Law of excluded middle
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| - | :''[[first principle]], [[pleasure principle]]'' | ||
| - | A '''principle''' signifies a point (or points) of probability on a subject (e.g., the principle of creativity), which allows for the formation of [[rule]] or [[norm (philosophy)|norm]] or law by (human) interpretation of the phenomena (events) that can be created. The rules, norms and laws depend on and co-create a particular context to formulate. A principle is the underlying part (or spirit) of the basis for an evolutionary normative or formative development, which is the object of subjective experience and/or interpretation. For example, the [[ethics]] of someone may be seen as a set of principles that the individual obeys in the form of rules, as guidance or law. These principles thus form the basis for such ethics. | ||
| - | Reducing a rule to its principle says that, for the purpose at hand, the principle will not / cannot be questioned or further derived (unless you create new rules). This is a convenient way of reducing the complexity of an argumentation. | + | In [[logic]], The '''law of excluded middle''', also known as the '''Principle of excluded middle''' or '''excluded middle''' is the principle that for any [[proposition]], either that proposition is true, or its [[negation]] is. The principle can be expressed in either a logical or a semantical form. The semantical form uses the non-logical word "true", as above. |
| + | == See also == | ||
| + | * [[Laws of thought]] | ||
| + | * [[Logical graph]]s – Graphical syntax for propositional logic | ||
| + | * [[Peirce's law]] – Another way of turning intuition classical | ||
| + | * [[Law of bivalence]] | ||
| - | The point of principle allows to create all probable versions under its subjective theme, as its reality creation/evolvement under that subject is open-ended and unpredictable relying on choice and option. Rules and laws capture a consensus that certain actions and events will occur under a principle (or a combination of principles). | ||
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| - | A principled view for example, implies that an individual has a firm understanding of the underlying principle(s) of events and the rules and laws which govern them inherently and according to our consensus. | ||
| - | ==See also== | ||
| - | *[[Axiom]] | ||
| - | *[[Corollary]] | ||
| - | *[[Deduction]] | ||
| - | *[[Law of excluded middle]] | ||
| - | *[[Law of noncontradiction]] | ||
| - | *[[Logical consequence]] | ||
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In logic, The law of excluded middle, also known as the Principle of excluded middle or excluded middle is the principle that for any proposition, either that proposition is true, or its negation is. The principle can be expressed in either a logical or a semantical form. The semantical form uses the non-logical word "true", as above.
See also
- Laws of thought
- Logical graphs – Graphical syntax for propositional logic
- Peirce's law – Another way of turning intuition classical
- Law of bivalence
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