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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has proven true
Grammar usage guide and real-world examplesUSAGE SUMMARY
"has proven true" is correct and usable in written English.
You can use it to state that something has been proven to be true or accurate by evidence. Example: The theory that life exists beyond Earth has proven true through recent discoveries.
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(18)
has been verified
has been confirmed
has been validated
has been substantiated
has been authenticated
has proved true
has proven valid
has demonstrated true
has proven advantageous
has proven reliable
has proven efficacious
has proven crucial
has been true
has proven beneficial
has shown true
has proven to be true
has confirmed the veracity
has demonstrated genuine
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
20 human-written examples
But the opposite has proven true.
News & Media
— has proven true in my day and a half here.
News & Media
This has proven true so far, but will it always?
News & Media
In the Simple Game, the opposite has proven true.
News & Media
What Michael said has proven true – share economy businesses are, in essence, niche dating agencies.
News & Media
We looked at the data, and we gave them our best sense, and our best sense has proven true".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
"[This] has proved true".
News & Media
Each time the opposite has proved true.
News & Media
So it has proved true.
News & Media
In fact, almost the opposite has proved true.
News & Media
It has proved true for almost five decades.
News & Media
Expert writing Tips
Best practice
Ensure that the subject to which "has proven true" refers is clearly defined to maintain clarity and avoid ambiguity in your writing.
Common error
Avoid using "has proven true" when referring to events that have not yet occurred or predictions that are still in the future. This phrase implies that the truth has already been established.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has proven true" functions as a predicate in a sentence, indicating that a statement, prediction, or belief has been validated or confirmed by evidence or events. Ludwig AI confirms its correctness and usability.
Frequent in
News & Media
40%
Science
30%
Formal & Business
15%
Less common in
Encyclopedias
5%
Reference
5%
Wiki
5%
Ludwig's WRAP-UP
In summary, "has proven true" is a phrase used to express the confirmation of a statement or prediction through evidence or events. Ludwig AI confirms that the phrase is correct and frequently used in various contexts, including News & Media, Science, and Formal & Business settings. While alternatives like "has been verified" or "has been confirmed" exist, "has proven true" effectively conveys a sense of validation and reliability. Be sure to use it when referring to things that really happened. This makes it a valuable addition to one's writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
has been verified
Replaces 'proven true' with 'verified', emphasizing confirmation of accuracy.
has been confirmed
Uses 'confirmed' instead of 'proven true', suggesting validation.
has been validated
Substitutes 'proven true' with 'validated', focusing on establishing correctness.
has turned out to be true
Emphasizes the outcome or result being truthful.
has been substantiated
Replaces 'proven true' with 'substantiated', indicating confirmation with evidence.
has borne out
Uses 'borne out' instead of 'proven true', implying confirmation through experience or evidence.
has been authenticated
Substitutes 'proven true' with 'authenticated', focusing on establishing genuineness.
has demonstrated its truth
Emphasizes the truthfulness that has been demonstrated.
has proven to be the case
Rephrases to focus on the actuality of the situation.
has shown itself to be true
Highlights the self-evident nature of the truth.
FAQs
How can I use "has proven true" in a sentence?
Use "has proven true" to express that something initially believed or predicted is now confirmed by evidence or events. For example, "The hypothesis that increased exercise improves cardiovascular health "has proven true" through numerous clinical trials".
What are some alternatives to "has proven true"?
Alternatives include "has been verified", "has been confirmed", or "has been validated". The choice depends on the specific nuance you want to convey.
Is it better to say "has proven true" or "has proved true"?
Both "has proven true" and "has proved true" are grammatically correct, but "has proven true" is more common in American English, while "has proved true" is more common in British English. The choice depends on your preferred style.
What is the difference between "has proven true" and "was true"?
"Has proven true" indicates that something's truth has been established over time through evidence. "Was true" simply states that something was true at a specific point in the past, without necessarily implying ongoing 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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested