how does a person reason deductively? course hero

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What is deductive reasoning?

How does a person reason deductively o by trying to. School University of Phoenix; Course Title PHL 320; Type. Test Prep. Uploaded By Monkey_gurl. Pages 11 Ratings 90% (203) 182 out of 203 people found this document helpful; This preview shows page 7 - 11 out of 11 pages. ...

What is the probability of the conclusion of a deductive argument?

Feb 22, 2016 · How does a person reason deductively? o By trying to demonstrate a premise o By trying to prove a conclusion o By trying to support a conclusion o By trying to negate a finding. 21. ... Course Hero, Inc. Course Hero is not sponsored or endorsed by any college or university. ...

How do you evaluate a direct deductive argument?

Apr 19, 2016 · 21 When does the straw man fallacy occur? When a person considers only two alternatives even when other options are available When a critic falsifies or overstates an adversary's position When a decision maker dismisses an alternative that fails to solve the issue completely When a person tries to disprove a claim based on its source

Which method of reasoning produces logically certain conclusions?

(b) How do people reason deductively? 1. Introduction to deduction – What it is, types of deductive problems 2. Phenomena of deductive reasoning – Syllogistic reasoning: difficulty, validity, content, atmosphere, figural, conversion – Wason selection task: difficulty, content 3.

How to Reason Deductively from a Set of Statements

'Elementary my dear Watson!' Sherlock Holmes would proclaim after solving another mystery. Holmes would then proceed to explain how he had figured out through logic the way the crime had been committed. This process of working out what must be true from the facts of a case is deductive reasoning.

Deductive Process

If you are given a set of facts about a case like Sherlock Holmes, deduction is the process where you examine the relationships of those facts and figure out what else must be true. Deduction occurs when we apply the law of non-contradiction to problems of categories, if/then claims, or the application of rules.

Methods for Approaching Deductive Problems

Well, now that we know you should not poke Socrates, and that bears are mortal, we now should discuss how you can use these skills in life and what methods you can use to solve deductive problems.

What is deductive reasoning?

Deductive reasoning, also deductive logic, is the process of reasoning from one or more statements (premises) to reach a logical conclusion. Deductive reasoning goes in the same direction as that of the conditionals, ...

Is a conclusion true if the premises are true?

In other words, the conclusion must be true if the premises are true. An argument can be “valid” even if one or more of its premises are false. An argument is “ sound ” if it is valid and the premises are true. It is possible to have a deductive argument that is logically valid but is not sound.

What is the conclusion of inductive reasoning?

In inductive reasoning, the conclusion is reached by generalizing or extrapolating from specific cases to general rules resulting in a conclusion that has epistemic uncertainty. The inductive reasoning is not the same as induction used in mathematical proofs – mathematical induction is actually a form of deductive reasoning.

What is the modus ponens?

Modus ponens (also known as "affirming the antecedent" or "the law of detachment") is the primary deductive rule of inference. It applies to arguments that have as first premise a conditional statement (. ) of the conditional statement. It obtains the consequent (. ) of the conditional statement as its conclusion.

What is the law of contrapositive?

Modus tollens (also known as "the law of contrapositive") is a deductive rule of inference. It validates an argument that has as premises a conditional statement (formula) and the negation of the consequent (. ).

What is the first premise of the second premise?

The first premise states that all objects classified as "men" have the attribute "mortal.". The second premise states that "Socrates" is classified as a "man" – a member of the set "men.". The conclusion then states that "Socrates" must be "mortal" because he inherits this attribute from his classification as a "man.".

How does the law of syllogism form a conclusion?

In term logic the law of syllogism takes two conditional statements and forms a conclusion by combining the hypothesis of one statement with the conclusion of another. Here is the general form:

What is the best way to convince someone to do something?

Reasoning is a good way to convince someone to do something. There are two basic kinds of reasoning deductive and inductive. In this lesson we're going to look at deductive reasoning and how it can help you win an argument and be a better scientist. Updated: 11/09/2020. Create an account.

Is Naomi's science Olympiad on Wednesday?

Naomi has a Science Olympiad meeting on either Wednesday or Fri day. She just found out that the meeting is not on Wednesday, so the meeting must be on Friday. If both things are true, there is no way that the meeting could be on another day. We are certain, so this is deductive reasoning.

What are some examples of deductive reasoning?

Let's take this example: 1. All Mammals are warm-blooded. They drink their mother's milk, they have fur, and they have a backbone. 2. People are warm-blooded. They drink their mother's milk, they have fur, and they have a backbone.

Can turtles be people?

All turtles are not people. Turtles are reptiles and they are not warm-blooded so they cannot be people. We have to make sure that the arguments we present are true in order to have a true and certain conclusion. Lesson Summary. Deductive reasoning means we can draw a conclusion based on at least two true premises, or statements.