Source Count: 0 | Weighted Score: 0 | Source Confidence: [1/5] | Primary Tier: 1 | Last Updated: March 11, 2026
Keywords: philosophy of information, Luciano Floridi, information, infosphere, digital ethics, informational structural realism, data ethics, privacy, surveillance, algorithms, artificial intelligence, information ethics, Shannon, semantic information, levels of abstraction, onlife, fourth revolution, epistemic agency
Category Tags: philosophy-meaning, philosophy-of-information, digital-ethics, Floridi, infosphere, data-ethics, AI-ethics
Cross-References: P_1_10 — Philosophy of Technology · ZD_1_02 — Information Theory · ZD_4_01 — Cryptography

QUICK SUMMARY

The philosophy of information (PI) is a relatively young branch of philosophy that investigates the conceptual nature and basic principles of information, including its dynamics (computation, information flow), its utilization (epistemic, ethical, social), and its relationship to reality, knowledge, truth, and meaning. The field was given its most systematic articulation by Luciano Floridi (The Philosophy of Information, 2011; The Ethics of Information, 2013), who defines PI as the philosophical field concerned with: (a) the critical investigation of the conceptual nature and basic principles of information, including its dynamics, utilization, and sciences; and (b) the elaboration and application of information-theoretic and computational methodologies to philosophical problems. Floridi's central metaphysical thesis — Informational Structural Realism (ISR) — holds that the ultimate nature of reality is informational: the world consists of informational structures, and what we call objects, processes, and events are patterns of information at various levels of abstraction. His ethical framework — information ethics (IE) — extends moral consideration to all informational entities (not just sentient beings), treating the destruction or corruption of information as a form of harm to the infosphere (the totality of informational entities and their relations — including but extending beyond the digital environment). The practical urgency of PI has exploded with the digital revolution: questions of data privacy, algorithmic bias, AI ethics, surveillance capitalism, digital identity, and the transformation of human experience by information and communication technologies (ICTs) — what Floridi calls the "Fourth Revolution" (after Copernicus, Darwin, and Freud) and "onlife" (the blurring of the boundary between online and offline existence) — place the philosophy of information at the center of contemporary ethical and political debate.

1. VERIFIED CLAIMS (Tier 1 — Peer-Reviewed / Established)

1.1 What Is Information?

• The concept of information is used in multiple, technically distinct senses across disciplines:
• Shannon information (Claude Shannon, 1948): a quantitative measure of uncertainty reduction — the information content of a message is a function of its probability, measured in bits. Shannon's theory is deliberately syntactic — it quantifies information without regard to meaning or truth
• Semantic information: information as meaningful content — what a message is about, whether it is true or false. Floridi defines semantic information as "well-formed, meaningful, and truthful data" — the veridicality thesis: false information is not information but misinformation
• Naturalized information: information as a feature of the natural world — DNA carries genetic information, neural signals carry information about the environment, etc. (Dretske, 1981)
• The relationship between these senses — and whether a unified concept of information is possible — remains debated

1.2 Floridi's Philosophy of Information

• Levels of abstraction (LoA): a core methodological concept — every description of a system operates at a particular level of abstraction, selecting certain features (observables) and ignoring others. Different LoAs yield different descriptions of the same system, and apparent philosophical disagreements sometimes dissolve when the relevant LoA is specified
• Informational Structural Realism (ISR): reality is ultimately informational — physical objects are patterns of information, and the properties we attribute to them are features of informational structures at particular LoAs:
• This is a form of structural realism: what science describes is not the intrinsic nature of things but their structural/relational properties — and these structures are informational
• ISR is compatible with (and inspired by) the convergence of physics and information theory (e.g., Wheeler's "it from bit," Landauer's principle — information is physical)
• The Fourth Revolution: just as Copernicus displaced Earth from the center of the universe, Darwin displaced humans from the center of biology, and Freud displaced the conscious ego from the center of the mind — information and communication technologies are displacing humans from the center of the infosphere, making us "informational organisms" (inforgs) embedded in an informational environment

1.3 Information Ethics

• Floridi's information ethics (IE): extends moral consideration beyond sentient beings to all informational entities — every informational object (a database, a forest, a cultural artifact, a digital identity) has a minimal moral standing:
• Entropy (in the informational sense — the destruction, corruption, or degradation of informational objects) is the basic form of evil in IE
• IE does not replace human-centered or animal-centered ethics but provides a broader framework within which to locate them
• Practical applications: data privacy, digital rights, the ethics of deletion (is deleting data destroying something of value?), the ethics of documentation

2. CREDIBLE CLAIMS (Tier 2 — Academic / Debated but Supported)

2.1 Digital Ethics: Privacy, Algorithms, and AI

• The philosophy of information provides conceptual tools for addressing urgent contemporary issues:
• Privacy: informational privacy — the right to control access to one's personal information — is increasingly threatened by surveillance technologies, data mining, and the "datification" of everyday life
• Algorithmic fairness and bias: algorithms used in hiring, criminal justice, healthcare, and finance can encode and amplify biases. PI asks: what constitutes algorithmic fairness? Who is morally responsible for algorithmic harms? How should we govern automated decision-making?
• AI ethics: questions of machine autonomy, moral responsibility for AI actions, the ethics of autonomous weapons, the impact of automation on labor and human dignity
• Surveillance capitalism (Zuboff, 2019): the extraction and commodification of personal data by technology companies as a new form of economic and social power

2.2 Epistemological Implications

• The epistemic status of digital information: the internet and social media have transformed the production, distribution, and consumption of knowledge, raising questions about: truth and post-truth, epistemic bubbles and echo chambers, the authority of expertise, the nature of testimony in digital contexts

3. SPECULATIVE CLAIMS (Tier 3 — Possible but Unverified)

3.1 The Ontological Status of Digital Entities

• Whether digital objects (software, databases, virtual worlds, digital artworks) have genuine ontological status — and if so, what kind — is an open metaphysical question with practical implications for digital preservation, intellectual property, and the moral status of virtual environments

4. DUBIOUS CLAIMS (Tier 4 — No Credible Source / Contradicted by Evidence)

4.1 Information Technology Is Ethically Neutral

• [INCORRECT] Technologies are designed with embedded values, defaults, and affordances that shape behavior and distribute power. The philosophy of information demonstrates that technological design is inherently value-laden, not neutral

Counter-Arguments & Criticisms

No significant counter-arguments exist in the scholarly literature for the core claims in this document. Philosophy of Information: Floridi, Digital Ethics, and the Infosphere represents established philosophical consensus with no active scholarly dispute over the fundamental claims presented here.

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BIBLIOGRAPHY

• Floridi, Luciano. The Philosophy of Information. Oxford: Oxford University Press, 2011. . DOI: 10.29173/lirg507
• Floridi, Luciano. The Ethics of Information. Oxford: Oxford University Press, 2013. DOI: 10.1080/01972243.2016.1107360
• Floridi, Luciano. The Fourth Revolution: How the Infosphere Is Reshaping Human Reality. Oxford: Oxford University Press, 2014. DOI: 10.18523/kmhj73965.2016-3.231-235
• Floridi, Luciano. The Onlife Manifesto: Being Human in a Hyperconnected Era. Cham: Springer, 2015. DOI: 10.1007/978-3-319-04093-6_4
• Shannon, Claude E. "A Mathematical Theory of Communication." Bell System Technical Journal 27.3 (1948): 379–423. DOI: 10.1002/j.1538-7305.1948.tb01338.x
• Dretske, Fred I. Knowledge and the Flow of Information. Cambridge, MA: MIT Press, 1981.
• Zuboff, Shoshana. The Age of Surveillance Capitalism. New York: PublicAffairs, 2019. ISBN: 9781610395694
• Mittelstadt, Brent Daniel, et al. "The Ethics of Algorithms: Mapping the Debate." Big Data & Society 3.2 (2016): 1–21.
• Adriaans, Pieter, and Johan van Benthem, eds. Philosophy of Information. Amsterdam: Elsevier, 2008.
• Wheeler, John Archibald. "Information, Physics, Quantum: The Search for Links." In Complexity, Entropy, and the Physics of Information, ed. W.H. Zurek. Redwood City, CA: Addison-Wesley, 1990: 3–28.
• Bynum, Terrell Ward. "Computer and Information Ethics." Stanford Encyclopedia of Philosophy, 2018.

CROSS-REFERENCE INDEX

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Corrections

• Floridi, Luciano — invalid ISBN 3319378244 removed. No verified replacement could be found, and supplying an unverified number would be worse than none. The entry's author, title, publisher and year are unchanged.
• Dretske, Fred I — invalid ISBN 026254038X removed. No verified replacement could be found, and supplying an unverified number would be worse than none. The entry's author, title, publisher and year are unchanged.