2. Given premises “Every smart phones uses Android or iOS.” “Smartphones that use Android can use the Play Store.” “My smartphone cannot use the Play Store.” Prove the conclusion “My smartphone uses iOS.” by rules of inference. You should first represent the premises and the conclusion using logical expressions.

2. Given premises “Every smart phones uses Android or iOS.” “Smartphones that use Android can use the Play Store.” “My smartphone cannot use the Play Store.” Prove the conclusion “My smartphone uses iOS.” by rules of inference. You should first represent the premises and the conclusion using logical expressions.

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

See similar textbooks

Similar questions

For each statement below, declare the propositions and then write the statements in symbolic logic. If you are using a quantifier make sure that you declare the domain as well. 1. Jose is a computer science student, but Jose is not a math student. 2. If Trinh goes to the store, then Trinh will buy ice cream. 3. There is an integer x, such that ??2 is even and x is less than zero. 4. Any number that can be written as a ratio of integers is a rational number. 5. The program is readable only if it is well structured.
Is the following sentence a proposition? If it is a proposition, determine whether it is true or false. “In the year 2000, Montreal was the capital of Quebec.”
Question
“Swimming at the New Jersey shore is allowed” and “Sharks have been sported near the shore” are p and q. Translate each complex proposition into English.
19
Which of the following is true of intimate distance in the United States? It is occurs only in private situations, not in public. Its meaning is influenced by other nonverbal communication, such as staring impersonally. It is the distance from about one-half feet to four feet. It has an instinctive symbolic meaning in all cultures.
Please explain
Alert: Don't submit AI generated answer and please submit a step by step solution and detail explanation for each steps.
Which of the following is NOT a need of formal logic? express propositions describe how new propositions can be inferred from other propositions that are assumed to be true. express the relationships between propositions describe how new relationships can be inferred from other relationships that are assumed to be true.
p.77, icon at Example 6 #2. Suppose that "it is snowing" is true and that "it is windy" is true. Using the conjunction rule, what conclusion can be drawn?
The following box-proof uses only the implication rules (e.g. no classical contradiction). 1: assumption 2: assumption 3: assumption 4: assumption 5: 6: 7: 8: 9: 10: 11: 12: (((A-B)-A)-A)-B)-B intro 1-11 Select one or more: The box-proof contains 4 boxes. - line 5 and line 11 contains the same propositional formula line 8 is justified by an application of the -elim rule The box proof contains 5 boxes and one of the hidden annotations is an assumption. line 8 is justified by an application of the -intro rule * line 6 and line 10 contains the same propositional formula * line 6: ((A B) A)- A - line 4: (A B) A
I just need an explanation with the solution.