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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a valid proof of

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a valid proof of" is correct and usable in written English.
It can be used when discussing evidence or justification for a claim, argument, or theory. Example: "The researcher presented a valid proof of the hypothesis through extensive experimentation."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

In spite of the limited efficiencies of the analyzed cells, the higher photocurrents measured for CdSe/N719 co-sensitization compared to the cells sensitized using a single sensitizer constitutes a valid proof of the concept.

Any and all warranty disputes are resolved by a valid proof of purchase from an authorized reseller.

News & Media

TechCrunch

The third one is the primacy of assertion over other speech acts such as assuming or denying, which is implicit in all approaches considered so far. to these two proofs is a valid proof of B, or reduces to such a proof.

Science

SEP

It thus follows that the following problem is in \ \textbf{NP}\): \(n\text\sc{PROVABILITY}_{\mathsf{T}}\ \) Given a formula \ \phi\) in the language of \(\mathsf{T}\) and a natural number \(n\), does there exist a valid \(\mathsf{T}\ -derivation \(\maT}\ -derivationength \(\mathcal{such that \(\mathcal{D}\) is a valid proff of \(\phi\)?

Science

SEP

The decidability result provides an algorithm which when applied to a (finite) sequence of sentences decides in finitely many steps whether the sequence is a valid proof of its last member or is a valid deduction of a given conclusion from given premises.

Science

SEP

French philosopher Jean-Paul Sartre identified himself as a representative of an "atheist existentialism" concerned less with denying the existence of God than with establishing that "man needs ... to find himself again and to understand that nothing can save him from himself, not even a valid proof of the existence of God".

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Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

The Grundgesetze contains all the essential steps of a valid proof (in second-order logic) of the fundamental propositions of arithmetic from a single consistent principle.

Science

SEP

If a Kansan registers to vote but does not provide one of 13 valid proof-of-citizenship documents, such as a birth certificate or passport, he or she is placed on a so-called "suspense" list.

News & Media

HuffPost

If a Kansan registers to vote but does not provide one of 13 valid proof-of-citizenship documents, such as a birth certificate or passport, he or she is placed on a so-called "suspense" list.

News & Media

Huffington Post

The theory hypothesizes that activating learners' action systems without engaging language systems to instill propositional meaning to these actions can lead to the generation of intuitions (System 1) and insights about the conjectures (top pathway of Fig. 2), but that this by itself will not yield a valid proof that presents the chain of analytical reasoning for why the insight holds.

In addition, we saw support for our theoretical claim that dynamic gesture production reliably predicts the performance of formulating a valid proof (odds ratio = 5.52, d = 0.94, p < 0.001), supporting H6.

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Expert writing Tips

Best practice

When presenting "a valid proof of" a concept or theory, ensure that your evidence is verifiable and comes from reputable sources to enhance credibility.

Common error

Avoid claiming "a valid proof of" something when the evidence is only suggestive or correlational; clearly distinguish between strong proof and supporting evidence.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a valid proof of" functions as a noun phrase that identifies and characterizes the nature of the proof. It's used to assert the legitimacy and soundness of evidence or reasoning, as verified by Ludwig.

Expression frequency: Uncommon

Frequent in

Science

42%

News & Media

32%

Academia

14%

Less common in

Wiki

8%

Formal & Business

4%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a valid proof of" is a noun phrase used to indicate strong, verifiable evidence supporting a claim or argument. As Ludwig AI indicates, its grammatical status is correct, although it's more frequently encountered in scientific, academic, and news contexts. When using this phrase, ensure that the "proof" is indeed robust and credible. Alternatives like ""a sound demonstration of"" or ""a reliable substantiation of"" can be considered based on the specific nuance required. Be mindful not to overstate the strength of the proof if the evidence is only suggestive.

More alternative expressions(10)

Phrases that express similar concepts, ordered by semantic similarity:

FAQs

How can "a valid proof of" a claim be presented effectively?

Presenting "a valid proof of" a claim effectively requires clear and logical reasoning, supported by credible evidence, and acknowledging any limitations or counterarguments.

What distinguishes "a valid proof of" something from mere supporting evidence?

While supporting evidence strengthens a claim, "a valid proof of" it provides conclusive verification through rigorous methodology and demonstrable facts, leaving little room for doubt.

What are some alternatives to the phrase "a valid proof of"?

You can use alternatives such as "a legitimate confirmation of", "a sound demonstration of", or "a reliable substantiation of" depending on the context.

In what contexts is it most appropriate to use the phrase "a valid proof of"?

The phrase "a valid proof of" is most appropriate in formal contexts like academic papers, legal documents, or scientific reports where rigorous demonstration and verifiable evidence are essential.

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Source & Trust

84%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Most frequent sentences: