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Question

Given below are two statements 1 and 2, and two conclusions I and II.

Statement 1: All entrepreneurs are wealthy.

Statement 2: All wealthy are risk seekers.

Conclusion I: All risk seekers are wealthy.

Conclusion II: Only some entrepreneurs are risk seekers.

Based on the above statements and conclusions, which one of the following options is CORRECT?

The correct answer is

Neither conclusion I nor II is correct

Syllogism Analysis: Entrepreneurs, Wealthy, and Risk Seekers

This problem involves logical reasoning, specifically syllogism. We are given two statements and two conclusions, and we need to determine which conclusion(s) logically follow from the given statements.

Statements Breakdown

Let's represent the categories as follows:

  • E: Entrepreneurs
  • W: Wealthy
  • R: Risk Seekers

Now, let's interpret the given statements:

  • Statement 1: All entrepreneurs are wealthy.

    This means that the set of entrepreneurs is completely contained within the set of wealthy people. In logical terms, if someone is an entrepreneur, then they are wealthy. We can represent this as: \(\text{E} \rightarrow \text{W}\).

  • Statement 2: All wealthy are risk seekers.

    This means that the set of wealthy people is completely contained within the set of risk seekers. In logical terms, if someone is wealthy, then they are a risk seeker. We can represent this as: \(\text{W} \rightarrow \text{R}\).

Analyzing the Conclusions

Conclusion I: All risk seekers are wealthy.

  • This conclusion is stating the converse of Statement 2. Statement 2 says "All wealthy are risk seekers" (\(\text{W} \rightarrow \text{R}\)).
  • The converse of a statement "All A are B" is "All B are A." It is a common logical fallacy to assume that the converse is true just because the original statement is true.
  • For example, if "All dogs are animals" is true, it does not mean "All animals are dogs" is true. There are many animals that are not dogs.
  • Similarly, just because all wealthy individuals are risk seekers, it does not necessarily mean that all risk seekers are wealthy. There could be risk seekers who are not wealthy.
  • Therefore, Conclusion I does not logically follow from the given statements.

Conclusion II: Only some entrepreneurs are risk seekers.

  • Let's combine Statement 1 and Statement 2.
    • From Statement 1: All entrepreneurs are wealthy (\(\text{E} \rightarrow \text{W}\)).
    • From Statement 2: All wealthy are risk seekers (\(\text{W} \rightarrow \text{R}\)).
  • By transitivity (if A implies B, and B implies C, then A implies C), we can deduce a combined statement:

    All entrepreneurs are risk seekers (\(\text{E} \rightarrow \text{R}\)).

  • Now, let's compare this deduction with Conclusion II: "Only some entrepreneurs are risk seekers."
    • If "All entrepreneurs are risk seekers" is true, it means 100% of entrepreneurs are risk seekers.
    • The phrase "Only some X are Y" implies that a part of X are Y, and crucially, not all X are Y. It suggests that there is a subset of X that is Y, and another subset of X that is not Y.
    • Since our deduction is "All entrepreneurs are risk seekers," it contradicts the "not all" implication of "Only some entrepreneurs are risk seekers."
    • If all entrepreneurs are risk seekers, then "some entrepreneurs are risk seekers" is true (as "all" implies "some"). However, "only some" specifically excludes the possibility of "all."
  • Therefore, Conclusion II does not logically follow from the given statements; in fact, it contradicts the valid deduction.

Final Assessment

Based on our analysis:

  • Conclusion I ("All risk seekers are wealthy") is incorrect.
  • Conclusion II ("Only some entrepreneurs are risk seekers") is incorrect.

Thus, neither conclusion I nor conclusion II is correct.

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Important Questions from Logical Venn Diagram

  1. Two statements are given, followed by three conclusions numbered I, II and III. Assuming the statement to be true even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

    Statements:

    Some quadrilateral are squares.

    All squares are rhombuses.

    Conclusions:

    I. No quadrilateral is a rhombus.

    II. All rhombuses are squares.

    III. Some quadrilaterals are rhombuses.
  2. Select the Venn diagram that best illustrates the relationship between the following classes.

    Civics, Subject, Chemistry

  3. Select the Venn diagram that best represents the given set of classes.

    Currencies, Yuan, Baht
  4. Select the Venn diagram that best represents the given set of classes.

    Animals, Reptiles, Snakes
  5. Select the Venn diagram that best represents the given set of classes.

    Whales, Bats, Mammals
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