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- Logical_possibility abstract "A logically possible proposition is one which is consistent with the axioms of a given system of logic. In other words, the logical possibility of a proposition will depend on the system of logic being considered, rather than violation of any single rule. Some systems of logic tolerate inconsistent propositions or even true contradictions, while other logical systems have truth-value gaps instead of a binary of such values. However, when talking about logical possibility it is often understood that the system in question is classical propositional logic.Logical possibility should be distinguished from other sorts of subjunctive possibilities. For example, it may be logically possible for the universe's physical laws to be different from what they actually are. If it is, then many things which we would normally consider to be demonstrably impossible can be logically possible: for example, traveling faster-than-light might be possible or escaping from black holes is not impossible. Many philosophers, then, have held that these scenarios are logically possible but nomologically impossible (impossible under the actual laws of nature).With this understanding of logical possibility in mind, other logical modalities may be defined in terms of it: a proposition is logically necessary if it is not logically possible for it to be false within some system of logic, logically impossible if it is not logically possible for it to be true in a system of logic, and logically contingent if it is logically possible for it to be true and logically possible for it to be false in some system of logic. Logical possibility can be further distinguished from metaphysical possibility, as the former refers to what is permissible in a system of logic, while the latter concerns what can be true at (or exist in) some possible world. Given the aforementioned description of logical possibility, some propositions can be logically possible (in a system of logic) and yet metaphysically impossible, or even logically impossible (in a system of logic) and yet be true of the world.".
- Logical_possibility wikiPageExternalLink lewis.htm.
- Logical_possibility wikiPageID "394008".
- Logical_possibility wikiPageLength "3015".
- Logical_possibility wikiPageOutDegree "17".
- Logical_possibility wikiPageRevisionID "702831096".
- Logical_possibility wikiPageWikiLink Category:Modal_logic.
- Logical_possibility wikiPageWikiLink Category:Possibility.
- Logical_possibility wikiPageWikiLink Dialetheism.
- Logical_possibility wikiPageWikiLink Faster-than-light.
- Logical_possibility wikiPageWikiLink Many-valued_logic.
- Logical_possibility wikiPageWikiLink Modal_logic.
- Logical_possibility wikiPageWikiLink Paraconsistent_logic.
- Logical_possibility wikiPageWikiLink Paradox.
- Logical_possibility wikiPageWikiLink Physical_law.
- Logical_possibility wikiPageWikiLink Possibility_theory.
- Logical_possibility wikiPageWikiLink Possible_world.
- Logical_possibility wikiPageWikiLink Principle_of_bivalence.
- Logical_possibility wikiPageWikiLink Propositional_calculus.
- Logical_possibility wikiPageWikiLink Subjunctive_possibility.
- Logical_possibility wikiPageWikiLink Universe.
- Logical_possibility wikiPageWikiLinkText "Logical possibility".
- Logical_possibility wikiPageWikiLinkText "Possibility".
- Logical_possibility wikiPageWikiLinkText "Possible propositions".
- Logical_possibility wikiPageWikiLinkText "feasibility".
- Logical_possibility wikiPageWikiLinkText "feasible".
- Logical_possibility wikiPageWikiLinkText "impossibilities".
- Logical_possibility wikiPageWikiLinkText "key part".
- Logical_possibility wikiPageWikiLinkText "logical possibility".
- Logical_possibility wikiPageWikiLinkText "logically cannot".
- Logical_possibility wikiPageWikiLinkText "logically possible".
- Logical_possibility wikiPageWikiLinkText "mathematically impossible".
- Logical_possibility wikiPageWikiLinkText "necessary".
- Logical_possibility wikiPageWikiLinkText "possibility".
- Logical_possibility wikiPageWikiLinkText "possible".
- Logical_possibility wikiPageUsesTemplate Template:Essay-like.
- Logical_possibility wikiPageUsesTemplate Template:Multiple_issues.
- Logical_possibility wikiPageUsesTemplate Template:One_source.
- Logical_possibility wikiPageUsesTemplate Template:Original_research.
- Logical_possibility subject Category:Modal_logic.
- Logical_possibility subject Category:Possibility.
- Logical_possibility comment "A logically possible proposition is one which is consistent with the axioms of a given system of logic. In other words, the logical possibility of a proposition will depend on the system of logic being considered, rather than violation of any single rule. Some systems of logic tolerate inconsistent propositions or even true contradictions, while other logical systems have truth-value gaps instead of a binary of such values.".
- Logical_possibility label "Logical possibility".
- Logical_possibility sameAs Q781546.
- Logical_possibility sameAs Möglichkeit.
- Logical_possibility sameAs Loogiline_võimalikkus.
- Logical_possibility sameAs Mahdollisuus.
- Logical_possibility sameAs Possibilité_et_impossibilité.
- Logical_possibility sameAs Kemungkinan_logis.
- Logical_possibility sameAs Possibilidade_Lógica.
- Logical_possibility sameAs m.0231y5.
- Logical_possibility sameAs Возможность.
- Logical_possibility sameAs Мөмкинлек.
- Logical_possibility sameAs Можливість.
- Logical_possibility sameAs Q781546.
- Logical_possibility wasDerivedFrom Logical_possibility?oldid=702831096.
- Logical_possibility isPrimaryTopicOf Logical_possibility.