Reasoning - Logical Deduction - Discussion

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Q.

statements:
Some dreams are nights. Some nights are days.
Conclusions:
I.All days are either nights or dreams.
II.Some days are nights.
                        
A. Only conclusion I follows B. Only conclusion II follows
C. Either I or II follows D. Neither I nor II follows

Answer: Option B
Explaination:

 


Since both the premises are particular, no definite conclusion follows. However, II is the converse of the second premise and thus it holds.




Discussion

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