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 follows from the statements. Statements: Some bowls are cups. All cups are glasses. Some glasses are plates. All plates are utensils. Conclusions: I. All bowls cannot be utensils. II. All glasses cannot be utensils
Neither conclusion I nor II follows
The problem requires us to evaluate two conclusions based on a set of given statements. We must assume the statements are true and determine which conclusions logically follow from them.
Let's break down the given statements:
This conclusion claims it's impossible for all bowls to be utensils. Let's see if we can construct a scenario (a possible Venn diagram representation) where all bowls are utensils, without contradicting any of the statements.
Now consider if all bowls can be utensils. The statements only guarantee that some bowls are glasses (because they are cups). What about the other bowls (if any)? Or even the bowls that are glasses? The statements do not restrict bowls from being plates or utensils directly. It is possible to draw a diagram where:
For instance, imagine if the set of 'bowls' was entirely contained within the set of 'utensils'. This would not contradict any statement: 'Some bowls are cups' could still be true (that specific 'some' portion of bowls is also cups and thus utensils), 'All cups are glasses' would be true, 'Some glasses are plates' would be true, and 'All plates are utensils' would be true. Since it is possible for all bowls to be utensils, the conclusion "All bowls cannot be utensils" does not logically follow.
This conclusion claims it's impossible for all glasses to be utensils. Let's see if we can construct a scenario where all glasses are utensils, without contradicting any of the statements.
Can all glasses be utensils? The statements only guarantee that some glasses are utensils (specifically, the ones that are plates). What about the rest of the glasses? The statements do not restrict glasses from being utensils. It is possible to draw a diagram where:
Since statement 3 says "Some glasses are plates" and statement 4 says "All plates are utensils", we know that the set of plates is a subset of glasses AND a subset of utensils. This guarantees an overlap between glasses and utensils. However, this does not preclude the possibility that the entire set of glasses is also a subset of utensils. Since it is possible for all glasses to be utensils, the conclusion "All glasses cannot be utensils" does not logically follow.
Based on our analysis:
Therefore, neither conclusion logically follows from the given statements.
| Statement | Relationship |
|---|---|
| Some bowls are cups. | Bowls ∩ Cups ≠ ∅ |
| All cups are glasses. | Cups ⊂ Glasses |
| Some glasses are plates. | Glasses ∩ Plates ≠ ∅ |
| All plates are utensils. | Plates ⊂ Utensils |
Neither conclusion I nor conclusion II follows from the given statements.
| Term | Explanation |
|---|---|
| Statement (Premise) | A proposition assumed to be true for the purpose of an argument. |
| Conclusion | A proposition that is claimed to follow logically from the statements. |
| Syllogism | A form of deductive reasoning where a conclusion is drawn from two or more given premises. |
| Follows Logically | Means the conclusion must be true if the statements are true, in all possible scenarios consistent with the statements. |
| Does Not Follow | Means there is at least one possible scenario consistent with the statements where the conclusion is false. |
Statements in syllogism problems typically fall into one of four categories:
Understanding these types helps in visually representing the relationships using Venn diagrams or analyzing them using rules of logic. "Cannot be" in a conclusion often implies a particular negative statement, or checking for the possibility of the opposite (a universal affirmative or particular affirmative).
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 dancers are talented.
Some girls are dancers.
Conclusions:
I. Some girls are talented.
II. All talented are girls.
III. All girls are talented.
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 directors are actors.
No actor is a producer.
All choreographers are directors.
Conclusions:
I. No choreographer is producer.
II. Some actors are choreographers.
III. No director is a producer.
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 follows from the statements.
Statements:
All lemons are plums.
All plums are dates.
Some dates are mangoes.
Conclusions:
I. Some lemons are mangoes.
II. Some mangoes are plums.
III. All lemons are dates.
IV. Some mangoes are dates.
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 cards are postcards.
Some cards are envelopes.
All envelopes are copies.
Conclusions:
I. Some copies are envelopes.
II. Some postcards are copies.
III. Some cards are copies.
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 employees are tax-payers.
Some employees are farmers.
Some farmers are doctors.
Conclusions:
I. No farmer is a tax-payer.
II. Some farmers are tax-payers.