Exercise 1.1.2: Expressing English sentences using logical notation. infoAbout Express each English statement using logical operations ∨, ∧, ¬ and the propositional variables t, n, and m defined below. The use of the word "or" means inclusive or. t: The patient took the medication. n: The patient had nausea. m: The patient had migraines. (a) The patient had nausea and migraines. (b) The patient took the medication, but still had migraines. (c) The patient had nausea or migraines. (d) The patient did not have migraines. (e) Despite the fact that the patient took the medication, the patient had nausea. (f) There is no way that the patient took the medication.

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
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Exercise 1.1.2: Expressing English sentences using logical notation.

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Express each English statement using logical operations ∨, ∧, ¬ and the propositional variables t, n, and m defined below. The use of the word "or" means inclusive or.

  • t: The patient took the medication.
  • n: The patient had nausea.
  • m: The patient had migraines.

(a)

The patient had nausea and migraines.

(b)

The patient took the medication, but still had migraines.

(c)

The patient had nausea or migraines.

(d)

The patient did not have migraines.

(e)

Despite the fact that the patient took the medication, the patient had nausea.

(f)

There is no way that the patient took the medication.

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