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
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
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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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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