A) if only conclusion I follows.
B) if only conclusion II follows.
C) if either conclusion I or II follows.
D) if neither conclusion I nor II follows.
E) if both conclusion I and II follow.
Correct Answer: E
Solution :
No door is a stair [E] \[\to \] conversion \[\to \] No stair is a door [E]. Hence conclusion II follows. Again, No door is a stair [E] + some stairs are chairs (I) = E + 1 = O* = some chairs are not doors (O*). Hence conclusion I follows.You need to login to perform this action.
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