Statements:
1. All birds are animals.
2. All animals are mammals.
Conclusions:
I. All birds are mammals.
II. Some mammals are birds.
Which conclusion(s) logically follow?
Explanation:
Since all birds are animals and all animals are mammals, all birds fall within the mammal category. Therefore, conclusion I is true. If all birds are mammals, it implies that at least some mammals are birds. Thus, conclusion II is also true.
Statement: He is a strict vegetarian; he doesn't even eat eggs. Conclusions: I. He avoids all animal products. II. He will not eat a cake that contains egg.
Explanation:
The additional information 'doesn't even eat eggs' implies he is pure vegetarian, so I follows (eggs are animal product). II: if cake contains egg, he won't eat it. Both follow.
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