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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
formal deduction
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "formal deduction" is correct and usable in written English.
It can be used in contexts related to logic, mathematics, or philosophy when discussing a structured process of reasoning or deriving conclusions from premises. Example: "In mathematics, formal deduction is essential for proving theorems and establishing truths based on axioms."
✓ Grammatically correct
Science
Encyclopedias
News & Media
Alternative expressions(4)
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
The functions are derived by formal deduction from the semantics of the programming language.
These featured devices such as pattern matching/transduction for analyzing and interpreting restricted subsets of English, knowledge in the form of relational hierarchies and attribute-value lists, and QA methods based on graph search, formal deduction protocols and numerical algebra.
Science
Chinese, Indian and Greek philosophers all developed structured methods of formal deduction in the first millennium BCE.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The integration of automated reasoning tools into such social systems would increase the effectiveness of their collective intelligence by supporting "the combination of precise formal deductions and the more informal loose interaction seen in mathematical practice" (Martin and Pease 2013, in Other Internet Resources).
Science
Long before the debate with Hilbert, Frege already held that logical rigor requires the use of formal systems of deduction, "formal" in the sense that all thoughts are expressed via precisely-determined sentences, and that all inference-rules and axioms are presented syntactically.
Science
It was only with the work of Gerhard Gentzen in the early 1930s (see Gentzen 1934 , 1935 that researchers in foundations were equipped with formal calculi of deduction that could do real justice to the actual structure of inferential dependencies within mathematical proofs.
Science
Some regarded it as a formal exercise in logical deduction, with no physical or philosophical significance, which employed ordinary words—such as 'straight' and 'plane' with a covertly changed meaning.
Science
However, where revenues from individual annual-premium-payments, monthly deductions from formal sector workers, and NHIA share from the value added taxation (VAT) are not enough to support the scheme, stakeholders should devise innovative ways of funding.
Science
Historical evidence suggests that a divide between Eastern and Occidental thinking has existed at least since ancient times, a tradition of adversarial debate, formal logical argument and analytic deduction flowering in Greece, while in China an appreciation for context and complexity, dialectical argument and a tolerance for the "yin and yang" of life flourished.
News & Media
In contrast with Kant, Hegel seems to go beyond a transcendental deduction of the formal conditions of experience and thought and to a deduction of their material conditions.
Science
Section 2 shows how free logic may be represented by each of three formal methods: axiom systems, natural deduction rules and tree rules.
Science
Expert writing Tips
Best practice
Use "formal deduction" when emphasizing a structured, rule-based approach to reasoning, especially in academic or technical contexts.
Common error
Avoid using "formal deduction" when describing intuitive or experience-based reasoning. "Formal deduction" implies a rigorous, step-by-step process based on established rules, unlike informal reasoning which relies on heuristics or personal knowledge.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "formal deduction" is as a noun phrase, often serving as the subject or object of a sentence. Ludwig's examples illustrate its role in describing a specific type of reasoning or derivation based on established rules.
Frequent in
Science
60%
Encyclopedias
20%
News & Media
20%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "formal deduction" is a noun phrase used to describe a structured and rule-based approach to reasoning. Ludwig AI identifies it as grammatically correct, though relatively rare in overall usage. It finds its home primarily in academic and scientific contexts, as it requires precise language. When writing, remember that it is best employed to highlight the rigor of deductive reasoning in technical or philosophical fields. When this is not the case, consider using alternatives such as ""logical inference"".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
logical inference
Focuses on the process of drawing conclusions based on logical principles.
deductive reasoning
Emphasizes the reasoning process from general to specific.
structured reasoning
Highlights the organized and systematic nature of the thought process.
systematic derivation
Underlines the step-by-step approach in arriving at a conclusion.
rigorous proof
Stresses the strict adherence to rules and principles in establishing truth.
mathematical proof
Specifies the field where the deduction takes place.
axiomatic derivation
Highlights that the deduction is performed by using axioms.
valid argument
Focuses on the validity of the argument presented.
precise inference
Highlights the precision of the conclusion reached.
theoretical derivation
Indicates that the deduction is related to the theory.
FAQs
How is "formal deduction" used in academic writing?
In academic writing, "formal deduction" is used to describe a rigorous process of reasoning from axioms and established rules to reach logically sound conclusions. It's often found in mathematics, philosophy, and computer science.
What is the difference between "formal deduction" and "deductive reasoning"?
"Formal deduction" emphasizes the structured and rule-based aspect of the deductive process. While "deductive reasoning" is a broader term, "formal deduction" implies a more rigorous and symbolic approach.
When is it appropriate to use "formal deduction"?
Use "formal deduction" when the reasoning process is explicitly based on predefined rules and axioms, and the conclusions are logically derived from these premises. It's suitable for describing mathematical proofs, logical arguments, and computer algorithms.
What are some alternatives to "formal deduction"?
Depending on the context, you could use alternatives like "logical inference", "structured reasoning", or "systematic derivation" to convey similar meanings with slightly different emphases.
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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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested