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[DOC File]Selected Rules of Predicate Calculus (Intuitive Approach)
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SYMBOLIC LOGIC PREDICATE LOGIC: RULES OF INSTANTIATION. INSTANTIATION. Sometimes a premise contains a formula whose main connective is a quantifier. We cannot apply any other rules of deduction to that formula until we get rid of the quantifier as …
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[DOC File]September 7, 2004
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There is no appropriate syntactic category or semantic type in predicate logic. Inadequacy of 1st-order predicate logic for representing the semantic structure of natural language. We can solve this problem when we have the lambda-calculus and a richer type theory. Categories of PC: Categories of NL: Formula - Sentence. Predicate - Verb, Common ...
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[DOC File]SYMBOLIC LOGIC
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PREDICATE LOGIC: Why It Is Necessary. Logic makes rules about the inferences we make, allowing us to measure their accuracy with rigor. Sentential logic can show the truth values of a . compound sentence. under any possible scenario of truth values of its atomic sentences. Sentential logic also can be used to determine the relationship between ...
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[DOC File]INTRODUCTION TO PREDICATE LOGIC: Quantifiers
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The equivalence rules and inference rules of propositional logic are still part of predicate logic. There are arguments with predicate wffs that are not tautologies but are still valid because of their structure and the meaning of the universal and existential quantifiers. Approach to proving arguments is: strip off quantifiers. manipulate ...
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[DOC File]Logic and Proofs
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Then our predicate is ((x) ((y) (x (y ( G(x, y) ( (z (G(x, z) ( (x=y) ( (x=z))) #6. a) Page 73, #4. Construct an argument using rules of inference to show that the hypotheses “If it does not rain or if it is not foggy, then the sailing race will be held and the lifesaving demonstration will go on”, “If …
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[DOC File]Artificial Intelligence (CS435)
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End: Wednesday, November 11th at 12AM 12 Strategies and Derived Rules 13 Predicate Logic: Identity and Functions 14 Thanksgiving Break 15 Review Start: Monday, December 7th at 9AM. End: Monday, December 14th at 12AM
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[DOC File]Lecture 2
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9. Translate these into the notation of Predicate Logic. (9 pts) A. Only registered voters will be given a ballot, and Joe’s not registered. B. A categorical syllogism is invalid if it breaks a rule, and if it doesn’t break a rule, it’s valid. C.
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[DOC File]Predicate Logic I: Syntax
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Examples of translations of English statements into Predicate Logic. Definition: Two integers are given. We say that a divides if there is an integer , such that . Symbolically. Translate the following sentences into predicate logic: Every number divisible by 4 is even. or. Every sum of two positive numbers is positive. or. or more precisely
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[DOC File]Introduction to Logic
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Problem set 2(1,2) Predicate Logic: Syntax. 7 Predicate Logic inference rules. Problem set 2(4) Semantic Networks. Problem set 2(3) 8 Conceptual Graphs. Problem set 2(5) Structured representation: Frames. Problem set 2(6) 9 Expert Systems: Introduction Rule-Based Systems
predicate logic example

Predicate logic rules