Statements:
All pins are bugs.
All pins are cows.
Conclusions:
(I): Some bugs are cows.
(II): All cows are pins.
Logical Deduction: Pins, Bugs, and Cows
This problem requires analyzing logical statements to determine which conclusions are valid.
Analyzing the Statements
We are given two statements:
- Statement 1: All pins are bugs.
- Statement 2: All pins are cows.
Let P represent the set of 'pins', B represent the set of 'bugs', and C represent the set of 'cows'. The statements can be written in terms of set theory:
- $P \subseteq B$ (All pins are bugs)
- $P \subseteq C$ (All pins are cows)
Evaluating Conclusion (I): Some bugs are cows
Since the set of pins (P) is a subset of both the set of bugs (B) and the set of cows (C), it means that any item that is a pin is necessarily both a bug and a cow.
This implies that the intersection of the set of bugs and the set of cows is not empty; it must contain at least all the pins. Mathematically, $P \subseteq (B \cap C)$. If the set P is non-empty, then $B \cap C$ is non-empty.
Therefore, the conclusion "Some bugs are cows" logically follows.
Evaluating Conclusion (II): All cows are pins
The statements establish that all pins are cows ($P \subseteq C$). However, this relationship does not imply the reverse – that all cows must be pins ($C \subseteq P$).
It is possible for the set of cows (C) to contain members that are not pins. The given statements do not provide information to exclude this possibility.
Therefore, the conclusion "All cows are pins" does not logically follow.
Result
Based on the analysis, only Conclusion (I) is logically valid.
Similar Questions
- 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 conclusion(s) logically follow(s) from the statement(s).
Statements:
All Hummingbirds are Storks.
Some Storks are Flamingos.
Conclusions:
I. Some Hummingbirds are Flamingos.
II. No Flamingos are Hummingbirds. - 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 fathers are brothers.
All brothers are sons.
Conclusions:
(I) All fathers are sons.
(II) All brothers are fathers. - 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 flats are villas.
No villa is an apartment.
Conclusions:
(I) No flat is an apartment.
(II) No apartment is a villa. 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.
- Two statements are given below. Decide which of the options logically follow from these statements.
Statement 1 All bags are toys.
Statement 2: Some toys are suitcases. - Read the given statements and conclusions carefully and decide which of the conclusions logically follow(s) from the statements.
Statements:
(i) All ships are boats.
(ii) All anchors are ships.
Conclusions:
I. All anchors are boats.
II. Some ships are anchors.
III. No anchor is boat.
IV. Some boats are anchors. - 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 conclusion(s) logically follow(s) from the statement(s).
Statements:
All Wolves are Rhinoceroses.
No Rhinoceroses are Kangaroos.
Conclusions:
I: No Kangaroos are Wolves.
II: Some Kangaroos are Wolves. - 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 doors are carpets.
No carpet is a mat.
Conclusions:
(I) No door is a mat.
(II) No mat is a carpet. - 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 conclusion(s) logically follow(s) from the statements.
Statements: All kiwis are bananas. All bananas are grapes.
Conclusions (I): All kiwis are grapes.
Conclusions (II): Some grapes are bananas. - 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 conclusion(s) logically follow(s) from the statements.
Statements:
Some lipsticks are tabs.
No tab is a kite.
Conclusions:
(I): Some lipsticks are kites.
(II): Some tabs are lipsticks.
Important Questions from Syllogism
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.
