is proven to exist

USAGE SUMMARY

The phrase "is proven to exist" is correct and usable in written English.
It can be used in contexts where you want to assert that something has been demonstrated or established as real or true through evidence or argument. Example: "The theory is proven to exist through extensive research and experimentation."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

But if such a plot is proven to exist, it marks a disturbing change in the pattern of terrorist attacks in Britain.

The Economist

Within these bounds a solution to the fixed-point problem is proven to exist and convergence of the fixed-point iteration is guaranteed.

Chemical Engineering Science

With respect to the multi-user scenario, the scale effect of ET-FSD is rigorously defined, which in Section 4 is proven to exist.

EURASIP Journal on Advances in Signal Processing

The problem is reduced to a nonlinear integral equation in one independent variable, whose unique solution is proven to exist for small time.

Boundary Value Problems

He explained: "The whole object of impartial public inquiry is to get at the truth, to expose fault where fault is proven to exist, and in all cases to see to it so far as humanly possible that the same mistake, whether it arise through fault or any other reason, is not made in the future.

BBC

A DNA exchange between mtDNA and nuclear DNA might have occurred, resulting in a nuclear rps15 protein, if the rps15 protein is proven to exist; otherwise, we have a defective Ks3 mitochondrial ribosome without rpl5.

BMC Genomics

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

They fear that if this thing is proved to exist the public will spend half its annual income in a holiday shopping frenzy.

The New Yorker

Then, under the same assumptions, a reduced-order observer is proved to exist.

Communications in Nonlinear Science and Numerical Simulation

Under the tangential condition, a global viable solution for a fuzzy delay differential inclusion is proved to exist.

Advances in Difference Equations

Pure strategy Nash equilibria is proved to exist in the distributed solution, and it always has a strategy profile that implements the socially optimal configuration, even if the routers are self-interested in nature.

EURASIP Journal on Wireless Communications and Networking

If the continuously matched nucleotides are longer than the shifting length N, at least one repeat with the basic pattern length N is proved to exist in the target sequence.

Advances and Applications in Bioinformatics and Chemistry

Expert writing Tips

Best practice

Use "is proven to exist" when you have concrete evidence or rigorous findings to support the claim that something is real or true. This phrase adds a layer of authority and credibility to your statement.

Common error

Avoid using "is proven to exist" when the evidence is preliminary or speculative. This phrase implies a high degree of certainty, so ensure your assertion is backed by substantial and verifiable data.

Linguistic Context

The phrase "is proven to exist" functions as a passive construction indicating that something's existence has been definitively established. As Ludwig highlights, this structure asserts that something has been demonstrated or established through evidence.

Expression frequency: Uncommon

Frequent in

Science

67%

News & Media

33%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "is proven to exist" is a grammatically correct and usable phrase best employed when asserting that something has been definitively demonstrated to be real or true. Ludwig AI indicates that its use spans across scientific and journalistic contexts, adding authority and credibility to statements. While it is appropriate for formal registers, especially in academic and scientific settings, it's crucial to ensure that claims are backed by substantial, verifiable evidence to avoid overstatement. Related phrases include "has been proven to exist" and "is demonstrated to exist", which offer slight variations in emphasis. Overall, using this phrase effectively requires careful consideration of the strength and validity of the supporting evidence.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has been proven to exist

Changes from present to past perfect tense, emphasizing completed proof.

is demonstrated to exist

Replaces "proven" with "demonstrated", indicating a showing of existence.

is established to exist

Substitutes "proven" with "established", suggesting firm confirmation.

is shown to exist

Uses "shown" instead of "proven", implying a display of existence.

has been verified to exist

Replaces "proven" with "verified", stressing the accuracy of the existence.

is confirmed to exist

Uses "confirmed" instead of "proven", emphasizing validation.

is validated to exist

Substitutes "proven" with "validated", suggesting that it has been checked.

is substantiated to exist

Replaces "proven" with "substantiated", implying provision of evidence.

is borne out to exist

This alternative uses a phrasal verb, 'borne out' to mean it has been supported by evidence.

is evidenced to exist

Swaps "proven" with "evidenced", indicating supported evidence exists.

FAQs

How can I use "is proven to exist" in a sentence?

Use "is proven to exist" to assert that something has been definitively shown to be real or true, for example, "The link between smoking and lung cancer "is proven to exist" through numerous studies".

What are some alternatives to "is proven to exist"?

You can use alternatives like "has been demonstrated to exist", "is established to exist", or "is shown to exist" depending on the context.

What is the difference between "is proven to exist" and "is believed to exist"?

"Is proven to exist" implies concrete evidence supports the existence of something, while "is believed to exist" suggests that its existence is accepted without definitive proof.

When is it appropriate to use "is proven to exist" in academic writing?

It's appropriate to use "is proven to exist" in academic writing when referring to theories, concepts, or phenomena that have been rigorously tested and validated by empirical evidence or mathematical proofs. For instance, "The Pythagorean theorem "is proven to exist" through geometric proofs".