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Hybrid Deduction–Refutation Systems
2019
Axioms
Hybrid deduction–refutation systems are deductive systems intended to derive both valid and non-valid, i.e., semantically refutable, formulae of a given logical system, by employing together separate derivability operators for each of these and combining 'hybrid derivation rules' that involve both deduction and refutation. The goal of this paper is to develop a basic theory and 'meta-proof' theory of hybrid deduction–refutation systems. I then illustrate the concept on a hybrid derivation
doi:10.3390/axioms8040118
fatcat:ar4xhq35yjcsvjxa7hnz5fqvim