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* [[Objection (argument)]], used in informal logic and argument mapping ** [[Counterargument]], in informal logic, an objection to an objection ...

In [[mathematical logic]], '''interpretability''' is a relation between formal theories that expres ==Informal definition== ...

{{short description|Mathematical logic}} .../math>, between two [[Set (mathematics)|sets]] of [[sentence (mathematical logic)|sentences]] (or [[Proposition (mathematics)|proposition]]s). <math>\Gamma ...

{{wiktionary|formal|informal}} '''Formal''', '''formality''', '''informal''' or '''informality''' imply the complying with, or not complying with, so ...

{{Short description|Informal fallacy}} A '''fallacy of illicit transference''' is an [[informal fallacy]] occurring when an argument assumes there is no difference between ...

==Logic and language== * [[Proof by assertion]], an informal fallacy in which a proposition is repeatedly restated ...

{{Short description|Schema in modal logic}} ...dal propositional logic to include quantification.<ref>Journal of Symbolic Logic (1946),11 and (1947), 12 under Ruth C. Barcan</ref> ...

{{short description|Informal fallacy}} ...}}</ref><ref>{{Cite book |last=Copi |first=Irving M |title=Introduction to Logic |publisher=Routledge Publications |year=2016 |isbn=9780205820375 |edition=1 ...

{{short description|Informal fallacy of generalization}} ...ref name="Fischer1970">{{citation |title = Historians' Fallacies: Toward A Logic of Historical Thought |publisher= HarperCollins |isbn= 978-0-06-131545-9 |y ...

{{short description|Fallacy in informal logic}} ...rage of objections''' and '''banal objections''') is an [[Informal fallacy|informal logical fallacy]] where irrelevant and sometimes frivolous objections are m ...

{{short description|Informal fallacies based on correlative conjunctions}} In [[philosophy]], '''correlative-based fallacies''' are [[informal fallacy|informal fallacies]] based on [[correlative conjunction]]s. ...

Anangeon can be seen as a part of [[logos]] and is a type of [[non sequitur (logic)|non sequitur]]. [[Category:Informal fallacies]] ...

{{Short description|Informal organization of set theorists}} ...tech]], but also at [[UC Irvine]]. Organization and procedures range from informal to nonexistent, so it is difficult to say whether it still exists or exactl ...

A '''logic puzzle''' is a [[puzzle]] deriving from the [[mathematics|mathematical]] fi [[File:Logic grid.png|right|thumb|A logic puzzle grid. The only information filled in is that only Simon is 15 and Ja ...

{{Short description|Informal fallacy}} ...rgument|argument]], also known as '''an argument to the purse''', is the [[informal fallacy]] of drawing conclusions based on the speaker's financial status.<r ...

...c]]' has as a result been hesitant to commit to a particular definition of logic. This article surveys various definitions of the subject that have appeare ==Rival conceptions of logic== ...

| notable_works = ''Introduction to Logic'' (1953) ...Logic'' (6th ed.), Macmillan, 1982, p. 345; cf. Wayne Grennan, ''Informal Logic: Issues and Techniques'', McGill-Queen's University Press, 1997, p. 100.</ ...

{{short description|Any informal mathematical practices used in everyday life}} ...in his ''[[Proofs and Refutations]]'' aimed to sharpen the formulation of informal mathematics, by reconstructing its role in nineteenth century mathematical ...

{{about|the legal concept|a rebuttal used in informal logic|Counterargument}} ...[[politics]] and [[Public administration|public affairs]] to refer to the informal process by which statements, designed to refute or negate specific argument ...

...h 2000|url= https://plato.stanford.edu/archives/fall2020/entries/aristotle-logic| editor1= Edward N. Zalta |accessdate =2020-12-19 }}</ref> consists of 34 The fallacies Aristotle identifies in Chapter 4 (formal fallacies) and 5 (informal fallacies) of this book are the following: ...