the complete set of possible statements. While this definition is widely accepted, the precise distinction (or lack thereof) between what is contingent and what is necessary has been challenged since antiquity.

Contingency and modal possibility

In logic, a thing is considered to be possible when it is true in at least one possible world. This means there is a way to imagine a world in which a statement is true and in which its truth does not contradict any other truth in that world.

1.Previous
3.Next