a valid proposition

USAGE SUMMARY

The phrase "a valid proposition" is correct and can be used in written English.
It is commonly used in logic and philosophy to refer to a statement or idea that is considered true or logically sound. Example: "The argument presented by the scientist was supported by a valid proposition, which stated that all living beings require water to survive."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

On paper, that's a valid proposition.

Independent

Closely related to the idea of a valid inference form is that of a valid proposition form.

Encyclopedia Britannica

A proposition form is an expression of which the instances (produced as before by appropriate and uniform replacements for variables) are not inferences from several propositions to a conclusion but rather propositions taken individually, and a valid proposition form is one for which all of the instances are true propositions.

Encyclopedia Britannica

This fact is easily seen from the fact that α ⊃ β means the same as "not both: α and not-β"; for, as was noted above, whenever the latter is a valid proposition form, "α, therefore β" is a valid inference form.

Encyclopedia Britannica

Then the condition stated above for the validity of the inference form "α, therefore β" amounts to saying that no instance of the proposition form "α and not-β" is true i.e., that every instance of the proposition form(7) Not both: α and not-β is true or that line (7), fully spelled out, of course, is a valid proposition form.

Encyclopedia Britannica

Promisingly, the general level of fertility reduction documented here is well within the predicted range of necessary effect sizes for the TFT approach to pest control to be a valid proposition (Tompkins 2015).

Evolutionary Applications

Human-verified similar examples from authoritative sources

Similar Expressions

52 human-written examples

And you're not going to do it by adding more towers; if that was a valid business proposition, telecoms would have done it years ago.

TechCrunch

Or will they rely on market principles to fairly value assets and sell companies to buyers with a valid business proposition?

Huffington Post

It also provides a method of deriving from these inference forms valid proposition forms, and in this way it is analogous to the derivation of theorems in an axiomatic system.

Encyclopedia Britannica

The suitable definition of pragmatic validity in empirical sciences is the following: valid proposition, inference or conclusion is the best available approximation of the truth.8.8

European Journal of Futures Research

The research has resulted in the consolidation of the most valid propositions into a conceptual framework.

International Journal of Production Economics

Expert writing Tips

Best practice

When constructing an argument, ensure that each supporting statement is "a valid proposition" based on credible evidence or logical reasoning. Use this phrase to emphasize the soundness of your claims.

Common error

Avoid presenting statements as "a valid proposition" without providing sufficient evidence or logical justification. Ensure your claims are supported by reliable sources and sound reasoning to avoid undermining your credibility.

Linguistic Context

The phrase "a valid proposition" functions as a noun phrase where 'valid' modifies 'proposition'. It typically acts as a subject complement or an object within a sentence, identifying something as logically sound and well-supported. Ludwig AI affirms this usage.

Expression frequency: Rare

Frequent in

Science

40%

Encyclopedias

40%

News & Media

20%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "a valid proposition" is a noun phrase used to describe a statement or idea that is logically sound and well-supported. As Ludwig AI confirms, the phrase is grammatically correct and predominantly appears in formal and scientific contexts like encyclopedias and scientific articles. It serves to emphasize the credibility and reliability of a claim. While not very common, understanding its proper use enhances clarity and precision in academic and professional writing. When using "a valid proposition", ensure sufficient evidence and logical reasoning are present to support the statement.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a true proposition

Replaces "valid" with "true", focusing on the veracity of the statement.

a sound argument

Shifts the focus from a statement to the overall reasoning, suggesting logical coherence.

a reasonable assertion

Emphasizes the justification behind the statement, highlighting its plausibility.

a logical claim

Highlights the adherence of the proposition to principles of logic.

a well-founded theory

Suggests that the proposition is based on solid evidence and research.

a justifiable idea

Focuses on the defensibility of the proposition, indicating it can be supported with reasons.

a defensible statement

Highlights the ability to protect from counterarguments.

a tenable hypothesis

Implies the proposition is able to be maintained or defended against attack or objection.

a plausible scenario

Focuses on the believability of a potential situation, implying it could realistically occur.

a credible viewpoint

Emphasizes the trustworthiness and reliability of the perspective being presented.

FAQs

How can I use "a valid proposition" in a sentence?

You can use "a valid proposition" to describe a statement or idea that is logically sound and well-supported by evidence. For instance, "The researcher presented "a valid proposition" regarding the effects of climate change on coastal ecosystems".

What are some alternatives to saying "a valid proposition"?

Instead of "a valid proposition", you could use phrases like "a true statement", "a sound argument", or "a reasonable assertion", depending on the context and nuance you want to convey.

What makes a proposition valid?

A proposition is considered valid if it is both logically consistent and supported by evidence or reasoning. It must also be free from contradictions and based on credible information.

Is there a difference between "a valid proposition" and "a correct proposition"?

While both terms imply accuracy, "a valid proposition" typically refers to the logical structure and support for a statement, while "a correct proposition" simply means the statement aligns with reality or fact. Validity focuses on the reasoning, while correctness focuses on the truth value.