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Inference in first-order logic

Inference in first-order logic. Outline. Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining Backward chaining Resolution. Universal instantiation (UI). Every instantiation of a universally quantified sentence is entailed by it:

913 views • 74 slides

Artificial intelligence: Inference in first-order logic

Artificial intelligence: Inference in first-order logic. Outline. Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining Backward chaining Resolution. FOL to PL.

694 views • 60 slides

Logic

Logic. Knowledge-based agents. Knowledge base (KB) = set of sentences in a formal language Declarative approach to building an agent (or other system): Tell it what it needs to know Let it solve problems through a process of inference

695 views • 52 slides

Inference in first-order logic

Inference in first-order logic. Chapter 9. Outline. Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining Backward chaining Resolution. Universal instantiation (UI).

510 views • 50 slides

Inference in first-order logic

Inference in first-order logic. Chapter 9. Outline. Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining Backward chaining Resolution. Universal instantiation (UI).

695 views • 43 slides

Inference in first-order logic

Inference in first-order logic. Chapter 9. Outline. Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining Backward chaining Resolution. Universal instantiation (UI).

450 views • 43 slides

Inference in first-order logic

Inference in first-order logic. Chapter 9. Outline. Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining Backward chaining Resolution. Universal instantiation (UI).

543 views • 42 slides

First-Order Logic

461 views • 38 slides

Inference in first-order logic

Inference in first-order logic. Chapter 9. Outline. Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining Backward chaining Resolution. Universal instantiation (UI).

479 views • 35 slides

Inference in First-Order Logic

Inference in First-Order Logic. CHAPTER 9 Oliver Schulte. Outline. Reducing first-order inference to propositional inference Unification Lifted Resolution. Basic Setup. We focus on a set of 1 st -order clauses. All variables are universally quantified.

504 views • 32 slides

Inference in First-Order Logic

Inference in First-Order Logic. CHAPTER 9 Oliver Schulte. Outline. Reducing first-order inference to propositional inference Unification Lifted Resolution. Basic Setup. We focus on a set of 1 st -order clauses. All variables are universally quantified.

343 views • 32 slides

Inference in FOL

Inference in FOL. All rules of inference for propositional logic apply to first-order logic We just need to reduce FOL sentences to PL sentences by instantiating variables and removing quantifiers. Reduction of FOL to PL. Suppose the KB contains the following :

495 views • 31 slides

Inference in first-order logic

Inference in first-order logic. Chapter 9. Outline. Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining Backward chaining Resolution. Universal instantiation (UI).

383 views • 29 slides