This is an open source Lean 4 Library with proves about data structures for working with the relational calculus. The motivation of this is two-fold. First as an educational resource for learning ...

Abstract: We introduce a theory of relations and a method to prove using relational calculus. Several notions in mathematics and computer science are formalized using relational expressions.

7.) Adding related resource data The final datatype we will cover in this tutorial will be related resources. Related resources are imported via the relational data model as json. The following sql ...

Abstract: Query formulation is increasingly performed by systems that need to guess a user's intent (e.g. via spoken word interfaces). But how can a user know that the computational agent is returning ...