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math.LO2019
Proof Theory for Positive Logic with Weak Negation
Marta Bílková, Almudena Colacito
Proof-theoretic methods are developed for subsystems of Johansson's logic obtained by extending the positive fragment of intuitionistic logic with weak negations. These methods are…
math.GR2019
Orders on groups, and spectral spaces of lattice-groups
Almudena Colacito, Vincenzo Marra
Extending pioneering work by Weinberg, Conrad, McCleary, and others, we provide a systematic way of relating spaces of right orders on a partially ordered group, on the one hand, a…