Math Problem Statement

Please complete the truth table for the following argument and answer the questions below: Premise 1: (¬A ≡ B) Premise 2: (A → ¬B) Conclusion: (¬A).

Solution

The image shows a truth table that needs to be completed for an argument. The table includes two premises and a conclusion, with columns for different truth values of AA and BB.

The structure of the truth table:

  • Premise 1: ¬A    B\neg A \iff B
  • Premise 2: A¬BA \rightarrow \neg B
  • Conclusion: ¬A\neg A

You need to evaluate these statements for all possible combinations of AA and BB (i.e., when AA and BB take the values 0 or 1).

Truth Table Guide:

The truth table should be completed by evaluating each row for the premises and the conclusion.

Symbols:

  • ¬\neg: NOT (negation)
  •     \iff: Biconditional (if and only if)
  • \rightarrow: Implication (if... then...)

Steps to complete the truth table:

  1. Premise 1: ¬A    B\neg A \iff B

    • This is true when both ¬A\neg A and BB are the same (both true or both false).
  2. Premise 2: A¬BA \rightarrow \neg B

    • This is false only if AA is true and ¬B\neg B is false. Otherwise, it's true.
  3. Conclusion: ¬A\neg A

    • This simply negates AA.

The truth values for all combinations of AA and BB will look like:

AB¬A    B\neg A \iff BA¬BA \rightarrow \neg B¬A\neg A
00
01
10
11

Filling in the table:

  1. Evaluate ¬A\neg A for each row.
  2. Check ¬A    B\neg A \iff B (Premise 1).
  3. Check A¬BA \rightarrow \neg B (Premise 2).
  4. Verify the conclusion ¬A\neg A.

Do you want me to fill in the table fully or explain any part of this in more detail? Feel free to ask for specific clarifications.


Here are some related questions for further learning:

  1. What is the truth value of ¬A    B\neg A \iff B when A=0A = 0 and B=1B = 1?
  2. How do you determine if an argument is valid or invalid using a truth table?
  3. What does it mean when a row in a truth table is a counterexample?
  4. How does the implication A¬BA \rightarrow \neg B behave when both AA and BB are true?
  5. What is the difference between a valid and a sound argument?

Tip: In a truth table, an argument is valid if there is no row where all premises are true but the conclusion is false.

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Math Problem Analysis

Mathematical Concepts

Logic
Truth Tables
Propositional Logic

Formulas

Negation: ¬A is true when A is false
Biconditional (≡): A ≡ B is true when both A and B have the same truth value
Implication (→): A → B is false only when A is true and B is false

Theorems

Truth Table Evaluation
Logical Validity

Suitable Grade Level

Grades 9-12 (Introduction to Logic)