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snigdha

· started a discussion

· 1 Months ago

all+no and some+no both make a complementary pair. Nowhere it is given that all+no does not make complementary pair.

Question:
DIRECTIONS: In each of the questions below are given three statements followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.


Statements: 

I. Some leaves are roots . 

II. Some roots  are flowers. 

III. Some flowers are lakes.


Conclusions:

I. All lakes are roots . 

II. Some flowers are leaves. 

III. No lakes are roots.

Options:
A) Only I follows
B) Only II follows
C) Only III follows
D) Either I or III follows
E) None Follows
Solution:

Ans: (e) According to the statement, Venn-diagram is.


 

Conclusions:
I. All lakes are roots . (False)
II. Some flowers are leaves.(False)
III. No lakes are roots.(False)

Either I or III follows
So, None follows.

kanhaiya jha

· commented

· 1 Months ago

Only in case of some+No, either or appears

kanhaiya jha

· commented

· 1 Months ago

It shows that you have not read the books of syllogism.......Even you can not prove it practically...

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