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Question

Given below are two premises, with four conclusions drawn from them (taking singly or together); which conclusions are validly drawn ? Select the correct answer from the codes given below :

Premises :
(i) All bats are mammals.
(ii) Birds are not bats.

Conclusions :
(a) Birds are not mammals.
(b) Bats are not birds.
(c) All mammals are bats.
(d) Some mammals are bats.

a.

(a), (b) and (d)

b.

(b) and (d)

c.

(a) and (c)

d.

(b), (c) and (d)

Answer: (b).(b) and (d)

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Q. Given below are two premises, with four conclusions drawn from them (taking singly or together); which conclusions are validly drawn ? Select the correct answer from the codes...

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