Verbal Reasoning - Syllogism - Discussion

Discussion Forum : Syllogism - Syllogism 2 (Q.No. 2)
Directions to Solve
In each of the following questions two statements are given. Which are followed by four conclusions (1), (2), (3) and (4). Choose the conclusions which logically follow from the given statements.

2.

Statements: All green are blue. All blue are white.

Conclusions:

  1. Some blue are green.
  2. Some white are green.
  3. Some green are not white.
  4. All white are blue.

Only (1) and (2)
Only (1) and (3)
Only (1) and (4)
Only (2) and (4)
Answer: Option
Explanation:
Discussion:
25 comments Page 1 of 3.

Jyoti Singla said:   5 years ago
Option 1 must be correct According to conversion rule A change into I from statement 1 its not necessary to combine or merge them.

Option 2according to rule A+A=A this option is wrong SOME can not be here and green is distributed in 1st statement and in SOME or particular affirmative both subject and Predicate are undistributed.

Option 3 conclusion can never be negative when statements are positive so this option is also wrong.

Option 4 WRONG distribution fallacy.

So, Only option 1 is correct.
(1)

Kajol dixit said:   4 years ago
Obviously 1st conclusion is correct because some blue being is green cause of all green are blue and 2nd conclusion is correct because all blue is white and all green is blue so it make me connection between white and green.

3rd conclusion there is no direct connection Between green to white and Possibility not given that's why it's incorrect. Conclusion 4th we can't say the free space of white what is that so all white being are not blue.
(2)

Riddle42 said:   9 years ago
The correct answer is (a) obviously (b) could never be right. According to the first statement "all green are blue, " green could never be any other colour besides blue. So, when the 3rd conclusion says that some green isn't white. It basically says that some other green are, or could be white. That is impossible, because "all green are blue.

I hope this was helpful for you.

Vik said:   1 decade ago
Well, (1) is obviously correct (4) is obviously not. But I could not decide whether I should pick 2 or 3. In accordance with venn diagram - both seemed to be correct.(white could either "touch" green and, thus, blue) or touch only blue - maybe I did something wrong) initially I thought
so I had to make AAI-4 scheme which showed that (2) was a right option.

Mamatha said:   6 years ago
Option A:1&2 is correct. Why because some blue are green, some white also green.

3rd option is wrong because in the given statement "not" is not mentioned anywhere that's why absolutely that is the wrong & 4th option has not converted that Statement.
(1)

Pranjali said:   1 decade ago
The option no 1 & 3 is the answer.

Comparing sentence 1 & 2 - All green are white.

After the conversion of both sentences (1 & 2) its become.

1. Some blue are green.
2. Some white are blue.

Vignes said:   6 years ago
Yes, the answer is correct because we need to convert the conversion statement.

All statement will convert into some white are green.

Sreevani said:   7 years ago
Conclusion 3 is wrong because some green are white is currect but in conclusion some green are not white is given.
(1)

M.saiadithya said:   1 decade ago
Precisely, the middle term is distributed more than once so how can this be correct ?

Keerthy said:   1 decade ago
But how can the 1st option b correct. Middle term is appearing in the conclusion.


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