Foundations of Software Science and Computation Structures 27th International Conference, FoSSaCS 2024, Held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2024, Luxembourg City, Luxembourg, April 6–11, 2024, Proceedings, Part II

The two open access volumes LNCS 14574 and 14575 constitute the proceedings of the 27th International Conference on Foundations of Software Science and Computation Structures, FOSSACS 2024, which took place in Luxembourg in April 2024.

Types and Programming Languages.- From Rewrite Rules to Axioms in the lambdaPi-Calculus Modulo Theory.- Light Genericity.- Logical Predicates in Higher-Order Mathematical Operational Semantics.- On Basic Feasible Functionals and the Interpretation Method.- Logic and Proofs.- Succinctness of Cosafety Fragments of LTL via Combinatorial Proof Systems.- A Resolution-Based Interactive Proof System for UNSAT.- Craig Interpolation for Decidable First-Order Fragments.- Clones, closed categories, and combinatory logic.- Infinite-State Systems.- Reachability in Fixed VASS: Expressiveness and Lower Bounds.- From Innermost to Full Almost-Sure Termination of Probabilistic Term Rewriting.- Dimension-Minimality and Primality of Counter Nets.- Parameterized Broadcast Networks with Registers: from NP to the Frontiers of Decidability.