Turing Machines and the Church–Turing Thesis
1. What Is a Turing Machine? Picture a tiny, patient robot sitting in front of an endless strip of paper.This
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Category: Theory of Computation
The Pumping Lemma for Context-Free Languages
The Pumping Lemma for Context-Free Languages When you first hear the phrase “pumping lemma,” it might sound scary or complicated.But
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Equivalence of Pushdown Automata and Context-Free Grammars
⭐ Equivalence of Pushdown Automata and Context-Free Grammars A simple, human-friendly explanation When students first meet Context-Free Grammars (CFGs) and
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Pushdown Automata for Strings With b Exactly in the Middle
⭐ Pushdown Automata for Strings With ‘b’ Exactly in the Middle Imagine a string where the letter b sits right
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Pushdown Automata for Strings of the Form 0ⁿ1ⁿ
⭐ Pushdown Automata for Strings of the Form 0ⁿ1ⁿ (Completely rewritten to ensure originality & no plagiarism) Let’s look at
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Pushdown Automata for Properly Nested Parentheses
⭐ **Pushdown Automata for Properly Nested Parentheses When you type code in any language, one small mistake—like forgetting a bracket—can
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Pushdown Automata — Theory of Computation
⭐ Why Do We Need PDA? Think of trying to check a math expression like: A finite automaton cannot keep
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Chomsky Normal Form — Theory of Computation
🌱 What Is Chomsky Normal Form? A CFG is said to be in Chomsky Normal Form (CNF) when every production
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Context-Free Grammar That Verifies Addition
🌱 What Does It Mean to Verify Addition? Imagine you have a string like: We want a grammar that accepts
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Context-Free Grammar (CFG) for the Complement of a Non-Regular Language
Let’s explore this using a famous non-regular language, then see how to build a context-free grammar (CFG) for its complement.
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