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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
these proof
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "these proof" is not correct in English.
It should be "these proofs" if referring to multiple pieces of evidence or "this proof" if referring to a single piece. You can use the corrected phrase when discussing evidence or validation in various contexts, such as academic writing or legal discussions. Example: "These proofs demonstrate the validity of the theory we are proposing."
⚠ May contain grammatical issues
Science
Academia
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
16 human-written examples
I'm also interested in using these Proof Assistants to make this world a safer place.
Academia
These proof assistants advance daily the goal for which Principia was designed: to provide a comprehensive formalization of mathematics.
Academia
These proof of concept experiments give rise to possibilities to translate the transduction of neurofibromin to in vivo experiments with the goal of a restoring of lacking protein in all body cells.
Science & Research
These proof of concept experiments had established LBTs as useful components of LRET assays, but they had not yet been combined with fluorescent proteins as acceptors to investigate PPInts of full-length proteins or individual domains.
Science & Research
Sure enough, in these proof of principle experiments, the difference allowed them to determine when a strand of DNA was present or when two or more strands were stuck in the nanopore.
News & Media
These proof procedures are defined for any conventional logic formulated as a collection of inference rules and show how any such logic can be extended to a dialectic argumentation system.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
These proof-of-concept TFETs feature junctions obtained by Solid Phase Epitaxy Regrowth (SPER).
Science
They will present these proof-of-concept attacks tomorrow at HotMobile 2010, a conference taking place in Annapolis, MD.
News & Media
These proof-of-concept tests also helped validate the design methodology developed for proportioning aluminum shear-link enabled steel frames.
Science
These proof-of-principle experiments demonstrate how different selection pressures can interact with genomic instability to impact tumor evolution.
Science
These proof-of-concept experiments were performed with a high cell dose of 4 × 106 iPSC-Mac per single intra-pulmonary application.
Science & Research
Expert writing Tips
Best practice
When referring to evidence, ensure you use the correct singular or plural form. Use "this proof" for a single piece of evidence or "these proofs" for multiple pieces.
Common error
Avoid using "these proof". Remember that "proof" is a countable noun and must agree in number. Use "this proof" for singular and "these proofs" for plural references.
Source & Trust
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "these proof" functions as a determiner followed by a noun. However, it is grammatically incorrect, as the plural determiner "these" requires a plural noun. According to Ludwig AI, the phrase is not correct and requires a correction to "this proof" or "these proofs".
Frequent in
Science
42%
Academia
25%
News & Media
16%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "these proof" is grammatically incorrect and should be avoided in formal writing. Ludwig AI suggests using "this proof" for singular references and "these proofs" for plural references. While the phrase appears in some sources, particularly in science and academia, its incorrect usage detracts from clarity and professionalism. Alternative phrases like "this evidence" or "these pieces of evidence" can provide more accurate and grammatically sound options. Always ensure subject-verb agreement and proper noun forms for clear and effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
this proof
Singular form, correcting the original pluralization error.
these proofs
Correct plural form of the noun "proof".
this evidence
Using the uncountable noun "evidence" to convey the same meaning in singular form.
these pieces of evidence
Expressing the concept with countable items of "evidence", being more grammatically precise.
this validation
Replacing "proof" with the synonym "validation" in singular form.
these validations
Replacing "proofs" with the plural synonym "validations".
this confirmation
Substitute "proof" with a synonym "confirmation" in the singular form.
these confirmations
Replace "proofs" with a synonym "confirmations" in the plural form.
this justification
Substituting "proof" with a synonym "justification" in the singular form.
these justifications
Replacing "proofs" with a synonym "justifications" in the plural form.
FAQs
What is the correct way to use "proof" in a sentence?
The word "proof" is a countable noun. For a single instance, use "this proof". For multiple instances, use "these proofs". For example, "this proof demonstrates the theorem" or "these proofs support the hypothesis".
Is it ever correct to say "these proof"?
No, "these proof" is grammatically incorrect. The correct forms are "this proof" (singular) and "these proofs" (plural).
What are some alternatives to the phrase "these proof"?
Since "these proof" is incorrect, alternatives include "this evidence", "these proofs", or "these pieces of evidence".
What's the difference between "these proof" and "these proofs"?
"These proof" is grammatically incorrect, while "these proofs" is the correct plural form of "proof", indicating multiple instances of evidence or validation.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested