Introduction to Logic

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Questions and Answers

_____ is about clear and effective thinking.

Logic

Logic is a _____ and an _____.

science, art

Our question emphasizing _____ and , this course explores the question '' through the arguments and reasons underlying the philosophy of chiropractic.

logic, epistemology, how do we know

_____ is the study of knowledge (what counts as knowledge, how we might acquire knowledge).

<p>Epistemology</p> Signup and view all the answers

Epistemology is the study of _____.

<p>knowledge</p> Signup and view all the answers

Epistemologists concern themselves with two main categories: 1. The _____ of knowledge (what it means to know something), and 2. The _____ of human knowledge (how much we can know and how we acquire it).

<p>nature, extent</p> Signup and view all the answers

Logic and _____ are inseparable.

<p>language</p> Signup and view all the answers

The phrase 'to _____' reminds us that attention demands an active, energetic response.

<p>pay attention</p> Signup and view all the answers

_____ causes us to make careless judgments about facts right before our eyes.

<p>Familiarity</p> Signup and view all the answers

Having a healthy respect for the firm factualness of the world is important because logic is about _____.

<p>reality</p> Signup and view all the answers

Being logical presupposes a _____ of how ideas relate to objective facts, because logic is about _____.

<p>lively awareness, truth</p> Signup and view all the answers

A fact is something _____ or _____. It has clear objective status.

<p>made, done</p> Signup and view all the answers

Objective facts can be categorized as: 1. _____, which are actually existing entities (animal, vegetable, or mineral), and 2. _____, such as the assassination of Abraham Lincoln.

<p>Things, events</p> Signup and view all the answers

Regarding objective facts, things are considered more _____ than events because events are made up of things or their actions.

<p>basic</p> Signup and view all the answers

To determine the reality of a fact that is a _____, you can _____ its location and observe it directly. This concept relates to _____.

<p>thing, pay a visit, naive realism</p> Signup and view all the answers

Facts can be thought of as _____ and _____.

<p>objective, subjective</p> Signup and view all the answers

Things and events are _____ facts.

<p>objective</p> Signup and view all the answers

A _____ fact is one that is limited to the person experiencing it, such as a headache.

<p>subjective</p> Signup and view all the answers

Establishing the reality of subjective facts depends entirely on the _____ of those who claim to be experiencing them.

<p>trustworthiness</p> Signup and view all the answers

If a given fact is an actually existing thing to which we have _____, the surest way to establish its factualness is to put ourselves in its _____.

<p>access, presence</p> Signup and view all the answers

A subjective fact, to the person experiencing it, is _____ under normal circumstances. However, mechanisms like _____ or _____ can cause someone to misinterpret even their own subjective facts.

<p>self evident, self delusion, rationalization</p> Signup and view all the answers

Every idea in the mind is ultimately traceable to a _____ or _____ actually existing in a world that is _____ of and apart from the mind.

<p>thing, things, independent</p> Signup and view all the answers

An idea is the subjective _____ of an objective _____.

<p>evocation, fact</p> Signup and view all the answers

_____ are ideas that faithfully reflect the objective order from which they derive.

<p>Clear ideas</p> Signup and view all the answers

_____ are those that give us a distorted representation of the objective world.

<p>Unclear ideas</p> Signup and view all the answers

To ensure our ideas are clear, we must vigilantly attend to the relationship between any given _____ and its _____.

<p>idea, object</p> Signup and view all the answers

It is _____ to suppose that because we know things in the world only through our ideas, it is only our ideas which we _____.

<p>wrong, really know</p> Signup and view all the answers

Conception is possible in the thinking subject only because of the _____ with the world.

<p>subjects encounter</p> Signup and view all the answers

Our ideas and understanding are clear only to the extent that we keep _____ on the things to which they refer.

<p>constant tabs</p> Signup and view all the answers

The more we focus on our ideas while ignoring their objective origins, the more _____ those ideas become.

<p>unreliable</p> Signup and view all the answers

When we speak of _____, we mean ascertaining that there is a corresponding _____ to our mind for a particular idea.

<p>establishing a fact, reality external</p> Signup and view all the answers

The three basic components of human knowledge are: 1. An _____ (e.g., a cat), 2. The _____ of the cat, and 3. The _____ we apply to the idea.

<p>objective fact, idea, word</p> Signup and view all the answers

Bad ideas are discussed in the context of _____ and _____ ideas.

<p>simple, complex</p> Signup and view all the answers

We call _____ ideas those for which there is no _____ one-to-one correspondence between the idea and a thing (e.g., democracy).

<p>complex, simple</p> Signup and view all the answers

An idea is _____ or _____ to the degree that it is distanced and unmindful of its _____ in the objective world.

<p>unclear, unsound, originating source</p> Signup and view all the answers

No idea, even the most bizarre, can completely sever its ties with the _____.

<p>objective world</p> Signup and view all the answers

Bad ideas can be informative, not about the objective world, but about the _____ of the persons who nourish those ideas.

<p>subjective state</p> Signup and view all the answers

Ideas themselves are not directly _____ from one mind to another; they must be fitted to _____ for faithful communication.

<p>communicable, words</p> Signup and view all the answers

How do we ensure that our _____ are adequate to the _____ they seek to convey? By going back to the sources of the ideas.

<p>words, ideas</p> Signup and view all the answers

Often we cannot find the right word for an idea because we don't have a _____ on the idea itself.

<p>firm grasp</p> Signup and view all the answers

_____ and _____ are inextricably bound up with each other, which becomes clear when recalling the relationship between the _____ and the _____.

<p>Language, logic, idea, word</p> Signup and view all the answers

Matching words to ideas is the first and most basic step in _____.

<p>communication</p> Signup and view all the answers

While words are building blocks, logic starts with the _____, as this is the level where truth or falsity is introduced.

<p>statement</p> Signup and view all the answers

Logic is about establishing what is _____ and distinguishing it from what is _____.

<p>true, false</p> Signup and view all the answers

Don't assume your audience understands your meaning if you don't make it _____.

<p>explicit</p> Signup and view all the answers

When communicating logically, strive to speak in _____.

<p>complete sentences</p> Signup and view all the answers

Don't treat _____ as if they were statements of objective fact.

<p>evaluative statements</p> Signup and view all the answers

For clarity in logical communication, avoid _____.

<p>double negatives</p> Signup and view all the answers

For effective communication, gear your language toward your _____.

<p>audience</p> Signup and view all the answers

The word _____ (from Latin 'vagus' meaning wandering) refers to blurred reference, while the word _____ (from Latin 'ambigere' meaning to wander about) refers to multiple meanings.

<p>vague, ambiguous</p> Signup and view all the answers

A word is _____ if its reference is blurred.

<p>vague</p> Signup and view all the answers

As a rule, the more _____ the word, the vaguer it is.

<p>general</p> Signup and view all the answers

An _____ (also called 'equivocal') is a term with more than one meaning where the context doesn't clarify the intended meaning.

<p>ambiguous term</p> Signup and view all the answers

Strive to be so straightforward in language that it is _____ for any reasonably _____ audience to miss the meaning.

<p>impossible, attentive</p> Signup and view all the answers

While _____ have a place in language, be careful they don't become a way of evading the real issue.

<p>euphemism</p> Signup and view all the answers

_____ occurs when the same word is used with different meanings in different instances.

<p>Equivocation</p> Signup and view all the answers

_____ occurs when a phrase or sentence is grammatically ambiguous, leading to potential misinterpretation.

<p>Amphiboly</p> Signup and view all the answers

The problem with _____ language is twofold.

<p>evasive</p> Signup and view all the answers

One problem with evasive language is that it can _____ an audience.

<p>deceive</p> Signup and view all the answers

A second problem with evasive language is its potential to distort the user's _____.

<p>sense of reality</p> Signup and view all the answers

The whole purpose of reasoning and logic is to arrive at the _____ of things.

<p>truth</p> Signup and view all the answers

Truth has two basic forms: _____ truth and _____ truth.

<p>ontological, logical</p> Signup and view all the answers

Of the two basic forms of truth, _____ truth, referring to the truth of being or existence, is considered more basic.

<p>ontological</p> Signup and view all the answers

Something is considered ontologically true if it _____, meaning it has real being.

<p>actually exists</p> Signup and view all the answers

_____ truth is the form of truth concerning the truth of _____, manifested in thinking and language.

<p>Logical, statements</p> Signup and view all the answers

To affirm a statement is to declare it _____; to deny it is to brand it _____.

<p>true, false</p> Signup and view all the answers

A statement is _____ if what it says reflects what is the case.

<p>true</p> Signup and view all the answers

A true statement declares a correspondence between ideas in the mind () and real states of affairs in the world ().

<p>subjective facts, objective facts</p> Signup and view all the answers

Establishing truth involves determining if what one believes or suspects to be true has a _____.

<p>basis in fact</p> Signup and view all the answers

When establishing truth, the focus of attention must be on the _____ of things.

<p>objective order</p> Signup and view all the answers

What determines the truth or falsity of a statement is what _____ in the real world.

<p>actually exists</p> Signup and view all the answers

The understanding that logical truth is a matter of correspondence between the content of a statement and objective facts is called the _____.

<p>correspondence theory of truth</p> Signup and view all the answers

Subordinate to the correspondence theory, the _____ maintains that a statement is true if it coherently fits into an established system of thought.

<p>coherence theory of truth</p> Signup and view all the answers

An example of applying the coherence theory of truth might involve concluding a statement about the physical world is true because it aligns with the _____.

<p>special theory of relativity</p> Signup and view all the answers

Flashcards

Logic

Clear and effective thinking.

Logic: Science & Art

Logic is both a science and an art.

Course Question

Explores how we know through the arguments and reasons underlying chiropractic philosophy, emphasizing logic and epistemology.

Epistemology

The study of knowledge, including its nature and how we acquire it.

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Epistemology Definition

Epistemology is the study of knowledge.

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Epistemology Tasks

Epistemologists study the nature of knowledge (what it means to know) and the extent of human knowledge (how much we can know).

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Logic & Language

Logic and language are inseparable.

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Pay Attention

Attention requires an active, energetic response to every situation, person, place, and thing.

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Familiarity

Familiarity can cause careless judgments about facts.

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Logic and Reality

Logic is about reality.

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Logic & Awareness

Being logical presupposes a lively awareness of how ideas relate to facts in the world; logic is about truth.

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Fact

A fact is something made or done, having clear objective status and demanding recognition.

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Objective Facts

Objective facts include things (existing entities) and events (like the assassination of Abraham Lincoln).

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Basic Fact Type

Things are more basic as facts because events are made up of things or the actions of things.

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Reality Check

Determine reality by observing if it exists; this is naive realism.

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Fact Types

Facts can be objective (things and events) or subjective (limited to personal experience).

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Objective Facts

Things and events are objective facts.

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Subjective Fact

A subjective fact is limited to the person experiencing it (e.g., a headache).

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Subjective Reality

Establishing subjective facts relies on the trustworthiness of those experiencing them.

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Getting Facts Straight

Establish factualness by having access to and presence with an actually existing thing.

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Self-Evident Truths

A subjective fact is self-evident, but self-delusion or rationalization can distort even personal facts.

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Idea Origins

Every idea traces back to a thing or things existing independently of the mind.

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Idea Evocation

An idea is the subjective evocation of an objective fact.

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Clear Ideas

Clear ideas faithfully reflect the objective order from which they derive.

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Unclear Ideas

Unclear ideas give a distorted representation of the objective world.

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Idea Clarity

Ensure idea clarity by vigilantly attending to the relationship between the idea and its object.

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Knowing Reality

It is wrong to assume we only really 'know' our ideas, not the things they represent.

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The Encounter

Conception is possible because subjects encounter the world.

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Constant Tabs

Keep constant tabs on the things to which the ideas refer.

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Objective Origins

The more focus on ideas while ignoring objective origins, the more unreliable the ideas.

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Establishing a Fact

Establishing a fact means ascertaining an external reality corresponds to an idea in mind.

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Human Knowledge Components

Objective fact, idea, and word

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Types of Ideas

Simple and complex ideas

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Complex Ideas

Complex ideas lack a simple, one-to-one correspondence between the idea and the thing.

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Bad Ideas

An idea is unclear or unsound if distanced from its originating source in the objective world.

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Tie in Reality

Objective world.

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Bad Ideas Tell

Subjective state

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Communicating Ideas

Ideas aren't directly communicable; they need careful wording to convey them faithfully.

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Source of Ideas

Relate to an idea.

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Right Word

A firm grasp

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Clearity

Language and logic are connected and are clear.

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Meaning

Communication

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Build to Language

Statement

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About Logic

True, false

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Assume the Audience

Explicit

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Speaking

Complete sentences

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Objective Fact

Evaluative statements

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Avoid

Double negatives

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Language

Audience

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Words

Vague comes from what?

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Reference

Vague and blurred reference.

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More vague

General

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Equivocal

Ambiguous Term

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The Audience

Impossible, attentive.

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Meaning

Euphemism

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Word Usage

Equivocation

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Ambiguous

Amphiboly

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Problems

Evasive

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Evasive

Audience

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Evasive Effect

Sense of reality

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Reasonsing

Truth

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Truth

Ontological, Logical

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Basic

Ontological Truth

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Being, Truth

It actually, exists

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Statements

Logical truth.

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Statement

True, false

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What a Case Says

True

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Declaration of Truth

Subjective facts, objective facts

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Establishing Situation

Basis in fact.

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Focus Attention

Objective Order.

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Determin the World

Actually exists.

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Statements

Correspondence.

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Fits theory

Coherence

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World Conosnant

Nature of the physical.

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Study Notes

Logic

  • Logic is about clear and effective thinking.
  • It is both a science and an art.
  • It helps in exploring how we know things, emphasizing epistemology and the arguments behind chiropractic philosophy.

Epistemology

  • Epistemology is the study of knowledge, including what counts as knowledge and how we acquire it.
  • It focuses on:
    • The nature of knowledge, defining what it means to know something.
    • The extent of human knowledge, exploring how much we can know and how to acquire knowledge through reason, senses, and testimony.

Logic and Language

  • Logic and language are inseparable.

Attention

  • Paying attention requires an active and energetic response to situations, people, places, and things.

Familiarity

  • Familiarity can lead to careless judgments.

Reality

  • Logic involves a healthy respect for the factualness of the world.

Logical Thinking

  • Being logical requires a lively awareness of how ideas relate to the objective world.

Facts

  • A fact is something made or done, possessing a clear objective status and demanding recognition.
  • Objective facts include:
    • Things: Actually existing entities (animal, vegetable, or mineral).
    • Events: Occurrences (e.g., the assassination of Abraham Lincoln).
  • Things are more basic because events are made up of things or their actions.

Determining Reality

  • To determine if a thing is a fact, one must pay a visit and verify its existence through direct observation, aligning with naive realism.
  • Facts can be objective (things and events) or subjective.

Subjective Facts

  • Subjective facts are limited to the person experiencing them (e.g., a headache).
  • Establishing the reality of subjective facts depends on the trustworthiness of those reporting them.

Access and Presence

  • To verify a fact, especially an existing thing, one needs access and presence.

Self-Evident Truth

  • Subjective facts are self-evident to the subject under normal circumstances.
  • However, self-delusion or rationalization can distort a person's understanding of their own experiences.

Ideas

  • Every idea is traceable to a thing or things existing independently of the mind.
  • An idea is the subjective evocation of an objective fact.
  • Clear ideas faithfully reflect the objective order, while unclear ideas distort it.
  • To ensure clarity, one must vigilantly attend to the relationship between an idea and its object.
  • Conception is possible only through subjects' encounter with the world.

Objective Origins

  • Ideas become unreliable when their objective origins are ignored.
  • Establishing a fact involves ascertaining a corresponding reality external to the mind for a particular idea.

Knowledge

  • Human knowledge has three components:
    • An objective fact (e.g., a cat).
    • The idea of that fact.
    • A word applied to the idea.

Bad Ideas

  • Bad ideas stem from simple and complex ideas.
  • Complex ideas lack a one-to-one correspondence between the idea and the thing (e.g., democracy).
  • Ideas are unclear or unsound when distanced from their originating source in the objective world.

Connection to Reality

  • Even bizarre ideas maintain some connection to the objective world.
  • Bad ideas reveal the subjective state of those who hold them, rather than the objective world.

Communication of Ideas

  • Ideas are not directly communicable; they must be carefully fitted to words for faithful communication.

Ensuring Accurate Communication

  • Ensuring words adequately convey ideas requires returning to the ideas' sources.

Grasping Ideas

  • Difficulty in finding the right word for an idea often indicates a lack of firm grasp on the idea itself.
  • Language and logic are bound by the relationship between idea and word.

Matching Words to Ideas

  • Matching words to ideas is the first step in communication.
  • The next step is forming coherent statements.

Statements

  • Logic starts with statements because truth or falsity is introduced at this level.

Truths

  • Logic establishes what is true and distinguishes it from what is false.
  • Explicit communication prevents audience misunderstanding.
  • Complete sentences should be spoken.
  • Evaluative statements should not be trusted as objective facts.
  • The use of double negatives should be avoided.
  • Language should be geared toward the audience.

Vague Language

  • Vague language blurs reference
  • Generally, more general words are vaguer.

Ambiguous Terms

  • Ambiguous terms have multiple meanings without clear context.

Straightforward Language

  • Language should be so straightforward that it would be impossible for any attentive audience to misunderstand.

Euphemisms

  • Euphemisms should be used carefully to avoid evading issues.
  • Equivocation is the use of the same word in different instances.
  • Amphiboly occurs when a phrase or sentence is grammatically ambiguous.

Evasive Language

  • Evasive language, which avoids stating directly what is meant, can deceive an audience and distort the speaker's sense of reality.

Reasoning and Logic

  • The purpose of reasoning and logic is to arrive at the truth.
  • Truth has two forms: ontological and logical.

Ontological Truth

  • Ontological truth, the truth of being or existence, is more basic.
  • Something ontologically true actually exists.

Logical Truth

  • Logical truth is the truth of statements, manifesting in thinking and language.
  • Affirming a statement declares it true; denying it brands it as false.
  • A true statement reflects what is the case.

True Statements

  • True statements declare a correspondence between subjective facts in the mind and objective facts in the world.
  • Establishing truth involves determining if what is believed to be true has a basis in fact.

Objective Order

  • Attention must be focused on the objective order of things.
  • Truth or falsity is determined by what actually exists in the real world; logical truth is founded on ontological truth.

Correspondence Theory of Truth

  • Logical truth corresponds between a statement and objective facts.

Coherence Theory of Truth

  • A subordinate theory that maintains that a statement is true if it coheres with an established theory or system of thought, like concluding that a statement about the nature of the physical world is true because it is consonant with the special theory of relativity.

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