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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
unsound reasoning
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "unsound reasoning" is correct and usable in written English.
It can be used to describe a line of thought or argument that is flawed or lacks logical validity. Example: "The conclusion drawn from the data was based on unsound reasoning, leading to incorrect assumptions."
✓ Grammatically correct
News & Media
Science
Alternative expressions(19)
fallacious reasoning
Unsound reasoning
flawed logic
invalid reasoning
faulty reasoning
specious reasoning
defective reasoning
unfounded conclusions
baseless arguments
faulty logic
flawed reasoning
bad reasoning
poor reasoning
misguided reasoning
erroneous reasoning
unsound logic
mistaken reasoning
improper reasoning
inadequate reasoning
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
4 human-written examples
Unsound Reasoning.
News & Media
In other words, a student's misconceptions and unsound reasoning might be masked by a scientifically supported claim.
Incompleteness may be an unfortunate affair but lack of soundness is a truly problematic situation since an unsound reasoning program would be able to generate false conclusions from perfectly true information.
Science
I've noticed a lot of arguments on the Internet run aground due to unsound reasoning.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
His reasoning's unsound and Miliband's found Brand rants like a mule or an ass debates.
News & Media
Mr. Bush's swift rejection of the proposal was a disappointment on civic grounds, a political mistake and unsound as to his reasoning that a manual recount would be "arbitrary and chaotic".
News & Media
Of course, even if Williams' reasoning is unsound, the conclusion could still be correct, and others have offered different routes to it.
Science
This reasoning isn't unsound.
News & Media
In addition, the conclusions of moral psychology can have substantive moral implications, for it may be reasonable to assume that if there are deep reasons that a given type of moral reasoning cannot be practical, then any principles that demand such reasoning are unsound.
Science
Note that this parity argument via a reductio ad absurdum, if successful, would show that the ontological argument is unsound, but without indicating which premise or which step in the reasoning is at fault.
Science
Any moral mistake in the reasoning leading to a legal principle might render the conclusion about the principle unsound, and the principle itself thus not legally valid.
Science
Expert writing Tips
Best practice
When criticizing someone's viewpoint, use "unsound reasoning" to address the logic directly rather than attacking the person. This maintains a professional tone.
Common error
Avoid using "unsound reasoning" when the issue is simply a lack of information, not a flaw in the logic itself. Instead, focus on the incomplete data or missing evidence.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "unsound reasoning" functions as a noun phrase, where 'unsound' modifies 'reasoning'. It describes a process of thinking or arguing that is flawed or logically invalid. Ludwig AI confirms its usability in written English.
Frequent in
News & Media
50%
Science
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "unsound reasoning" is a grammatically correct and usable phrase that describes flawed or logically invalid thinking. Ludwig AI's analysis indicates that the phrase, while not exceedingly common, appears across diverse contexts, predominantly in news, media and scientific publications. When employing this phrase, ensure that the deficiency lies in the logical structure itself, not merely in a lack of data. Alternatives include "flawed logic" or "fallacious reasoning", offering nuanced ways to express similar concepts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
flawed logic
Replaces 'reasoning' with 'logic', emphasizing the structural defect in the argument.
fallacious reasoning
Adds a formal tone and highlights the deceptive nature of the faulty reasoning.
faulty reasoning
Similar to "unsound reasoning" but with a slightly different emphasis on the presence of errors.
weak argumentation
Shifts focus from the reasoning process to the overall strength of the argument.
invalid reasoning
Highlights that the reasoning does not follow valid logical principles.
specious reasoning
Indicates that the reasoning appears correct but is actually false or misleading.
illogical thinking
Shifts the focus to the thought process itself, rather than the specific reasoning used.
defective reasoning
Emphasizes the presence of specific flaws that render the reasoning unreliable.
unfounded conclusions
Focuses on the lack of a solid basis for the conclusions reached.
baseless arguments
Emphasizes that arguments lack factual support or valid inferences.
FAQs
How can I use "unsound reasoning" in a sentence?
You can use "unsound reasoning" to describe arguments or conclusions that are based on flawed logic. For example, "The proposal was rejected due to "unsound reasoning"".
What is a more formal synonym for "unsound reasoning"?
A more formal synonym for "unsound reasoning" is "fallacious reasoning". This term is often used in academic or legal contexts.
What is the difference between "unsound reasoning" and "incorrect reasoning"?
"Unsound reasoning" implies a fundamental flaw in the logic used, while "incorrect reasoning" simply indicates that the reasoning led to a wrong conclusion. "Unsound reasoning" is about the process, while incorrect reasoning is about the outcome.
What are some alternatives to using the phrase "unsound reasoning"?
Depending on the context, you could use alternatives such as "flawed logic", "weak argumentation", or "invalid reasoning".
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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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested