⭐ A Simple Way to Think About Regular Expressions If strings were people in a crowd, then...
Theory of Computation
⭐ Why “closure” matters Closure tells us what we can build using regular languages. If you know...
⭐ Why is this important? It tells us something beautiful: It’s like sketching an idea freely on...
⭐ Why do we need NFAs? You might ask:“Why use something that gives multiple choices? Isn’t that...
🌱 The Three Main Regular Operations There are three classic operations every student should know: Let’s explore...
🌱 What Exactly Is a DFA?** Think of a DFA as a little robot with: The robot...
🌱 What Is Proof by Induction? Imagine you set up a long line of dominoes on the...
What is the Pigeonhole Principle? The pigeonhole principle says: “If you try to place more objects than...
⭐ What Is a Proof by Contradiction? (Simple Words) A proof by contradiction works like this: It’s...
⭐ What Is a Nonconstructive Proof? A nonconstructive proof demonstrates that something exists without directly building it....