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Knowledge Spaces and the Completeness of Learning Strategies

Stefano Berardi ; Ugo de'Liguoro.

We propose a theory of learning aimed to formalize some ideas underlying Coquand's game semantics and Krivine's realizability of classical logic. We introduce a notion of knowledge state together with a new topology, capturing finite positive and negative information that guides a learning strategy.&nbsp;[&hellip;]

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Retractability, games and orchestrators for session contracts

Franco Barbanera ; Ugo de'Liguoro.

Session contracts is a formalism enabling to investigate client/server interaction protocols and to interpret session types. We extend session contracts in order to represent outputs whose actual sending in an interaction depends on a third party or on a mutual agreement between the partners. Such&nbsp;[&hellip;]

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