When Something Is Defeasible?

Something that's defeasible can be cancelled or changed. If a state law is defeasible, it's open to being annulled or declared void.

What does defeasible mean in philosophy?

Reasoning is defeasible when the corresponding argument is rationally compelling but not deductively valid. The truth of the premises of a good defeasible argument provide support for the conclusion, even though it is possible for the premises to be true and the conclusion false.

What is defeasible argument?

In philosophical logic, defeasible reasoning is a kind of reasoning that is rationally compelling, though not deductively valid. It usually occurs when a rule is given, but there may be specific exceptions to the rule, or subclasses that are subject to a different rule.