Arrange the following group of terms in order of decreasing intension.

1.Mammal

2.Wildcat

3.Feline

4.Animal

5.Vertebrate

A2, 3, 1, 5, 4 ✓ Correct

B4, 5, 1, 3, 2

C3, 2, 5, 1, 4

D4, 1, 5, 2, 3

Correct answer: (A) 2, 3, 1, 5, 4

Explanation

From richest to poorest in attributes the order is Wildcat, Feline, Mammal, Vertebrate, Animal.

Intension is the set of defining attributes a term connotes.

Wildcat carries the most attributes, being a feline, mammal, vertebrate and animal besides.

Each following term drops attributes until animal, which connotes the fewest.

Decreasing intension therefore runs 2, 3, 1, 5, 4.

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