This is known that vs This is proved that

Both phrases are not commonly used in English. The correct and more natural way to express this idea is "it is known that" or "it has been proven that."

Last updated: March 21, 2024 • 614 views

This is known that

This phrase is not correct in English. The correct way to express this idea is "it is known that."

The correct phrase to use is "it is known that" when referring to something that is already established or widely recognized.

Show examples from the web [+]

A correspondent writes: "This is known, that they were a remarkably mischievous arid thievish tribe. If ever a house was robbed, a child stolen, cattle carried ...
So the story with the boys is this: is known that a lice problem affected the South Park Elementary then the boys and girls need to be checked. By the end we ...
But if this is known, that M does not belong to all x in general, then by combining these two conditions it will be correct to conclude: there is a certain quantity U ...
However, this is known that such a strategy leads to over-segmentation. We first denoise the input image to enhance the signal/noise ratio and eliminate high ...

Alternatives:

it is known that

This is proved that

This phrase is not commonly used in English. The more appropriate way to convey this meaning is "it has been proven that."

Instead of "this is proved that," it is more natural to say "it has been proven that" when stating that something has been demonstrated or shown to be true.

Show examples from the web [+]

May 25, 2015 ... For example, this is proved that the Sierpinski IFS has the average shadowing property. Then we shows that there is an IFS F on S1 such that F ...
May 31, 2015 ... Specially, this is proved that every uniformly contracting IFS has the asymptotic average shadowing property. As an important result, we show ...
3. +13 k. 2. + 12k + 4)/4]. = [(k+1)(k +2)/2]. 2. ----------------(2). Comparing (1) and ( 2), this is proved that the mathematical induction holds for k+1. Hence, S(n): 1. 3.
One furnishes evidence to another, and all to each of them; if this is proved, that becomes probable; if this and that are both probable, but for different reasons, ...

Alternatives:

it has been proven that

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This is known that vs This is proved that