🌱 What Is Chomsky Normal Form? A CFG is said to be in Chomsky Normal Form (CNF)...
🌱 What Does It Mean to Verify Addition? Imagine you have a string like: We want a...
Let’s explore this using a famous non-regular language, then see how to build a context-free grammar (CFG)...
🌱 The Classic Nonregular Language: L = { aⁿ bⁿ | n ≥ 0 } This language...
🌱 What Does “Properly Nested” Mean? A string of parentheses is properly nested if: Here are examples:...
🌱 What Is a Context-Free Language? A Context-Free Language is a set of strings that can be...
🌱 What Is a Context-Free Language? A Context-Free Language (CFL) is a type of formal language that...
🌱 What We’re Trying to Prove We want to show: All strings built from a well-quasi-ordered alphabet...
⭐ What Higman’s Theorem Says (in human words) Here is the gentle version: If your alphabet is...
🌱 what is the idea behind the theorem? Higman’s Theorem is about sequences (think: strings made from...
