
We survey the logical structure of constructive set theories and point towards directions for future research. Moreover, we analyse the consequences of being extensible for the logical structure of a given constructive set theory. We finally provide examples of a number of set theories that are extensible. This article is part of the theme issue ‘Modern perspectives in Proof Theory’.
logic, admissible rules, substitution, FOS: Mathematics, constructive set theory, extensible theories, Mathematics - Logic, Articles, Logic (math.LO)
logic, admissible rules, substitution, FOS: Mathematics, constructive set theory, extensible theories, Mathematics - Logic, Articles, Logic (math.LO)
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