he demonstrated that

USAGE SUMMARY

"he demonstrated that" is a perfectly valid phrase in written English.
You can use it when you want to express the idea that someone has proven a particular fact or idea to be true. For example: "In the classroom experiment, he demonstrated that the saltwater did not make the plant grow."

✓ Grammatically correct

Encyclopedias

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

He demonstrated that mitochondrial decay is a major contributor to aging and age-related degenerative diseases.

Encyclopedia Britannica

In further studies he demonstrated that current flows through a conductor at the speed of light.

Encyclopedia Britannica

He demonstrated that commerce could go both ways.

The New Yorker

Last night, he demonstrated that he has more weapons than just emotion on the mound.

The New York Times - Sports

He demonstrated that impulse, that absolute determination, to play the next game.

The New York Times - Sports

While in the legislature he demonstrated that, though opposed to slavery, he was no abolitionist.

Encyclopedia Britannica

In 1920 he demonstrated that liver as a dietary factor greatly enhances hemoglobin regeneration in dogs.

Encyclopedia Britannica

He demonstrated that the alkali yield could vary significantly from place to place.

Encyclopedia Britannica

For instance, he demonstrated that 10 could be divided into two parts whose product was 40.

Encyclopedia Britannica

And he demonstrated that he knew voters were not inclined to love at first sight.

The New York Times

He demonstrated that his bowling ability was as modest as he is.

The New York Times

Expert writing Tips

Best practice

When using "he demonstrated that", ensure the context clearly indicates what he proved or showed. Provide specific details or examples to support the demonstration.

Common error

Avoid vague statements after "he demonstrated that". Always clarify what evidence or method was used to prove the point. For example, instead of "He demonstrated that it works", specify "He demonstrated that the new engine works by running it for 24 hours without overheating."

Linguistic Context

The phrase "he demonstrated that" functions as a reporting clause, introducing a statement or fact that has been proven or shown to be true by someone. It highlights the act of demonstrating as evidence or proof. As confirmed by Ludwig AI, this phrase is grammatically correct and widely used.

Expression frequency: Very common

Frequent in

Science

37%

News & Media

34%

Encyclopedias

19%

Less common in

Formal & Business

0%

Wiki

2%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "he demonstrated that" is a versatile and grammatically sound construction used to introduce a proven fact or conclusion. As Ludwig AI confirms, its widespread use across diverse contexts like science, news, and encyclopedias highlights its importance in conveying substantiated information. While semantically similar alternatives exist, "he demonstrated that" effectively emphasizes the act of proving or showing something to be true. Remember to provide clear and specific details following the phrase to avoid vagueness and enhance clarity. The phrase's formal and neutral tone makes it suitable for various writing styles, ensuring its continued relevance in both academic and general communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

he proved that

Replaces "demonstrated" with "proved", a direct synonym, keeping the sentence structure identical.

he showed that

Uses "showed" as a simpler alternative to "demonstrated", maintaining the same meaning and structure.

he established that

Substitutes "demonstrated" with "established", indicating a more definitive proof.

he confirmed that

Replaces "demonstrated" with "confirmed", implying verification of something already suspected.

he illustrated that

Uses "illustrated" instead of "demonstrated", suggesting the use of examples or evidence to support a point.

he revealed that

Replaces "demonstrated" with "revealed", implying the uncovering of new information.

he determined that

Substitutes "demonstrated" with "determined", suggesting a careful investigation led to the conclusion.

he clarified that

Replaces "demonstrated" with "clarified", focusing on making something easier to understand.

his findings showed that

Restructures the sentence to emphasize the findings as the subject, rather than the person.

evidence suggests that he

Shifts the focus to the evidence, implying the person's actions are supported by it.

FAQs

What can I say instead of "he demonstrated that"?

You can use alternatives like "he proved that", "he showed that", or "he established that" depending on the context.

How to use "he demonstrated that" in a sentence?

Use "he demonstrated that" to introduce a fact or result that someone has proven through evidence or experimentation. For example, "Through rigorous testing, he demonstrated that the new drug was effective".

Is "he demonstrated that" formal or informal?

"He demonstrated that" is suitable for both formal and neutral contexts. While it's not overly colloquial, it's also not strictly reserved for academic writing. The formality depends more on the surrounding vocabulary.

What's the difference between "he demonstrated that" and "he suggested that"?

"He demonstrated that" implies proof or strong evidence, while "he suggested that" indicates a hypothesis or opinion without conclusive proof. "He demonstrated that" shows certainty, while "he suggested that" indicates possibility.