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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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which therefore

Grammar usage guide and real-world examples

USAGE SUMMARY

"which therefore" is a correct and usable phrase in written English.
It is a transition word that is used to draw a logical conclusion from something that was said before. Example: We have too little time to complete the project, which therefore means that we have to work overtime.

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Which therefore makes this tour the very worst ever.

This underpins Liam Byrne's Robbins Rebooted report, which therefore must be applauded.

News & Media

The Guardian

It was in a book – which therefore made it sacred, true, and brimming with mystery.

"These difficult conditions can be described as exceptional conditions, which therefore require exceptional measures," he said.

News & Media

The Guardian

My dedication to that which defines me, which therefore defined you, will never waver.

News & Media

The New York Times

Eos made him immortal, yet subject to the depredations of time, which therefore parts the lovers.

Ct. 224, 65 L. Ed. ——, which therefore disposes of that question as presented here.

He shows the link between incarceration and unemployment, which therefore leads to inequality.

That's economese for payments that aren't contingent on the recipient's actions, and which therefore give no incentive for changed behavior.

News & Media

The New York Times

McCue has called Flipboard adverts "a new kind of ad unit", which therefore may take time to bed in.

News & Media

The Guardian

Such structures are not possible in small craft, which therefore require charts of a more convenient size.

Encyclopedias

Britannica
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Expert writing Tips

Best practice

Use "which therefore" to clearly establish a cause-and-effect relationship between two clauses, ensuring your writing flows logically and is easily understood. It is especially useful in formal writing.

Common error

Avoid using "which therefore" excessively in casual writing. Simpler alternatives like "so" or "as a result" may be more appropriate for a less formal tone.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "which therefore" functions as a conjunctive adverbial phrase, linking two clauses where the second clause is a logical consequence of the first. It establishes a clear cause-and-effect relationship within a sentence. As confirmed by Ludwig AI, this structure is grammatically correct and widely recognized.

Expression frequency: Very common

Frequent in

News & Media

35%

Science

33%

Academia

17%

Less common in

Encyclopedias

5%

Formal & Business

5%

Reference

0%

Ludwig's WRAP-UP

In summary, "which therefore" is a grammatically sound and frequently used phrase functioning as a causal connector, indicating that one clause is a direct result of the other. As Ludwig AI confirms, its usage is correct and appropriate in various contexts. While very common in formal and academic settings, it appears less frequently in informal writing. The phrase is supported by numerous authoritative sources like The Guardian, The New York Times and Science publications, reinforcing its credibility. When aiming for conciseness or informality, consider alternatives such as "consequently", "as a result", or "thus".

FAQs

How can I use "which therefore" in a sentence?

Use "which therefore" to connect two clauses, where the second clause is a direct consequence of the first. For example, "The experiment yielded unexpected results, which therefore require further analysis."

What are some alternatives to "which therefore"?

You can use alternatives like "consequently", "as a result", or "thus" depending on the context and desired level of formality.

Is it redundant to use "therefore" after "which"?

While some consider it slightly formal, the phrase "which therefore" is grammatically correct and commonly used to emphasize the logical connection between clauses. Whether it sounds redundant depends on the specific context and personal preference.

What's the difference between "which therefore" and "and therefore"?

"Which therefore" introduces a consequence that is directly related to the preceding clause, acting as a relative clause. "And therefore" connects two independent clauses, indicating a consequence but with less direct dependency. For example: "The data was flawed, which therefore invalidated the study" vs. "The data was flawed, and therefore the study was invalidated".

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Source & Trust

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: