References: Logic Minimization and Karnaugh Maps
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Karnaugh map - Wikipedia - Detailed explanation of K-map theory, grouping rules, and don't-care conditions with examples.
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Quine–McCluskey algorithm - Wikipedia - Formal algorithmic approach to logic minimization suitable for computer implementation.
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Digital Design (6th Edition) - M. Morris Mano and Michael Ciletti - Pearson - Chapter 4 provides comprehensive coverage of K-maps, prime implicants, and the Quine-McCluskey method.
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Karnaugh Maps - All About Circuits - Technical article on K-map simplification techniques with step-by-step examples.
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Introduction to K-Map - GeeksforGeeks - Tutorial covering 2, 3, and 4-variable K-maps with grouping strategies.