video1.0<iframe src="https://www.loom.com/embed/c9858cda804541bd8b4a9757bd212a09" frameborder="0" width="1920" height="1440" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>14401920Loomhttps://www.loom.com14401920https://cdn.loom.com/sessions/thumbnails/c9858cda804541bd8b4a9757bd212a09-f49726abf1fa1300.gif2046.04In this video, I explain the concepts of supremum and infimum, focusing on their definitions and importance in mathematical analysis. I discuss how these concepts apply to both closed and open sets, and I provide examples to illustrate their significance. I also touch on the relationship between these concepts and functions, emphasizing the conditions under which maxima and minima exist. Please take a moment to review the definitions and examples I provided, as they are crucial for our upcoming discussions.