a known truth

USAGE SUMMARY

The phrase "a known truth" is correct and usable in written English.
It can be used to refer to something that is widely accepted or recognized as true. Example: "It is a known truth that hard work often leads to success."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

How, then, could the identity of Hesperus and Phosphorus not be a known truth, known without doing any astronomical research?

SEP

But if epistemic issues are under consideration, since we cannot have a possible world in which "\(1 + 4\)" and "\(2 + 3\)" designate different things, "\(1 + 4 = 2 + 3\)" must be a known truth.

SEP

Now, according to Leibniz, "A reason is a known truth whose connection with some less well-known truth leads up to give our assent to the latter.

SEP

Even with strengthening the second axiom to require that all necessary truths receive probability one, there is still a reading upon which the Converse Dutch Book theorem is false, since an agent will be vulnerable to a sure loss if she attaches a probability less than one to a known truth (or a probability greater than zero to a known falsehood).

SEP

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

Broadway * "MAMMA MIA!" It's a widely known truth that when the going gets tough, the tough want cupcakes.

The New York Times

* "MAMMA MIA!" It's a widely known truth that when the going gets tough, the tough want cupcakes.

The New York Times

'In silico' data are gene expression data generated by a computer model of the gene regulation that enable one to check the performance of algorithms against a perfectly known truth.

Plosone

She must have known this all along — the text is not obscure — but a good sermon changes even known truth into profound realization.

The New York Times - Books

On average, the calibration accuracy (measured in three-dimensional reconstruction error against a known ground truth) of all 50 trials was 0.66 mm.

Ultrasound in Medicine & Biology

Plastic phantoms combine the advantage of a known ground truth and a physical object, which can be scanned using patient protocols.

EJNMMI Physics

For this purpose, we have developed a printed SS phantom technique, which allows generating a physical 3D object modelling any desired tracer uptake distribution with a known ground truth, which is the printout template.

EJNMMI Physics

Expert writing Tips

Best practice

Use "a known truth" to introduce a concept that is generally accepted, but consider providing context or evidence if the audience may not be familiar with it.

Common error

Avoid using "a known truth" for facts that are already universally acknowledged. This can make your writing sound redundant or condescending.

Linguistic Context

The primary grammatical function of "a known truth" is as a noun phrase that acts as a subject complement or appositive. It identifies or describes something that is commonly understood or accepted as factual. Ludwig AI confirms this usage.

Expression frequency: Rare

Frequent in

Science

50%

News & Media

50%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "a known truth" is a grammatically correct noun phrase used to introduce a concept widely accepted as factual. Ludwig AI validates this, noting its correct and usable nature. While relatively rare, it appears in both scientific and journalistic contexts to emphasize a shared understanding. Alternatives such as ""an established fact"" or ""a recognized truth"" offer similar meanings. When employing "a known truth", it's crucial to avoid overstating the obvious and to provide context for clarity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

an established fact

Replaces "known" with "established", emphasizing the confirmed nature of the truth.

a recognized truth

Replaces "known" with "recognized", highlighting the acknowledgement of the truth.

a well-known fact

Interchanges "truth" with "fact" to emphasize its factual basis.

an undeniable truth

Adds intensity by asserting that the truth cannot be denied.

a self-evident truth

Implies that the truth is obvious and requires no proof.

a universally accepted truth

Stresses the broad agreement on the truth.

a common understanding

Shifts focus from truth to shared comprehension.

a matter of record

Presents the truth as something officially documented.

a proven fact

Highlights that the fact has been verified.

an accepted reality

Frames the truth as a condition that is acknowledged.

FAQs

How can I use "a known truth" in a sentence?

You can use "a known truth" to introduce a statement that is widely accepted as fact. For example: "It is "a known truth" that regular exercise benefits your health."

What are some alternatives to "a known truth"?

Alternatives to "a known truth" include "an established fact", "a recognized truth", or "a well-known fact", depending on the specific context.

Is it redundant to say "a known truth"?

While "truth" implies something known, the phrase "a known truth" emphasizes the established and accepted nature of the statement, making it useful for reinforcing agreement or highlighting shared understanding.

When should I avoid using "a known truth"?

Avoid using "a known truth" when stating something that is already universally understood or self-evident, as it can come across as stating the obvious. Consider using it when reinforcing an idea or premise.