has it been demonstrated

USAGE SUMMARY

The phrase "has it been demonstrated" is correct and usable in written English.
You can use it when inquiring whether something has been proven or shown to be true or valid. Example: "In the context of scientific research, has it been demonstrated that this treatment is effective?"

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

Just one researcher had observed this catapulting motion in the wild, and only now has it been demonstrated in the lab.

Science Magazine

To the best of our knowledge, neither in Xia et al. nor in any other paper on the LCMNB approach has it been demonstrated that (i) the contribution of Eq. 22 is zero, i.e., ∑ j ( 1 − x j ) ln ν ij − ( L − 1 ) × ln p ( ω i ) = 0, ∀ i, i = 1, 2,.., C (23).

Journal of Cheminformatics

Nor has it been demonstrated that this program even provides any uniquely valuable intelligence".

Huffington Post

Only recently has it been demonstrated that lipopolysaccharide (LPS) induces the expression of HIF1α in macrophages and that the induction of hypoxic genes in macrophages is also Toll-like receptor 4 (TLR4 -dependent.

Critical Care

It has not been established that the various therapy rating scales measure what they purport to measure, nor has it been demonstrated that their threshold scores are appropriate ones for viewing sessions as having been delivered well enough.

Behaviour Research and Therapy

Nor has it been demonstrated by any rigorous computation that combinatorial control of gene expression by protein complexes is insufficient to support the regulatory complexity required to make a human (to which alternative splicing of coding RNAs is likely to make a significant contribution - see for example[ 11]).

BMC Biology

Human-verified similar examples from authoritative sources

Similar Expressions

50 human-written examples

Recently it has been demonstrated that EPO has actions other than stimulating the bone marrow.

Critical Care

It has been demonstrated that DOPAC has anticancer, anti-inflammatory, cardioprotective and neuroprotective properties.

European Journal of Nutrition

It has been demonstrated previously that organisms having the shorter exons have higher gene content ratio.

DNA Research

It has been demonstrated that it is possible to transform CO2 into methane with conversion >99%.

Catalysis Today

In [7], it has been demonstrated that it is outperformed by the Normalised Correlation (NC) and Gradient Direction (GD).

EURASIP Journal on Advances in Signal Processing

Expert writing Tips

Best practice

When using "has it been demonstrated", ensure that the context clearly indicates what is being demonstrated and the basis for the demonstration (e.g., through research, experimentation, or empirical evidence).

Common error

Avoid using "has it been demonstrated" in casual conversation or informal writing; opt for simpler phrases like "has it been shown" or "is there proof" to maintain a natural tone.

Linguistic Context

The phrase "has it been demonstrated" functions as an interrogative clause in the passive voice, used to inquire whether something has been proven or validated through evidence or practical application. Ludwig confirms its grammatical correctness and usability.

Expression frequency: Uncommon

Frequent in

Science

65%

News & Media

25%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "has it been demonstrated" is a grammatically sound and formally appropriate phrase used to inquire whether something has been proven or validated through evidence. While Ludwig confirms its correctness, it's most suitable for academic, scientific, or professional contexts, as shown by its prevalence in science and news sources. When a more casual tone is required, simpler alternatives might be preferred. Ludwig's analysis offers related phrases and usage tips to help writers use the phrase effectively.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has proof been established

This alternative focuses more on the establishment of concrete evidence rather than a general demonstration.

has evidence been provided

This version emphasizes the act of offering evidence, implying a more active presentation of proof.

has it been substantiated

Substantiated suggests a more rigorous and thorough confirmation of something.

has it been verified

Verified implies a check against established standards or facts to confirm accuracy.

has it been validated

Validated specifically suggests that something has been tested and confirmed to meet certain criteria.

has it been confirmed

Confirmed indicates that something has been agreed upon or acknowledged as true after some doubt.

has it been shown

This is a more general way of saying something has been made evident, without necessarily implying proof.

is there any demonstration of

This rephrases the question to focus on the existence of any evidence of demonstration, shifting the focus slightly.

is there proof of

This version directly asks for proof rather than a demonstration, which can sometimes imply practical application.

are there indications of

Indications suggests preliminary signs or evidence, rather than conclusive proof.

FAQs

What does "has it been demonstrated" mean?

The phrase "has it been demonstrated" means has something been proven or shown to be true, typically through evidence, research, or practical application.

How can I use "has it been demonstrated" in a sentence?

Use "has it been demonstrated" to inquire if evidence supports a claim. For example: "In clinical trials, "has it been demonstrated" that the new drug is more effective than the existing treatment?"

What can I say instead of "has it been demonstrated"?

You can use alternatives like "has it been proven", "has it been shown", or "has evidence been provided", depending on the context.

Is "has it been demonstrated" formal or informal?

"Has it been demonstrated" tends to be more formal and is often used in academic, scientific, or professional contexts. In more casual settings, simpler phrases might be more appropriate.