Determine whether the following argument is valid or invalid. If it isinvalid, you must give an example of possibility in which the premisescould be true and the conclusion is false at the same time.Example: Maria owns an iphone 11.Rich people own iphone 11.Therefore, Maria must be rich.Explanation: Consider all the possibilities. The second premise, "Richpeople own iphone 11," does not exclude the possibility that somepeople who are not rich own iphone 11 (i.e., Maria could have a richuncle who bought the iphone 11 for her.) If this possibility is true,then both premises could be true, but the conclusion would be false.Any argument in which it is possible to have true premises and a falseconclusion at the same time is invalid. Therefore, the argument isinvalid.Please note (and this is very important!!): In showing how the argumentcould be invalid, we did not deny the truth of premise one or two. We do notshow an argument to be invalid by saying one of the premises is false.1. All good teachers come to class on time.Professor Simon always comes to class on time.Therefore, Professor Simon must be a good teacher.Explanation:

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Math

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1. All good teachers come to class on time. Professor Simon always comes to class on time. Therefore, Professor Simon must be a good teacher. Explanation:

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Concept explainers

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.

Topic Video

Question

Determine whether the following argument is valid or invalid. If it is
invalid, you must give an example of possibility in which the premises
could be true and the conclusion is false at the same time.
Example: Maria owns an iphone 11.
Rich people own iphone 11.
Therefore, Maria must be rich.
Explanation: Consider all the possibilities. The second premise, "Rich
people own iphone 11," does not exclude the possibility that some
people who are not rich own iphone 11 (i.e., Maria could have a rich
uncle who bought the iphone 11 for her.) If this possibility is true,
then both premises could be true, but the conclusion would be false.
Any argument in which it is possible to have true premises and a false
conclusion at the same time is invalid. Therefore, the argument is
invalid.
Please note (and this is very important!!): In showing how the argument
could be invalid, we did not deny the truth of premise one or two. We do not
show an argument to be invalid by saying one of the premises is false.
1. All good teachers come to class on time.
Professor Simon always comes to class on time.
Therefore, Professor Simon must be a good teacher.
Explanation:

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