About: Plausible reasoning

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Plausible reasoning is a method of deriving new conclusions from given known premises, a method different from the classical syllogistic argumentation methods of Aristotelian two-valued logic. The syllogistic style of argumentation is illustrated by the oft-quoted argument "All men are mortal, Socrates is a man, and therefore, Socrates is mortal." In contrast, consider the statement "if it is raining then it is cloudy." The only logical inference that one can draw from this is that "if it is not cloudy then it is not raining." But ordinary people in their everyday lives would conclude that "if it is not raining then being cloudy is less plausible," or "if it is cloudy then rain is more plausible." The unstated and unconsciously applied reasoning, arguably incorrect, that made people come t

Attributes	Values
rdf:type	software
rdfs:label	Plausible reasoning (en)
rdfs:comment	Plausible reasoning is a method of deriving new conclusions from given known premises, a method different from the classical syllogistic argumentation methods of Aristotelian two-valued logic. The syllogistic style of argumentation is illustrated by the oft-quoted argument "All men are mortal, Socrates is a man, and therefore, Socrates is mortal." In contrast, consider the statement "if it is raining then it is cloudy." The only logical inference that one can draw from this is that "if it is not cloudy then it is not raining." But ordinary people in their everyday lives would conclude that "if it is not raining then being cloudy is less plausible," or "if it is cloudy then rain is more plausible." The unstated and unconsciously applied reasoning, arguably incorrect, that made people come t (en)
foaf:depiction
dcterms:subject	Non-classical logic
Wikipage page ID	45465190 (xsd:integer)
Wikipage revision ID	1063015376 (xsd:integer)
Link from a Wikipage to another Wikipage	Deductive reasoning Allan M. Collins Defeasible reasoning Non-classical logic Addition Premise Qualification problem Aristotle Syllogism Mathematics and plausible reasoning Two-valued logic Intelligent tutoring systems
Link from a Wikipage to an external page	https://archive.org/details/readingsinuncert00shaf https://archive.org/details/probabilisticrea00pear%7Curl-access=registration%7Cdate=1988%7Cpublisher=Morgan
sameAs	Plausible reasoning Plausible reasoning Plausible reasoning
dbp:wikiPageUsesTemplate	dbt:Citation_needed dbt:Cite_book dbt:Reflist
thumbnail	wiki-commons:Special:FilePath/Methods_Of_Plausible_Resoning_by_George_Polya.png?width=300
has abstract	Plausible reasoning is a method of deriving new conclusions from given known premises, a method different from the classical syllogistic argumentation methods of Aristotelian two-valued logic. The syllogistic style of argumentation is illustrated by the oft-quoted argument "All men are mortal, Socrates is a man, and therefore, Socrates is mortal." In contrast, consider the statement "if it is raining then it is cloudy." The only logical inference that one can draw from this is that "if it is not cloudy then it is not raining." But ordinary people in their everyday lives would conclude that "if it is not raining then being cloudy is less plausible," or "if it is cloudy then rain is more plausible." The unstated and unconsciously applied reasoning, arguably incorrect, that made people come to their conclusions is typical of plausible reasoning. As another example, look at this scenario: "Suppose some dark night a policeman walks down a street, apparently deserted; but suddenly he hears a burglar alarm, looks across the street, and sees a jewellery store with a broken window. Then a person wearing a mask comes crawling out through the broken window, carrying a bag which turns out to be full of expensive jewellery. The policeman immediately concludes that this person is stealing the jewellery." By what reasoning process does the policeman arrive at this conclusion? Clearly the policeman's conclusion was not a logical deduction from the evidence. There may be a perfectly valid explanation for everything. For example, it might be that this person was the owner of the jewellery store and he was coming home from a fancy dress competition, and he didn't have the key with him. But just as he walked by his store a passing truck threw a stone through the window; and he was only protecting his own property and not stealing the jewellery. Now whatever be the policeman's reasoning process, it has a certain degree of validity. The evidence did not prove that the person was stealing jewellery, but it did make it extremely plausible. This is an example of a kind of reasoning, often referred to as plausible reasoning, in which most people are generally very proficient. (en)
gold:hypernym	Method
prov:wasDerivedFrom	wikipedia-en:Plausible_reasoning?oldid=1063015376&ns=0
page length (characters) of wiki page	14679 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Plausible_reasoning
is Link from a Wikipage to another Wikipage of	Allan M. Collins Mathematics and Plausible Reasoning Roe effect Wikimedia Foundation v. NSA Missing sock Uncertain inference Plausible inference
is Wikipage redirect of	Plausible inference
is foaf:primaryTopic of	wikipedia-en:Plausible_reasoning

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