'Existential quantifiers' presentation slideshows

The Relational Calculus

The Relational Calculus. (Based on Chapter 9 in Fundamentals of Database Systems by Elmasri and Navathe, Ed. 3). Contents. Introduction to Relational Calculus Tuple Relational Calculus Tuple Variables and Range Relations Formal Specification of Tuple Relational Calculus

837 views • 61 slides

Herbrand Models

2.58k views • 33 slides

First-Order Logic: Review

First-Order Logic: Review. First-order logic. First-order logic (FOL) models the world in terms of Objects, which are things with individual identities Properties of objects that distinguish them from others Relations that hold among sets of objects

325 views • 32 slides

First-Order Logic: Review

First-Order Logic: Review. First-order logic. First-order logic (FOL) models the world in terms of Objects, which are things with individual identities Properties of objects that distinguish them from others Relations that hold among sets of objects

388 views • 28 slides

Skolem Functions in Linguistics Yoad Winter Technion/Utrecht University Utrecht, 5 July 2008

Skolem Functions in Linguistics Yoad Winter Technion/Utrecht University Utrecht, 5 July 2008 Syntax, Semantics, and Discourse: the Theory of the Interface Workshop in memory of Tanya Reinhart. Indefinites: existential quantifiers?. Bertnard Russell (1872-1970).

444 views • 27 slides

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus. Biointelligence Lab School of Computer Sci. & Eng. Seoul National University. Outline. Unification Predicate-Calculus Resolution Completeness and Soundness Converting Arbitrary wffs to Clause Form

360 views • 25 slides

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus. Biointelligence Lab School of Computer Sci. & Eng. Seoul National University. Outline. Unification Predicate-Calculus Resolution Completeness and Soundness Converting Arbitrary wffs to Clause Form

367 views • 25 slides

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus. Biointelligence Lab School of Computer Sci. & Eng. Seoul National University. Outline. Unification Predicate-Calculus Resolution Completeness and Soundness Converting Arbitrary wffs to Clause Form

252 views • 25 slides

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus. Biointelligence Lab School of Computer Sci. & Eng. Seoul National University. Outline. Unification Predicate-Calculus Resolution Completeness and Soundness Converting Arbitrary wffs to Clause Form

264 views • 25 slides

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus

Artificial Intelligence Chapter 16 Resolution in the Predicate Calculus. Biointelligence Lab School of Computer Sci. & Eng. Seoul National University. Outline. Unification Predicate-Calculus Resolution Completeness and Soundness Converting Arbitrary wffs to Clause Form

254 views • 25 slides

? 1 6 ? ????????

? 1 6 ? ????????. Outline. Unification Predicate-Calculus Resolution Completeness and Soundness Converting Arbitrary wffs to Clause Form Using Resolution to Prove Theorems Answer Extraction The Equality Predicate Additional Readings and Discussion. 16.1 ??.

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3.1 Statements Negations, and Quantified Statements

3.1 Statements Negations, and Quantified Statements. Sentences can be factual statements, opinions, commands or questions. Symbolic logic only works with factual statements. A statement is a declarative sentence that is either true or false, but not both simultaneously.

1.03k views • 15 slides

Resolution and Unification

Resolution and Unification. CIS 479/579 Bruce R. Maxim UM-Dearborn. Resolution. Proves statements are true by refutation If you negate the statement to be proved you get a contradiction to statements already known to be true

531 views • 14 slides

CS 285- Discrete Mathematics

CS 285- Discrete Mathematics. Lecture 5. Section 1.4 Nested Quantifiers. Nesting of Quantifiers Negating Nested Quantifiers Order of Quantifiers. Nesting of Quantifiers. Nested Quantifiers are quantifiers that occur within the scope of other quantifiers Example:

300 views • 11 slides

SWRL 0.6 A Semantic Web Rule Language Combining OWL and RuleML

SWRL 0.6 A Semantic Web Rule Language Combining OWL and RuleML. Ian Horrocks, Peter F. Patel-Schneider, Harold Boley, Said Tabet, Benjamin Grosof, Mike Dean presented by Axel Polleres http://www.daml.org/rules/proposal/. Overview. SWRL Overview Abstract Syntax Model-Theoretic Semantics

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Converting arbitrary wffs to CNF

Converting arbitrary wffs to CNF A wff is in prenex form iff it consists of a string of quantifiers (called a prefix ) followed by a quantifier free formula called a matrix . 5. Convert to Prenex Form

2.13k views • 10 slides

(1.4) An Introduction to Logic

(1.4) An Introduction to Logic. Logic is a tool that allows us to apply mathematical reasoning in problem solving. Definition : A statement is a sentence that is either true or false, but not both. Example (i) : Which of the following are statements?

282 views • 4 slides