'Model specifies true false' presentation slideshows

Lecture 2 Logic and reasoning ? 2 ? ??????

Lecture 2 Logic and reasoning ? 2 ? ??????. 2.1 Propositional Logic ???? 2.2 Predicate Calculus ????. Acknowledgment. robotics.stanford.edu/~latombe/cs121/2003/home.htm ????? Nils J. Nilsson ? , ??? ???? Artificial Intelligence A New Synthesis ??????? 2000 ( ??????? TP18 NES).

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Logical Agents

Logical Agents. Chapter 7. Outline. Knowledge-based agents (Mon) Wumpus world (Mon) Logic in general - models and entailment (Mon) Propositional (Boolean) logic (Mon) Equivalence, validity, satisfiability (Mon) Inference rules and theorem proving (Wed?) forward chaining

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Logical Agents

Logical Agents. Chapter 7. Outline. Knowledge-based agents Wumpus world Logic in general - models and entailment Propositional (Boolean) logic Equivalence, validity, satisfiability Inference rules and theorem proving forward chaining backward chaining resolution . Knowledge bases.

868 views • 75 slides

Logical Agents

Logical Agents. Chapter 7. Outline. Knowledge-based agents Wumpus world Logic in general - models and entailment Propositional (Boolean) logic Equivalence, validity, satisfiability Inference rules and theorem proving forward chaining backward chaining resolution . Knowledge bases.

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Logical Agents

Logical Agents. Chapter 7. Knowledge bases. Knowledge base (KB): set of sentences in a formal language Inference: deriving new sentences from the KB. E.g.: A>5, B>A, ? B>5

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Logical Agents

Logical Agents. Chapter 7. Why Do We Need Logic?. Problem-solving agents were very inflexible: hard code every possible state. Search is almost always exponential in the number of states. Problem solving agents cannot infer unobserved information. Knowledge & Reasoning.

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logic

logic. Logic in general. Logics are formal languages for representing information such that conclusions can be drawn Syntax defines the sentences in the language Semantics define the "meaning" of sentences ; i.e., define truth of a sentence in a world E.g., the language of arithmetic

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Logical Agents

Logical Agents. Chapter 7. Outline. Knowledge-based agents Logic in general Propositional (Boolean) logic Equivalence, validity, satisfiability. Knowledge bases. Knowledge base = set of sentences in a formal language Declarative approach to building an agent (or other system):

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Logic in general

Logic in general. Logics are formal languages for representing information such that conclusions can be drawn Syntax defines the sentences in the language Semantics define the "meaning" of sentences; i.e., define truth of a sentence in a world E.g., the language of arithmetic

106 views • 10 slides