
handle: 11562/235824
Fibring is one of the techniques for constructing new logics. The fibring of two logics is obtained by combining their languages, deduction systems and semantics. The main goal of the paper is to show how labelled deduction systems can be fibred. Two forms of fibring: constrained and unconstrained fibring are considered in the paper. The authors characterize a condition under which a labelled presentation is sound and complete and analyze under which condition soundness and completeness are preserved by fibring.
category theory, Abstract deductive systems, fibring of logics, general semantics, labelled deductive systems, natural deduction, Fibring of logics; labelled deduction systems; natural deduction; general semantics; category theory, Categorical logic, topoi
category theory, Abstract deductive systems, fibring of logics, general semantics, labelled deductive systems, natural deduction, Fibring of logics; labelled deduction systems; natural deduction; general semantics; category theory, Categorical logic, topoi
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