Voxxed Days Luxembourg 2023 Room: Linux Type: Quickie Be aware: it's mostly theoretical math here! But math is an essential part of our everyday work as software engineers, so it's worth having a closer look at what the math behind software is. This presentation is focused on the concept of vacuous truth and how it can impact our work. The talk opens with an intro on how and where math intersects with software development and moves on to defining vacuous truth exactly and a brief explanation of why calling .allMatch on empty Stream will always return true.