Lectures related to Set Theory: Basics and Operations

Explores homotopical algebra examples and adjunctions, focusing on left and right adjoints in group functors and coproducts.

Covers the definition of applications, image of elements, and direct and reciprocal images.

Focuses on injective functions in linear algebra, demonstrating how to verify properties and prove injectivity.

Explores two definitions of group action on a set, focusing on properties and applications.