'Disjunctive normal form dnf' presentation slideshows

Logic of Propositions and Predicates

Logic of Propositions and Predicates. AI knowledge representation. Knowledge consists of models that attempt to represent the environment in such a way as to maximally simplify problem-solving. should support inference . i nference - any way to get new expressions from old.

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Mark Worth

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Chapter 8 Inference and Resolution for Problem Solving

Chapter 8 Inference and Resolution for Problem Solving. Chapter 8 Contents (1). Normal Forms Converting to CNF Clauses The Resolution Rule Resolution Refutation Proof by Refutation Example: Graph Coloring. Chapter 8 Contents (2). Normal Forms in Predicate Calculus Skolemization

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Chapter 8 Inference and Resolution for Problem Solving

Chapter 8 Inference and Resolution for Problem Solving. Chapter 8 Contents (1). Normal Forms Converting to CNF Clauses The Resolution Rule Resolution Refutation Proof by Refutation Example: Graph Coloring. Chapter 8 Contents (2). Normal Forms in Predicate Calculus Skolemization

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Discussion #10 Logical Equivalences

Discussion #10 Logical Equivalences. Topics. Laws Duals Manipulations / simplifications Normal forms Definitions Algebraic manipulation Converting truth functions to logic expressions. Law. Name. P ? ?P ? T P ? ?P ? F. Excluded middle law Contradiction law. P ? F ? P P ? T ? P.

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Chapter Six

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Section 6.2 Propositional Calculus

Section 6.2 Propositional Calculus Propositional calculus is the language of propositions (statements that are true or false). We represent propositions by formulas called well-formed formulas ( wffs ) that are constructed from an alphabet consisting of

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