Used and loved by millions
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
propositions are needed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "propositions are needed" is correct and usable in written English.
You can use it when discussing the necessity of certain ideas or statements in a particular context, such as in a debate or academic paper. Example: "In order to advance our argument, we must acknowledge that propositions are needed to support our claims."
✓ Grammatically correct
Science
News & Media
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
3 human-written examples
Whether propositions are needed for the semantics of natural language is a matter of continuing dispute.
Science
Thus, it has been suggested, less in print perhaps than in conversation, that propositions are needed to play the role of being what synonymous sentences have in common, what a sentence and its translation into another language have in common, etc. Arguments of this sort are typically met with the following reply: commonalties do not necessarily require common relations to a single entity.
Science
Centered propositions are needed to adequately represent self-locating beliefs such as Sophia's belief that she lives in Vienna, which may well be different from her belief that Sophia lives in Vienna (these two beliefs differ if Sophia does not believe that she is Sophia).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
The following definition and proposition are needed for the main results of the paper.
The tribes are emphasizing in advertisements that approval of the proposition is needed to prevent the shutdown of existing casinos, which have allowed the tribes to escape poverty.
News & Media
The following technical proposition is needed to show an analogue to the main result in [25].
The following proposition is needed for a proof of Theorem 3.2.
The following proposition is needed to prove the main theorems in this article.
To present a proof of Theorem 2.2, the following proposition is needed.
A serious thought and thorough examination of this proposition is needed since, if proved to be correct, it can change the line of treatment of metabolic disorders substantially.
Science
The following proposition and definitions are needed for the main results of this section.
Expert writing Tips
Best practice
When using the phrase "propositions are needed", ensure the context clearly defines what kind of propositions are being referred to. This avoids ambiguity and strengthens your argument.
Common error
Avoid using "propositions are needed" in casual conversation or informal writing. More direct and simpler phrases are often more appropriate in such settings.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "propositions are needed" is to assert the necessity of particular statements or ideas. It's a passive construction, emphasizing the need for propositions rather than who needs them. Ludwig AI confirms that it is correct and usable in written English.
Frequent in
Science
50%
News & Media
30%
Encyclopedias
20%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "propositions are needed" is grammatically correct and usable, as confirmed by Ludwig AI. It serves to emphasize the necessity of specific statements or ideas, particularly in formal, scientific, and academic contexts. While the phrase is somewhat uncommon, it conveys a sense of importance and indispensability when constructing arguments or developing theories. When employing "propositions are needed", ensure clarity about the type of propositions being referenced to prevent ambiguity. For less formal settings, alternatives such as "statements are necessary" or "ideas are vital" may be more appropriate. The phrase finds its usage in various authoritative sources like the SEP, The New York Times, and BMC Evolutionary Biology, demonstrating its validity in diverse contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
statements are necessary
Replaces "propositions" with "statements" and "needed" with "necessary", slightly altering the emphasis.
theories are required
Substitutes "propositions" with "theories" and "needed" with "required", implying a more formal or academic context.
hypotheses are essential
Replaces "propositions" with "hypotheses" and "needed" with "essential", suggesting a scientific or investigative context.
ideas are vital
Uses "ideas" instead of "propositions" and "vital" in place of "needed", making the phrase more general and less formal.
assertions are crucial
Substitutes "propositions" with "assertions" and "needed" with "crucial", indicating a strong need for certain claims.
assumptions are indispensable
Replaces "propositions" with "assumptions" and "needed" with "indispensable", highlighting the critical nature of underlying beliefs.
arguments are warranted
Uses "arguments" instead of "propositions" and "warranted" in place of "needed", implying a need for justification.
claims are requisite
Substitutes "propositions" with "claims" and "needed" with "requisite", suggesting a formal or legal context.
theses are imperative
Replaces "propositions" with "theses" and "needed" with "imperative", emphasizing the urgency or importance of certain arguments.
proposals are called for
Substitutes "needed" with the phrasal verb "called for", implying a demand or request for certain suggestions.
FAQs
How can I use "propositions are needed" in a sentence?
You can use "propositions are needed" to emphasize the necessity of certain statements or ideas within a specific context. For example, "In order to build a strong legal defense, clear and consistent propositions are needed".
What's a simpler alternative to "propositions are needed"?
Simpler alternatives include phrases like "statements are necessary" or "ideas are vital". The best choice depends on the specific context and the level of formality required.
In what situations is it most appropriate to use "propositions are needed"?
This phrase is suitable for formal writing, academic discussions, or any situation where you need to emphasize the importance of having specific and well-defined statements. Consider alternatives like "statements are necessary" or "ideas are vital" for less formal settings.
Are there any contexts where "propositions are needed" would be inappropriate?
Yes, in casual conversations or informal writing, using "propositions are needed" can sound overly formal or pretentious. Opt for simpler, more direct language in those situations.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested