Statements:
All flats are villas.
No villa is an apartment.
Conclusions:
(I) No flat is an apartment.
(II) No apartment is a villa.
This solution provides a logical breakdown to determine which conclusions follow from the given statements.
This statement establishes a universal affirmative relationship. It means the entire category of 'flats' is included within the category of 'villas'. In set theory terms, if $F$ represents the set of flats and $V$ represents the set of villas, then $F \subseteq V$.
This statement establishes a universal negative relationship. It indicates that there is no common member between the set of 'villas' and the set of 'apartments'. Using set notation, if $A$ represents the set of apartments, then $V \cap A = \emptyset$. This also implies the symmetrical relationship $A \cap V = \emptyset$.
Given that all flats are villas ($F \subseteq V$) and no villa is an apartment ($V \cap A = \emptyset$), it logically follows that no flat can be an apartment. If something is a flat, it must be a villa, and since no villa is an apartment, that thing cannot be an apartment either. Therefore, $F \cap A = \emptyset$. This conclusion is valid.
Statement 2 directly states "No villa is an apartment" ($V \cap A = \emptyset$). The nature of the "No X is Y" relationship is symmetrical. This means that if no villa is an apartment, then it must also be true that no apartment is a villa ($A \cap V = \emptyset$). This conclusion is directly supported by Statement 2 and is therefore valid.
Both Conclusion I and Conclusion II are logically derived from the provided statements. Hence, both conclusions follow.
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).
Statement:
Most students know English language.
Conclusions:
1. Some students know English language.
2. Some students do not know English language.
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.