Abductive Logic Calculus
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An Abductive Logic Calculus is a formal non-monotonic logic calculus that can be implemented by an abductive reasoning system to solve abductive reasoning tasks.
- AKA: Abductive Logic Theory, Abductive Theory, Abductive Logic, Abductive Logic System, Abductive Apparatus, Abductive Inference System, Abductive Formal System.
- Context:
- It can (typically) contain Abductive Logic Language with observation formulas and hypothesis formulas.
- It can (typically) include Abductive Logic Operation Set supporting explanation inference.
- It can (typically) maintain Background Theory representing domain knowledge.
- It can (typically) generate Explanatory Hypothesis that entails given observations.
- It can (typically) apply Consistency Constraint to ensure logical coherence.
- It can (typically) support Affirming the Consequent as a core abductive operation.
- It can (typically) enable Hypothesis Selection based on explanatory power.
- ...
- It can (often) utilize Abduction Scheme for structured inference.
- It can (often) implement Preference Criterion following simplicity principles.
- It can (often) integrate with Learning Theory for knowledge acquisition.
- It can (often) support Constraint-based Mining Task through hypothesis space restriction.
- It can (often) incorporate Probabilistic Extension for uncertain reasoning.
- ...
- It can range from being a Simple Abductive Logic Calculus to being a Complex Abductive Logic Calculus, depending on its abductive calculus expressiveness.
- It can range from being a Propositional Abductive Logic Calculus to being a First-Order Abductive Logic Calculus, depending on its abductive calculus language level.
- It can range from being a Pure Abductive Logic Calculus to being a Hybrid Abductive Logic Calculus, depending on its abductive calculus integration.
- ...
- It can formalize Abductive Inference Rules such as:
- Given observation O and theory T, find hypothesis H such that T ∪ H ⊨ O
- Ensure T ∪ H is consistent
- Prefer minimal H according to some criterion
- It can interface with Artificial Intelligence Discipline for automated reasoning.
- It can complement Deductive Logic Calculus and Inductive Logic Calculus in comprehensive reasoning systems.
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- Example(s):
- Theorist Framework, implementing default reasoning through abductive hypothesis.
- Abductive Logic Programming (ALP), extending logic programming with abductive capability.
- ACLP System, combining abductive and constraint logic programming.
- Scientific Theory Formation System, using abductive inference for hypothesis generation.
- Diagnostic Reasoning System, applying abductive logic for fault diagnosis.
- Peirce's Original Formulation, establishing philosophical foundations of abductive inference.
- ...
- Counter-Example(s):
- Deductive Logic Calculus, which derives necessary conclusions from given premises.
- Inductive Logic Calculus, which generalizes from specific instances to universal rules.
- Monotonic Logic System, which preserves derived conclusions when adding new information.
- Truth-Functional Logic, which lacks explanatory reasoning capability.
- See: Abductive Reasoning, Logic System, Scientific Experiment, Case-based Reasoning, Abductive Logic Task, Abductive Learning, Non-Monotonic Reasoning, Explanation-Based Learning.