Cut to the core

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چکیده

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Cut for Core Logic

The motivation for Core Logic is explained. Its system of proof is set out. It is then shown that, although the system has no Cut rule, its relation of deducibility obeys Cut with epistemic gain. §1. The debate over logical reform. There is much dispute over which logic is the right logic—indeed, over whether there could even be such a thing as the right logic, rather than a spectrum of logics ...

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Cut for Classical Core Logic

In an earlier paper in this journal I provided detailed motivation for the constructive and relevant system of Core Logic; explained its main features; and established that, even though Cut is not a rule of the system, nevertheless Cut is admissible for it, and indeed with potential epistemic gain. If Π is a proof of the sequent ∆ : A, and Σ is a proof of the sequent Γ, A : θ, then there is a c...

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ژورنال

عنوان ژورنال: BMJ

سال: 2013

ISSN: 1756-1833

DOI: 10.1136/bmj.f4469