My research in Computational Logic includes the following topics.

Proof theory: Classical, intuitionistic, and linear logics; focused proof systems; fixed points; higher-order quantification

Automated reasoning: foundational proof certificates (ProofCert), unification, interactive theorem proving, Abella, Bedwyr

Logic programming: proof theory foundations, λProlog, λ-tree syntax, linear logic programming

Formalized meta-theory: two-level logic specifications, structured operational semantics

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