(Continuing Lecture 02. Review Homework 02)

Relational Semantics - Specifying meaning of programs using relations, their composition, union and transitive closure.

Using Relational Semantics - Applying Relational Semantics to Prove Program Properties

Hoare Logic Basics - Hoare Triple, Strongest Postcondition, Weakest Precondition, Non-deterministic loops

(Continued in Lecture 04. We also see some introduction to HOL and theorem proving in Lecture 03a)