sing the predicate symbols shown and appropriate quantifiers, write each English language statement as a predicate wff. (The domain is the whole world.) D(x): x is a day S(x): x is sunny R(x): x is rainy M: Monday T: Tuesday 1. All animals are dogs.  2.Some animals are not cats. 3.Every animal that is a dog is not a cat. 4.Some animals are dogs and cat

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Using the predicate symbols shown and appropriate quantifiers, write each English language statement as a predicate wff. (The domain is the whole world.)

  • D(x): x is a day
  • S(x): x is sunny
  • R(x): x is rainy
  • M: Monday
  • T: Tuesday

1. All animals are dogs. 

2.Some animals are not cats.

3.Every animal that is a dog is not a cat.

4.Some animals are dogs and cats.

5.No animal is both a dog and a cat.

6. An animal is always a dog only if it is a cat.

7.No animals are dogs.

8.Meg is a cat; all animals are cats.

9.Meg and Alex are both cats.

10.If one animal is a cat, then every animal will be a cat. 

 

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