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Substructural logics

Speaker(s)
Paweł Urzyczyn
Affiliation
MIMUW
Date
April 21, 2023, 12:15 p.m.
Room
room 5820
Seminar
Seminar Semantics, Logic, Verification and its Applications

Wiadomo, że logiki BCI i BCK są NP-zupełne. Ale jak się dobrze
postawi pytanie o wnioskowanie w BCK (BCI), to odpowiedź jest
całkiem inna i może być nawet akermańska.

It is known that BCI and BCK logics are NP-complete. But if the
question of deducibility in BCK (BCI) is properly stated then the
answer is quite different, even Ackermannian.

References: H. Tanaka, CSL 2023 and R. Lazić, S. Schmitz, ACM ToCL 2015.