have certain knowledge of

USAGE SUMMARY

The phrase "have certain knowledge of" is correct and usable in written English.
It can be used when you want to express that you possess specific or definite knowledge about a subject or topic. Example: "As a historian, I have certain knowledge of the events that shaped the 20th century."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

So, we don't have "certain" knowledge of the external world based upon the testimony of our senses.

SEP

It is in the context of this theory that Autrecourt launches an attack on our claim to have certain knowledge of the existence of substances and causal relations.

SEP

The basic assumption was that, whereas gods have certain knowledge of visible and invisible events, men have to search for clues and conjectures.

European Journal of Futures Research

By separating these two types of knowledge that the soul or mind has of itself, Olivi is in a position to explain why we do not have certain knowledge of the nature of the soul.

SEP

According to Du Châtelet, part of the scientist's job is to "have certain knowledge of the facts that are within our reach, and to know all the circumstances attendant upon the phenomena we want to explain… for he who would hazard a hypothesis without this precaution would run the risk of seeing his explanation overthrown by new facts that he had neglected to find out about" (IP §61).

SEP

A key underlying principle of realism is that researchers cannot have certain knowledge of the world or objectivity, but that all knowledge is partial and fallible, and therefore theory generated from a realist perspective is only as good as it is until it is disproved.

BMJ Open

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

A year earlier, Nicholas of Autrecourt was condemned by Pope Clement VI for holding that one can have certain knowledge only of the logical principles of identity and contradiction and the immediate reports of sensation.

Encyclopedia Britannica

We have certain knowledge, Mendelssohn contends, not only of ourselves but also of the limited scope of this knowledge.

SEP

But it has not the least tendency to show that we have certain knowledge about the empirical properties of objects.

SEP

Based on the Greek skeptomai, which means to think or consider, it usually means doubt or incredulity about particular ideas, or a wider view about the impossibility of having certain knowledge.

The Guardian

The supposedly Humean position has three basic assertions: that there is nothing more to causality than the regular sequence of phenomena, that such a regular sequence cannot give a necessary connection, and that, consequently, we can have no certain knowledge of causal relations.

SEP

Expert writing Tips

Best practice

Use "have certain knowledge of" when you want to emphasize that your knowledge is based on facts and evidence, not just assumptions or beliefs.

Common error

Avoid using "have certain knowledge of" when "have some knowledge of" is more appropriate. "Certain" implies a higher degree of assurance and specificity than "some". If your knowledge is limited or vague, "some" is the better choice.

Linguistic Context

The phrase "have certain knowledge of" functions as a verb phrase indicating possession of specific and verifiable information. As Ludwig AI confirms, it is a standard English expression.

Expression frequency: Common

Frequent in

Science

40%

News & Media

30%

Academia

20%

Less common in

Encyclopedias

5%

Wiki

3%

Formal & Business

2%

Ludwig's WRAP-UP

The phrase "have certain knowledge of" is a grammatically correct and frequently used expression to convey the possession of specific and verifiable information. As Ludwig AI confirms, it's commonly employed across diverse fields such as science, news, and academia. Its function is to assert confidence in one's understanding based on facts, distinguishing it from mere speculation. While the phrase maintains a generally neutral register, it exhibits a leaning toward formality, particularly evident in professional and intellectual discourse. When employing this expression, it's essential to ensure that the conveyed knowledge is indeed grounded in facts and evidence, avoiding confusion with less assured or vaguer understanding.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

possess definite knowledge of

Replaces "have certain" with "possess definite", emphasizing ownership and clarity of knowledge.

hold specific knowledge regarding

Uses "hold specific knowledge regarding" to convey a formal sense of possessing particular information.

be well-informed about

Emphasizes the state of being knowledgeable, focusing on the extent of information.

have a firm grasp on

Indicates a strong understanding, shifting the focus to comprehension rather than mere possession of knowledge.

be acquainted with

Suggests familiarity and awareness, implying a less rigorous level of knowledge.

have insights into

Highlights understanding that goes beyond the surface level, emphasizing deeper comprehension.

have awareness of

Indicates a general understanding without necessarily implying detailed knowledge.

understand clearly

Focuses on the clarity of understanding rather than the certainty of knowledge.

have a handle on

Suggests being able to manage or control something due to knowledge, implying a practical application.

be versed in

Conveys comprehensive knowledge of a particular subject, often suggesting expertise.

FAQs

How can I use "have certain knowledge of" in a sentence?

You can use "have certain knowledge of" to indicate that you possess specific and definite information about a subject. For example, "Scientists have certain knowledge of the effects of climate change".

What phrases are similar to "have certain knowledge of"?

Similar phrases include "possess definite knowledge of", "hold specific knowledge regarding", or "be well-informed about" depending on the context.

Is it better to say "have certain knowledge of" or "have some knowledge of"?

"Have certain knowledge of" implies a higher degree of assurance and specificity. Use "have some knowledge of" if your understanding is limited or incomplete.

What's the difference between "have certain knowledge of" and "be aware of"?

"Have certain knowledge of" suggests a deeper and more factual understanding, while "be aware of" indicates a general understanding or consciousness of something.