Let C(x) denote the predicate "x is in the correct place", let E(x) denote the predicate "x is inexcellent condition", and let T(x) denote the predicate "x is a tool" and suppose that the domainconsists of all tools. The translation of the statement :Nothing is in the correct place and is in excellent condition..into logical expressions using predicates, quantifiers and logical connectives isA(C (x) A E (x))X(C (x) A ¬E(x))C - Vx (C (x) ^ E (x))E (x) ^C (x) )

Given: Cx: x is in the correct place. Ex: x is in excellent condition. Tx: x is a tool. Domain…

Answered: Let C(x) denote the predicate "x is in…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Predicates P, T and E are defined below. The domain is the set of all positive integers. P(x) : x is even T(x, y): 2 = y E(x, y, z): x³ = z Indicate whether each logical expression is a proposition. If the expression is a proposition, then give its truth value. Logical Expression: (h) T(5, 16) → E(6, 3, 36) *Create a truth table for the expression
ii. Let F(x,y) be the open sentence "x can fool y" where the domain of discourse is the set of all people in the world. Express each of these statements using logical quantifiers. c. Everybody can fool somebody. e. Everyone can be fooled by somebody. f. There is somebody who can be fooled by everybody.
Express this in predicate logic: Each email address has exactly one email box. M(x): x is an email address B(x,y): x has an email box y
Determine whether the logical statement is a tautology, a contradiction or neither: (p→q) → (p v q). [Hint: Use a truth table with 4 rows; you need to check the last row; all T is a tautology: all F is a contradition; a mixture of T and F is neither.] Example statement: If adopting new software leads to savings, then we'll either adopt new software or save money. The parentheses fit in the statement like this: If (adopting new software leads to savings), then (we'll either adopt new software or save money). This interpretation gives adopting new software leads to savings = If we adopt new software, then we'll save money O a. Tautology O b. Neither Oc. Contradiction
Using relational predicates ( e.g. F(s,m) for, say, s can fool m), translate the following sentences into predicate logic. You can use English words for the quantification symbols (such as For All x instead of v x) if necessary Also give the negatives of each sentence in English. a) Everybody can fool somebody b) There is no-one who can fool everyone. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
Exercise 1. Express the following statements symbolically using multiple quantifiers. De- fine your domains and two-variable predicates. Then negate the statements. (a) Every rational number when multiplied by some integer is an integer. Domain(s): • Predicate: • Statement: • Negation: ● Englsih translation of negation: . Which is true? The original statement or its negation? Justify your answer.
(10) Let E denote the set of even integers, and O denote the set of odd integers. (a) Let P = "Every integer is either even or odd." Write P using logic symbols (and common notation for sets, like E, Z, N, Q etc).

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