Abstract
Under the stimulation of artificial intelligence, legal logic has a tendency of intelligent expansion. The tendency is mainly manifested in three aspects; the first is the automation of the matching of legal norms; the second is the calculus of facts to be proved; and the third is the modeling of legal decisions. In the process of intelligent expansion of legal logic, the challenges it faces are as follows: the challenge of creativity in legal norms, the challenge of complexity of facts to be proved, and the challenge of balance of legal value. In the face of these challenges, the intelligent expansion of legal logic should adhere to the direction of scientific development. Legal logic must adhere to the practice of judicial decision, pay attention to non-monotonic logic and reasonable reasoning, and deepen and expand the cause-and-effect relationship.
Highlights
How to use logic to study legal issues is the core of legal logic research
The tendency is mainly manifested in three aspects; the first is the automation of the matching of legal norms; the second is the calculus of facts to be proved; and the third is the modeling of legal decisions
Legal logic as a research tool for the unification of theory and practice of law, it has the advantages of parallel development and mutual integration with “artificial intelligence and law”
Summary
How to use logic to study legal issues is the core of legal logic research. The initial research approach is to use the traditional logic theory to analyze legal cases, which is established on the traditional deductive logic and inductive logic. The research field of legal logic is not confined to a single legal regulation, nor is it imprisoned in a certain case Rather, it runs through the beginning and the end of the structure of legal norms and the process of law application. In terms of the application of logical methods, legal logic studies the model theory of legal argumentation (Lei, 2017). With the development of society and the constant updating of law, the study of legal logic must face the ever-changing social changes Both traditional logic methods and modern logic methods, they are gradually integrated with other disciplines, complementing and innovating in the cross-development. Intelligent development is the need of the development of legal logic itself, from the fusion of emerging disciplines and logical theory, and from the realistic requirement of social legal progress. Modeling legal decisions, through the logical model to construct the legal reasoning structures, make the legal decision show the process of intelligent deduction
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