Exercise: propositional rewriting The Prototype Verification System PVS Formal proofs — Proofs in the Prototype Verification System- PVS Deduction a ̀ la Gentzen Exercise: predicate rewriting Formalizations Exercise: more on rewriting

Case study: rewriting Exercise: following proofs in the PVS theory trs Exercise: following proofs in the PVS theory trs Conclusions and Future Work Motivation: formalization- proofs & deduction Formal proofs — Proofs in the Prototype Verification System- PVS Formalizations Conclusions and Future Work Computational proofs- logic & deduction Table: Natural deduction for classical propositional logic introduction rules elimination rules ϕ ψ ϕ ∧ ψ (∧i) ϕ ∧ ψ ϕ (∧e) ϕ ϕ ∨ ψ (∨i) ϕ ∨ ψ [ϕ]