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Postulate vs. Posit: What's the Difference?

By Aimie Carlson & Janet White || Updated on May 23, 2024
Postulate is a fundamental assumption accepted without proof, often used in math and science, while posit means to assume or suggest something as a fact, typically in arguments or discussions.

Key Differences

Postulate is a term primarily used in mathematics and science, referring to a statement assumed to be true without proof as a basis for reasoning. For example, Euclid’s postulates form the foundation of geometry. Posit, on the other hand, is more broadly used in philosophy and discussions, meaning to assume or suggest a fact or principle, often as a basis for argument. While a postulate is an accepted starting point within a system, a posit can be a proposed idea meant to be explored or debated.
In scientific contexts, a postulate is essential as it forms the basis for developing theories and conducting experiments. These are taken to be self-evident and are not questioned within the system they support. Conversely, posit is used when introducing a hypothesis or assumption in discussions and is subject to examination and argument.
Postulates serve as foundational truths that underpin logical structures within specific fields. They are generally accepted by consensus within the scientific community. Whereas, posits are used to introduce new ideas or perspectives in various discussions, requiring validation through debate and evidence.
Postulates are rarely modified once established, as they form the bedrock of theoretical frameworks. They are fundamental to maintaining consistency within a discipline. Posits, however, can be flexible and often evolve as discussions and evidence progress, reflecting the dynamic nature of intellectual exploration.

Comparison Chart

Definition

A fundamental assumption accepted without proof
To assume or suggest a fact or principle
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Usage

Mathematics, science
Philosophy, discussions

Basis

Foundation of theories
Starting point for arguments

Acceptance

Generally accepted
Requires validation

Flexibility

Rarely modified
Flexible and evolving

Postulate and Posit Definitions

Postulate

An assumed fact used for reasoning.
Scientists often work with postulates in theoretical research.
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Posit

To assume or suggest as a fact or principle.
The researcher posited a new theory on climate change.

Postulate

A basic principle underlying a theory or system.
The theory postulates the existence of dark matter.

Posit

To assert or put forward as a basis of argument.
He posited that humans are inherently social beings.

Postulate

A proposition accepted as true for the sake of argument.
We can postulate that all swans are white for this experiment.

Posit

To put in place or position.
The philosopher posited the existence of a higher power.

Postulate

To assume or assert the truth, reality, or necessity of, especially as a basis of an argument
"We can see individuals, but we can't see providence.
We have to postulate it" (Aldous Huxley).

Posit

To propose an idea or hypothesis.
She posited that social media affects mental health.

Postulate

To propose as a hypothesis or explanation
Researchers now postulate that the disease is caused by a virus.

Posit

To affirm the existence of.
They posit the necessity of economic reform.

Postulate

To assume as a premise or axiom; take for granted.

Posit

To assume or put forward, as for consideration or the basis of argument
"If a book is hard going, it ought to be good. If it posits a complex moral situation, it ought to be even better" (Anthony Burgess).

Postulate

(Archaic) To make claim for; demand.

Posit

To place firmly in position.

Postulate

Something assumed without proof as being self-evident or generally accepted, especially when used as a basis for an argument
"the postulate that there is little moral difference between the superpowers" (Henry A. Kissinger).

Posit

Something that is posited; a postulate.

Postulate

A fundamental element; a basic principle.

Posit

(aviation) position

Postulate

(Mathematics) An axiom.

Posit

Assume the existence of; to postulate.

Postulate

(Archaic) A requirement; a prerequisite.

Posit

Propose for consideration or study; to suggest.

Postulate

Something assumed without proof as being self-evident or generally accepted, especially when used as a basis for an argument. Sometimes distinguished from axioms as being relevant to a particular science or context, rather than universally true, and following from other axioms rather than being an absolute assumption.

Posit

Put (something somewhere) firmly; to place or position.

Postulate

A fundamental element; a basic principle.

Posit

To dispose or set firmly or fixedly; to place or dispose in relation to other objects.

Postulate

(logic) An axiom.

Posit

To assume as real or conceded; as, to posit a principle.

Postulate

A requirement; a prerequisite.

Posit

(logic) a proposition that is accepted as true in order to provide a basis for logical reasoning

Postulate

Postulated.

Posit

Put (something somewhere) firmly;
She posited her hand on his shoulder
Deposit the suitcase on the bench
Fix your eyes on this spot

Postulate

To assume as a truthful or accurate premise or axiom, especially as a basis of an argument.

Posit

Put before;
I submit to you that the accused is guilty

Postulate

To appoint or request one's appointment to an ecclesiastical office.

Posit

Take as a given; assume as a postulate or axiom;
He posited three basic laws of nature

Postulate

To request, demand or claim for oneself.

Postulate

Something demanded or asserted; especially, a position or supposition assumed without proof, or one which is considered as self-evident; a truth to which assent may be demanded or challenged, without argument or evidence.

Postulate

The enunciation of a self-evident problem, in distinction from an axiom, which is the enunciation of a self-evident theorem.
The distinction between a postulate and an axiom lies in this, - that the latter is admitted to be self-evident, while the former may be agreed upon between two reasoners, and admitted by both, but not as proposition which it would be impossible to deny.

Postulate

Postulated.

Postulate

To beg, or assume without proof; as, to postulate conclusions.

Postulate

To take without express consent; to assume.
The Byzantine emperors appear to have . . . postulated a sort of paramount supremacy over this nation.

Postulate

To invite earnestly; to solicit.

Postulate

(logic) a proposition that is accepted as true in order to provide a basis for logical reasoning

Postulate

Maintain or assert;
He contended that Communism had no future

Postulate

Take as a given; assume as a postulate or axiom;
He posited three basic laws of nature

Postulate

Require as useful, just, or proper;
It takes nerve to do what she did
Success usually requires hard work
This job asks a lot of patience and skill
This position demands a lot of personal sacrifice
This dinner calls for a spectacular dessert
This intervention does not postulates a patient's consent

Postulate

A fundamental assumption accepted without proof.
Euclid's postulates are the basis of classical geometry.

Postulate

An axiom in mathematics.
The parallel postulate is crucial in Euclidean geometry.

FAQs

How is posit used in philosophy?

It is used to introduce an assumption or hypothesis as a basis for argument or exploration.

What is a postulate in mathematics?

A fundamental assumption accepted without proof to build a logical framework, such as Euclid's postulates in geometry.

Is a postulate the same as an axiom?

Yes, in many contexts, a postulate is synonymous with an axiom, both being fundamental assumptions.

Can a postulate be disproven?

No, postulates are assumed to be true within the system they support; they are not subject to proof or disproof.

Can posit be used in everyday language?

Yes, it can be used to suggest any idea or assumption, such as positing a new solution to a problem.

Are posits flexible?

Yes, posits can evolve and change with new evidence and arguments.

Do postulates require proof?

No, postulates are accepted without proof and used as starting points for reasoning.

How do posits differ from hypotheses?

Posits are suggested assumptions, while hypotheses are testable predictions.

Is positing only for formal discussions?

No, positing can be used in everyday conversations to introduce ideas or suggestions.

What is an example of a posit in a debate?

Suggesting that technology improves learning outcomes is an example of a posit in an educational debate.

Why are postulates important in science?

They provide foundational truths that theories and experiments are built upon.

How do mathematicians use postulates?

They use them as the starting points for proving other theorems and propositions.

What is a common postulate in physics?

The constancy of the speed of light in a vacuum is a fundamental postulate in Einstein's theory of relativity.

Can you give an example of positing in research?

A scientist posits that a certain chemical can cure a disease, leading to experimental testing.

Do postulates change over time?

Generally, they remain constant, as they form the foundational basis of a discipline.

How are postulates related to logical reasoning?

They provide the basic assumptions from which logical arguments and proofs are derived.

Can a posit be part of a theory?

Yes, posits often form the initial assumptions or ideas that lead to the development of theories.

Are postulates universally accepted?

Within a specific field, yes, but different fields may have different sets of postulates.

What happens if a posit is disproven?

It is revised or discarded, prompting further investigation and new posits.

What is a synonym for posit?

Suggest, propose, or hypothesize.
About Author
Written by
Aimie Carlson
Aimie Carlson, holding a master's degree in English literature, is a fervent English language enthusiast. She lends her writing talents to Difference Wiki, a prominent website that specializes in comparisons, offering readers insightful analyses that both captivate and inform.
Co-written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.

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