Defeasible

Template:Sister project Defeasible may refer to:

• Defeasibility (linguistics), the ability of an implicature or presupposition to be cancelled
• Defeasible reasoning, a type of convincing but not demonstrative philosophical reasoning
• Defeasible logic, a non-monotonic logic to formalize defeasible reasoning
• Defeasible estate, an estate created when a grantor transfers land conditionally