InferenceUse the example in the picture to solve this. Given the premises:If the steak is well done, it’s overcooked.If the steak is overcooked, the fire alarm will go off.Either the batteries have been changed or the fire alarm will not go off.The batteries have only been changed if the ladder is in the room.The ladder is not in the room.Conclude that the steak is not well done.These premises don’t make sense in the real world. Why?How can you change the premises so that they make sense in the real world? (They don’t have to end up perfectly correct, but they need to avoid the obvious problems you uncover in part B.)Show step by step how to solve this. Thank you in advanced! Breaking down into symbolic notation:p: fish can flyq: birds can swimr: squirrels can talks: capybaras can writeThen we have premises:1. p q2.qr3. (q^r) → s4. PP: (1) q7Premise 4Premise 1, modus ponensPremise 2, modus ponensq^r (1), conjunctionmodus ponensS

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Answered: Inference Use the example in the…

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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Inference

Use the example in the picture to solve this.

1. Given the premises:
  1. If the steak is well done, it’s overcooked.
  2. If the steak is overcooked, the fire alarm will go off.
  3. Either the batteries have been changed or the fire alarm will not go off.
  4. The batteries have only been changed if the ladder is in the room.
  5. The ladder is not in the room.

Conclude that the steak is not well done.

These premises don’t make sense in the real world. Why?
How can you change the premises so that they make sense in the real world? (They don’t have to end up perfectly correct, but they need to avoid the obvious problems you uncover in part B.)

Show step by step how to solve this. Thank you in advanced!

Breaking down into symbolic notation:
p: fish can fly
q: birds can swim
r: squirrels can talk
s: capybaras can write
Then we have premises:
1. p q
2.
qr
3. (q^r) → s
4. P
P
: (1) q
7
Premise 4
Premise 1, modus ponens
Premise 2, modus ponens
q^r (1), conjunction
modus ponens
S

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