A subtheory is a specialized theory nested within a broader one. It shares some axioms and theorems but focuses on…
A theory with a recursive set of axioms that can derive all its theorems through logical deduction. This property is…
A theory is Post consistent if it contains at least one unprovable statement. If all statements are provable, the theory…
Two theories are deductively equivalent if they can prove the exact same set of theorems. This means they offer the…