori or a posteriori.What is Philosophy?
What is philosophy? Is there any point in studying philosophy, or is it a useless subject? What are the different branches of philosophy - what's the difference between aestheitcs and ethics? What's the difference between metaphysics and epistemology?
