/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 22 Let \(p\) and \(q\) represent th... [FREE SOLUTION] | 91Ó°ÊÓ

91Ó°ÊÓ

Let \(p\) and \(q\) represent the following simple statements: \(p: Y o u\) are human. q: You have feathers. Write each compound statement in symbolic form. Not having feathers is necessary for being human.

Short Answer

Expert verified
The symbolic form of the compound statement 'Not having feathers is necessary for being human' is \(p \rightarrow \neg q\)

Step by step solution

01

Identify the simple statements

The simple statements are identified from the problem. They are represented by \(p\) and \(q\). 'You are human' is represented by \(p\) and 'You have feathers' is represented by \(q\).
02

Understand the meaning of 'necessary'

In logic, 'A is necessary for B' means that B can't be true unless A is true. In symbolic form, we represent this as 'If B then A' or \(B \rightarrow A\).
03

Apply logical operators

The original statement 'Not having feathers is necessary for being human' is equivalent to 'If you are human then you do not have feathers'. Therefore, we express 'not having feathers' as 'not q' or \(\neg q\).
04

Write the final symbolic form

The given compound statement in symbolic form based on the previous steps is 'If p then not q' or \(p \rightarrow \neg q\)

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91Ó°ÊÓ!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Conditional Statements
Conditional statements are at the heart of symbolic logic. They are often phrased as "if-then" statements. For example, in our exercise, the expression "not having feathers is necessary for being human" can be rephrased using an if-then structure. This translates to: "If you are human, then you do not have feathers." In symbolic logic, these statements are critical.

The structure of a conditional statement involves two parts:
  • An antecedent (what follows after 'if'), which is the condition assumed or given. In our example, "you are human" is the antecedent.
  • A consequent (what follows after 'then'), which is the result or outcome of the condition. Here, "you do not have feathers" is the consequent.
It's crucial to understand that not all natural language "if-then" statements have the same structure in symbolic logic. Context determines their translation.
Logical Operators
Logical operators are symbols or words used in logic to connect simple statements and express a specific relationship. In our example, the logical operator we focus on is the conditional (if-then), which is expressed with the symbol \(\rightarrow\).

When translating a statement into symbolic form, these operators are used to form clearer logical expressions. Some common logical operators include:
  • Conjunction \(\land\) ("and")
  • Disjunction \(\lor\) ("or")
  • Negation \(eg\) ("not")
  • Conditional \(\rightarrow\) ("if-then")
In the given scenario, "not having feathers" translates to \(eg q\). This requires understanding that negation reverses the truth value of a statement. Thus, the complete translation of the conditional statement is \(p \rightarrow eg q\), where "\(eg q\)" signifies the negation of "you have feathers."
Compound Statements
Compound statements integrate multiple simple statements into one, using logical operators. They're useful for expressing complex ideas clearly and concisely. In our solved problem, the compound statement is "not having feathers is necessary for being human."

To break it down:
  • This compound statement combines "you are human" (\(p\)) and "you do not have feathers" (\(eg q\)).
  • The entire expression is controlled by the conditional logic, indicated by the arrow \(\rightarrow\).
By understanding this form, you grasp how complex conditions are broken into simpler parts, represented symbolically as \(p \rightarrow eg q\). It illustrates the relationship between being human and the absence of feathers: a nuanced condition expressed neatly as a compound logical statement.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Translate each argument into symbolic form. Then determine whether the argument is valid or invalid. You may use a truth table or, if applicable, compare the argument's symbolic form to a standard valid or invalid form. (You can ignore differences in past, present, and future tense.) If it is cold, my motorcycle will not start. My motorcycle started. \(\therefore\) It is not cold.

Use the standard forms of valid arguments to draw a valid conclusion from the given premises. If I am a full-time student, I cannot work. If I cannot work, I cannot afford a rental apartment costing more than \(\$ 500\) per month. Therefore, ...

Translate each argument into symbolic form. Then determine whether the argument is valid or invalid. You may use a truth table or, if applicable, compare the argument's symbolic form to a standard valid or invalid form. (You can ignore differences in past, present, and future tense.) If some journalists learn about the invasion, the newspapers will print the news. If the newspapers print the news, the invasion will not be a secret. No journalists learned about the invasion. \(\therefore\) The invasion was a secret.

No animals that eat meat are vegetarians. No cat is a vegetarian. Felix is a cat. Therefore, ... a. Felix is a vegetarian. b. Felix is not a vegetarian. c. Felix eats meat. d. All animals that do not eat meat are vegetarians.

Translate each argument into symbolic form. Then determine whether the argument is valid or invalid. You may use a truth table or, if applicable, compare the argument's symbolic form to a standard valid or invalid form. (You can ignore differences in past, present, and future tense.) If Tim and Janet play, then the team wins. Tim played and the team did not win. \(\therefore\) Janet did not play.

See all solutions

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.