has been demonstrated before

USAGE SUMMARY

The phrase "has been demonstrated before" is correct and usable in written English.
You can use it when referring to evidence or findings that have previously been shown or proven in a particular context. Example: "The effectiveness of this treatment has been demonstrated before in several clinical trials."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Moreover, the important role of angiogenesis has been demonstrated before, both in human ischaemic heart disease [40] and experimental models of non-ischaemic related heart failure [41].

Plosone

The absolute requirement of PrfA for L. monocytogenes virulence has been demonstrated before, as has the requirement for several genes within the PrfA regulon [21], [22], but the explanation of how the regulon determines the effects reported here remains to be determined.

Plosone

"...because of course, the truth is that pharmaceutical companies or large institutions blatantly fool us....So EBM has his base on something that has been demonstrated before and that doesn't camouflage in statistics".

BMC Family Practice

Indeed, the connection of the S1P pathway with immunologically relevant cellular functions beyond immune cell trafficking has been demonstrated, before, as for example it is involved in the intrinsic modulation of CD4+ T-cell differentiation toward encephalitogenic TH17 cells by influencing intracellular Jak-STAT3 signaling.

Annals of Clinical and Translational Neurology

The feasibility of this approach has been demonstrated before.

The Journal of Thoracic and Cardiovascular Surgery

The ability to survive adversity has been demonstrated before by automakers.

The New York Times

What's more, Humayun says that reading text has been demonstrated before, albeit with considerably larger letters.

MIT Technology Review

Numerical results indicate that Chaboche's hardening model is much more efficient than what has been demonstrated before.

International Journal of Solids and Structures

Attachment of Salmonella enterica serovar typhimurium to lettuce leaves has been demonstrated before; however, only limited information is available regarding the localization and distribution of immigrant Salmonella on the leaf surface.

Food Microbiology

This has been demonstrated before but only for one codeword at a time [17].

EURASIP Journal on Advances in Signal Processing

Variation in circadian cycling of the transcriptome and proteome of mouse tissues in vivo has been demonstrated before, for instance in the liver [7, 26].

EJNMMI Research

Expert writing Tips

Best practice

When using "has been demonstrated before", provide context or a citation to the previous demonstration to enhance credibility and allow readers to verify the information.

Common error

Avoid using "has been demonstrated before" to imply a groundbreaking discovery when the previous demonstrations were minor or inconclusive. Accurately represent the extent and reliability of prior work.

Linguistic Context

The phrase "has been demonstrated before" functions as an assertion of prior validation. It indicates that a particular claim, method, or finding isn't novel but has existing support. As Ludwig AI states, it's a correct and usable phrase.

Expression frequency: Very common

Frequent in

Science

73%

News & Media

13%

Academia

5%

Less common in

Formal & Business

2%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "has been demonstrated before" is a grammatically correct and frequently used expression, predominantly found in scientific, academic, and professional contexts. It serves to establish credibility by referencing prior evidence, as confirmed by Ludwig AI. While common, it's important to use this phrase judiciously, providing relevant context or citations to support the claim. Alternatives like "has been proven previously" or "was previously demonstrated" can be used to avoid repetition. Remember to accurately represent the significance of prior demonstrations to maintain clarity and avoid overstatement.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has been proven previously

Changes "demonstrated" to "proven" and adds "previously" for emphasis.

has been shown before

Substitutes "demonstrated" with the simpler "shown".

was previously demonstrated

Changes the tense slightly and uses "previously" for emphasis.

has been established previously

Replaces "demonstrated" with "established", implying a stronger level of proof.

has been confirmed in the past

Uses "confirmed" instead of "demonstrated" and specifies "in the past".

prior studies have demonstrated

Focuses on prior research as the source of the demonstration.

evidence suggests this has occurred before

Shifts the focus to the evidence rather than the act of demonstrating.

this has precedent

Uses a more concise and formal phrasing.

the feasibility of this has already been proven

This shows that is something that can be done, and already was done before.

earlier research has pointed to this

Highlights the role of previous research in indicating the concept.

FAQs

How can I rephrase "has been demonstrated before" to avoid repetition?

You can use alternatives like "has been proven previously", "was previously demonstrated", or "has been shown before" depending on the context.

Is it necessary to cite the original source when stating that something "has been demonstrated before"?

While not always mandatory, citing the original source when using "has been demonstrated before" adds credibility and allows readers to verify the claim. It's a good practice, especially in academic or scientific writing.

What's the difference between "has been demonstrated before" and "has been proven before"?

While similar, "has been proven before" implies a higher degree of certainty than "has been demonstrated before". "Demonstrated" suggests that something has been shown to be true, while "proven" suggests it has been conclusively established.

In what contexts is it appropriate to use the phrase "has been demonstrated before"?

The phrase "has been demonstrated before" is appropriate in academic, scientific, and professional contexts when referring to findings or evidence that have been previously shown or proven. It's less common in informal settings.