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Question

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:

No creative is an employer.

All experts are creative.

All workers are experts.

Conclusions:

I. No employer is an expert.

II. No worker is an employer.

The correct answer is

Both conclusions I and II follow

Understanding Statements and Conclusions

This question asks us to analyze given statements and determine which of the provided conclusions logically follow. We must treat the statements as absolutely true, even if they contradict general knowledge. This type of question tests our ability to deduce information based purely on the given premises.

Given Statements:

  • Statement 1: No creative is an employer.
  • Statement 2: All experts are creative.
  • Statement 3: All workers are experts.

Given Conclusions:

  • Conclusion I: No employer is an expert.
  • Conclusion II: No worker is an employer.

Logical Deduction Process

To solve this, we can represent the relationships described in the statements. We can think of these as sets of people or things. Let's denote the sets:

  • C: Creative people
  • E: Employers
  • X: Experts
  • W: Workers

Based on the statements, we can write these relationships:

  • Statement 1: Creative and Employers have no overlap. In set notation, this means the intersection of set C and set E is empty: \( C \cap E = \emptyset \).
  • Statement 2: The set of Experts is entirely contained within the set of Creative. In set notation, \( X \subset C \).
  • Statement 3: The set of Workers is entirely contained within the set of Experts. In set notation, \( W \subset X \).

We can combine these relationships:

From Statement 3, \( W \subset X \).
From Statement 2, \( X \subset C \).
If Workers are a subset of Experts, and Experts are a subset of Creative, then Workers must also be a subset of Creative. So, \( W \subset C \).

Analyzing the Conclusions

Analysis of Conclusion I: No employer is an expert.

Conclusion I claims that there is no overlap between the set of Employers (E) and the set of Experts (X). In set notation, it claims \( E \cap X = \emptyset \).

We know from Statement 2 that \( X \subset C \) (All experts are creative).
We know from Statement 1 that \( C \cap E = \emptyset \) (No creative is an employer).

Imagine a group of Creative people. The group of Experts is inside this group of Creative people. The group of Employers has absolutely no members in common with the group of Creative people.

If Experts are inside Creative, and Creative has no overlap with Employers, then Experts also cannot have any overlap with Employers. Therefore, the claim \( E \cap X = \emptyset \) is logically true based on the statements.

Conclusion I follows.

Analysis of Conclusion II: No worker is an employer.

Conclusion II claims that there is no overlap between the set of Workers (W) and the set of Employers (E). In set notation, it claims \( W \cap E = \emptyset \).

We deduced from Statements 2 and 3 that \( W \subset C \) (All workers are creative).
We know from Statement 1 that \( C \cap E = \emptyset \) (No creative is an employer).

Imagine the group of Creative people. The group of Workers is inside this group of Creative people. The group of Employers has absolutely no members in common with the group of Creative people.

If Workers are inside Creative, and Creative has no overlap with Employers, then Workers also cannot have any overlap with Employers. Therefore, the claim \( W \cap E = \emptyset \) is logically true based on the statements.

Conclusion II follows.

Summary of Findings

Based on our analysis, both Conclusion I and Conclusion II logically follow from the given statements.

Statement/Conclusion Relationship Based On Follows?
Statement 1 No creative is an employer Given N/A
Statement 2 All experts are creative Given N/A
Statement 3 All workers are experts Given N/A
Deduction All workers are creative Statements 2 & 3 N/A
Conclusion I No employer is an expert Statement 1 & 2 Yes
Conclusion II No worker is an employer Statement 1 & Deduction Yes

Revision Table: Statements and Conclusions

Statements and conclusions questions require careful attention to the exact wording. Remember these points:

  • Assume statements are true, regardless of real-world facts.
  • "All" means every single member of the first group is in the second group (\( A \subset B \)).
  • "No" means the two groups have nothing in common (\( A \cap B = \emptyset \)).
  • "Some" means there is at least one member common to both groups (\( A \cap B \neq \emptyset \)), but not necessarily all. (Not used in this specific question, but good to know).
  • Draw diagrams (like Venn diagrams) if it helps visualize the relationships between the groups.

Additional Information: Syllogisms in Logic

The structure of this question is similar to a syllogism, a form of logical argument that applies deductive reasoning to arrive at a conclusion based on two or more propositions that are asserted or assumed to be true. A common form is the categorical syllogism, which deals with statements about categories or sets, often using terms like "all," "no," and "some."

In this case, we have a chain of relationships:

Workers \( \subset \) Experts
Experts \( \subset \) Creative
Creative \( \cap \) Employers = \( \emptyset \)

From this, we can logically connect the sets and deduce the conclusions about the relationships between Workers, Experts, and Employers.

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Important Questions from Syllogism

  1. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

    Statements:

    All fruits are stems.

    Some fruits are leaves.

    Conclusions:

    I. Some stems are leaves.

    II. Some leaves are fruits.

  2. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

    Statements:

    Some students are players.

    All players are male.

    Conclusions:

    I. All males are players.

    II. Some males are students.

  3. Read the given statement(s) and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statement(s).

    Statements:

    Some Queens are kings.

    All kings are officers.

    No officer is architect.

    Conclusions:

    I. Some officers are queens.

    II. No king is architect.

  4. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

    Statements:

    Some actors are choreographers.

    All choreographers are producers.

    Not a single producer is a director.

    Conclusions:

    I. Some actors are directors.

    II. Not a single actor is a director.

  5. Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

    Statements : 

    1. All flowers are tulips.

    2. No tulips are whites.

    Conclusions :

    I. All tulips are flowers.

    II. Some tulips are whites.

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