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
A valid argument
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "A valid argument" is correct and usable in written English.
It can be used when discussing reasoning, logic, or debate to indicate that an argument is sound or acceptable based on its premises and conclusions. Example: "In the context of this debate, we must ensure that each participant presents a valid argument to support their position."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(3)
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
An inference is monotonic iff adding arbitrary new premises to a valid argument does not affect its validity.
Science
Yes, that's a valid argument.
News & Media
Is that a valid argument?
News & Media
That's a valid argument.
Academia
He made a valid argument.
News & Media
They feel they have a valid argument.
News & Media
But amid the cliches there is a valid argument.
News & Media
Yeah, I mean, that is also a valid argument.
News & Media
3. Which of the following could a valid argument have?
News & Media
"This is not a valid argument," Nutan responds.
News & Media
So it is not a valid argument to use.
News & Media
Expert writing Tips
Best practice
When presenting "A valid argument", ensure your premises are clearly stated and logically connected to the conclusion. A strong argument relies on both validity and soundness.
Common error
Avoid assuming that "A valid argument" is necessarily true. An argument can be valid in its structure but still have a false conclusion if its premises are false.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "A valid argument" functions as a noun phrase, often serving as the subject or object of a sentence. Ludwig confirms its correct and frequent usage in various contexts.
Frequent in
News & Media
48%
Academia
28%
Science
24%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "A valid argument" is a frequently used and grammatically sound expression that signifies a logically correct argument. Ludwig's analysis indicates it appears most often in news, academic, and scientific contexts. While "A valid argument" implies logical coherence, it doesn't guarantee a true conclusion, as the premises themselves might be false. Related phrases include "a sound argument" and "a well-reasoned argument", each carrying slightly different nuances. When using this phrase, ensure that your premises are clearly stated and logically connected to the conclusion to build a strong and persuasive case.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
A sound argument
Replaces "valid" with "sound", suggesting an argument that is not only logically correct but also based on true premises.
A logical argument
Emphasizes the logical structure and coherence of the argument.
A well-reasoned argument
Highlights the quality of reasoning used to construct the argument.
A compelling argument
Suggests that the argument is persuasive and convincing.
A cogent argument
Similar to "compelling", but focuses on the clarity and persuasiveness of the argument.
A defensible argument
Indicates that the argument can be supported and justified against criticism.
A tenable argument
Suggests the argument is maintainable and can withstand scrutiny.
A legitimate argument
Implies that the argument is in accordance with established rules, principles, or standards.
A reasonable argument
Highlights that the argument is sensible and based on good judgment.
A justifiable argument
Focuses on the argument being able to be justified and defended.
FAQs
What is the difference between a valid and a sound argument?
A valid argument has a correct logical structure, meaning that if the premises are true, the conclusion must also be true. A sound argument is both valid and has true premises, guaranteeing a true conclusion.
How can I identify "A valid argument"?
Check if the conclusion logically follows from the premises. If assuming the premises are true forces you to accept the conclusion, the argument is valid, regardless of whether the premises are actually true.
What are some synonyms for "A valid argument"?
Alternatives include "a sound argument", "a logical argument", or "a well-reasoned argument". The best choice depends on the specific context.
Can "A valid argument" have a false conclusion?
Yes, an argument can be valid even if its conclusion is false. This occurs when one or more of the premises are false. The validity of the argument only concerns the logical connection between premises and conclusion, not the actual truth of either.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested