logic
thumb|alt=Depiction of inference using modus ponens|Logic studies valid forms of inference like .
AI overview
Logic is the study of valid forms of reasoning that allow us to draw reliable conclusions from what we already know. It matters because understanding logic helps us think clearly and accurately, distinguishing between arguments that genuinely support their conclusions and those that don't.
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Research
68,137 papersvia PubMed
Wikidata facts
- Image
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Article
39 sectionsContents
- Definition
- Formal logic
- Informal logic
- Basic concepts
- Premises, conclusions, and truth
- Premises and conclusions
- Internal structure
- Logical truth
- Truth tables
- Arguments and inferences
- Deductive
- Ampliative
- Fallacies
- Definitory and strategic rules
- Formal systems
- Systems of logic
- Aristotelian
- Classical
- Propositional logic
- First-order logic
- Extended
- Modal logic
- Higher order logic
- Deviant
- Informal
- Areas of research
- Philosophy of logic and philosophical logic
- Metalogic
- Mathematical logic
- Computational logic
- Formal semantics of natural language
- Epistemology of logic
- History
- See also
- References
- Notes
- Citations
- Bibliography
- External links
thumb|alt=Depiction of inference using modus ponens|Logic studies valid forms of inference like .
Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure of arguments alone, independent of their topic and content. Informal logic is associated with informal fallacies, critical thinking, and argumentation theory. Informal logic examines arguments expressed in natural language whereas formal logic uses formal language. When used as a countable noun, the term "a logic" refers to a specific logical formal system that articulates a proof system. Logic plays a central role in many fields, such as philosophy, mathematics, computer science, and linguistics.