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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
theses are
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "these are" is correct and usable in written English.
You could use it to introduce a list of items or ideas that belong together in a sentence. For example, "These are the reasons why we should focus on reducing greenhouse gas emissions."
✓ Grammatically correct
Academia
News & Media
Science
Alternative expressions(2)
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
60 human-written examples
These theses are both versions of D1.
Science
All of these theses are dissociable from core associationist thought (see section 7).
Science
They defend both theses on the grounds that experiences can provide justification for beliefs only if these theses are true.
Science
Some of these theses are available online in the Systemic Thesis Archive: http://www.isfla.org/Systemics/Print/Theses.html.html
Science
But these two theses are difficult to reconcile.
Academia
Although these two theses are advanced separately, they are mutually coextensive.
Science
While perhaps not as tightly related as this reconstruction portrays, these several theses are clearly absolutely central to Davidson's philosophy of mind generally, and therefore Anomalous Monism.
Science
So the revised Academic interpretation suggests that these philosophical theses are not beliefs but 'reasonable' or tentative hypotheses that guide Arcesilaus' philosophical activity.
Science
However, given the epistemological status attributed to philosophy by Althusser, these metaphysical propositions or "theses" are true only insofar as they have explanatory or practical value.
Science
Theses are sagacious men.
News & Media
Doctoral theses are not graded.
Expert writing Tips
Best practice
When using "theses are", ensure that the noun "theses" clearly refers to a set of related arguments or propositions. For instance, "The central theses are supported by empirical evidence."
Common error
Avoid confusing "theses" with "thesis". Remember that "theses" is the plural form, used when referring to multiple arguments or propositions. Use "thesis" when referring to a single argument or proposition.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "theses are" functions as a subject-verb construction, introducing a set of arguments, propositions, or main ideas. It's used to present multiple points that will be further elaborated or defended. As evidenced by Ludwig, this construction serves to establish a foundation for subsequent discussion or analysis.
Frequent in
Academia
33%
News & Media
33%
Science
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "theses are" is a grammatically sound and frequently used construction, particularly within academic, news, and scientific contexts. Ludwig AI confirms its validity and provides numerous examples of its use. The phrase functions to introduce a set of arguments or propositions that will be further discussed or analyzed. While highly versatile, remember that "theses" is the plural form; be mindful to use the singular "thesis" when referring to one central idea. Consider using phrases like "the arguments are" or "the main points are" as alternatives to add variety to your writing. As Ludwig's examples demonstrate, its usage remains vital for clearly outlining core concepts across various domains.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
these theses are
Includes the adjective "these" for greater clarity.
the propositions are
Uses "propositions" instead of "theses", referring to specific statements being considered.
the arguments are
Replaces "theses" with "arguments", shifting the focus to the line of reasoning presented.
the hypotheses are
Suggests an experimental or exploratory nature of the claims made.
the assertions are
Emphasizes the claims being confidently stated.
the main points are
Emphasizes the key aspects or claims being discussed.
the key findings are
Highlights the significant discoveries or outcomes of a study.
the central ideas are
Refers to the core concepts being explored or presented.
the conclusions are
Focuses on the results or final thoughts derived from the research or discussion.
the principles are
Refers to fundamental rules or doctrines.
FAQs
How can I use "theses are" in a sentence?
Use "theses are" to introduce a list or explanation of multiple arguments or propositions. For example, "The main "theses are" that climate change is real and requires immediate action.
What is a good alternative to using "theses are"?
Alternatives include phrases like "the arguments are", "the central ideas are", or "the key points are", depending on the specific context and the nuance you want to convey. You can also use "these theses are" for greater clarity.
Is it correct to say "thesis are"?
No, "thesis are" is grammatically incorrect. "Thesis" is singular, so it should be paired with a singular verb, such as "thesis is". The plural form "theses" should be used with plural verbs like "are".
What's the difference between "theses are" and "the thesis is"?
"Theses are" refers to multiple main ideas or arguments, while "the thesis is" refers to a single, central argument or proposition. Therefore, "theses are" used with the plural form of the verb while thesis is used with singular verb.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested