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- Mikhail Rybakov, “Predicate counterparts of modal logics of provability: High undecidability and Kripke incompleteness”, Logic Journal of the IGPL, 2023, jzad002

- Anantha Padmanabha, R. Ramanujam, “A Decidable Fragment of First Order Modal Logic: Two Variable Term Modal Logic”, ACM Trans. Comput. Logic, 24, № 4, 2023, 1

- Ana de Almeida Borges, Joost J. Joosten, “Strictly Positive Fragments of the Provability Logic of Heyting Arithmetic”, Stud Logica, 2024

- Mikhail Rybakov, Dmitry Shkatov, “Polytime embedding of intuitionistic modal logics into their one-variable fragments”, Journal of Logic and Computation, 2024, exae077
