Actual World in Modal Logic
The actual world in modal logic refers to the real world we…
Accessibility Relation in Modal Logic
An accessibility relation in modal logic defines the connections between possible worlds…
Abstraction Principle
An abstraction principle is a formula stating that two abstract objects are…
Abstraction Operator
The abstraction operator is a function implicitly defined by an abstraction principle.…
Abstraction in Computing and Beyond
Abstraction simplifies complex systems by focusing on essential details while hiding unnecessary…
Absorption Law in Logic
The absorption law states that if P implies Q, then adding a…
Abelian Logic
Abelian logic is a specific type of relevance logic. It notably rejects…
Abduction: Reasoning to the Best Explanation
Abduction is a logical inference process where a conclusion is reached based…
A-Proposition: Understanding Universal Affirmative Statements
An A-proposition, a type of categorical proposition, asserts that all members of…