Reasoning - Logical Deduction - Discussion

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Q.

statements:
Some desks are caps. No cap is red.
Conclusions:
I.Some caps are desks.
II.No desk is red.
                        
A. Only conclusion I follows B. Only conclusion II follows
C. Either I or II follows D. Neither I nor II follows

Answer: Option A
Explaination:

 


Since one premise is particular and the other premise is negative, the conclusion must be particular negative and should not contain the middle term. So, it follows that 'Some desks are not red'. However, I is the converse of the first premise and thus it holds.




Discussion

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