Concept
Law of noncontradiction
Overview
theorem of logic
Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).
Possible passages
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Any such select set is called the set of postulates, or premises, from which the reasoning proceeds. The reasoning is nothing else than the exhibition of the whole pattern of general conditions involved in the pattern derived from the selected postulates.
Alfred North Whitehead, Science and the modern world
States what Law of noncontradiction is; the author is tied to Law of noncontradiction in the knowledge graph.
Can we isolate reason, and, if so, is it in this case a peculiar source of conceptions and judgements which spring from it alone, and through which it can be applied to objects; or is it merely a subordinate faculty, whose duty it is to give a certain form to given cognitions—a form which is called logical, and through which the cognitions of the understanding are subordinated to each other, and lower rules to…
Immanuel Kant, The Critique of Pure Reason
States what Law of noncontradiction is; the author is tied to Law of noncontradiction in the knowledge graph.
In both these cases, and in many others, we shall appeal to a certain principle called "the principle of abstraction." This principle, which might equally well be called "the principle which dispenses with abstraction," and is one which clears away incredible accumulations of metaphysical lumber, was directly suggested by mathematical logic, and could hardly have been proved or practically used without its help. The…
Bertrand Russell, Our Knowledge of the External World as a Field for Scientific Method in Philosophy
The author is tied to Law of noncontradiction in the knowledge graph.
Philosophers who discussed Law of noncontradiction
- Avicenna
- Je Tsongkhapa
- Heraclitus
- Lev Shestov
- Christian Wolff (philosopher)
- Parmenides
- Leonard Peikoff
- Quentin Meillassoux
- Joseph Margolis
- Paul Copan
Related ideas
- Francisco Suárez
- Madhvacharya
- Brahma Sutras
- Principle of sufficient reason
- Gottfried Wilhelm Leibniz
- Georg Wilhelm Friedrich Hegel
- Heraclitus
- Immanuel Kant
- Republic (Plato)
- Negation
- Liar paradox
- Propositional logic
- Indian logic
- Thomas Aquinas
- Nagarjuna
- Ontology
- Reductio ad absurdum
- Plato
- Mahavira
- University of Pittsburgh
- Protagoras
- Principia Mathematica
- Paradox
- Socrates
Opposing perspectives
Place in the tradition
Part of Analytic philosophy.