/ NOT GIVEN (Continuing Lecture 05 with demo.) ===== A Logic for Reachability ===== Need for Reachability Weak Monadic Logic of One Successor Encoding Lists into WS1S ===== Specification Variables ===== Association List Example Circular List Example Soundness of Simple Ghost Variables ===== Procedures ===== Language with Specified Procedures Relational Semantics of Procedures Assume Guarantee Reasoning with Procedures G Reasoning Frame Conditions Simple Module Invariants