Search results

.../ref> is a [[rule of inference]] of [[propositional calculus|propositional logic]] and almost every other [[deduction system]]. The rule makes it possible t More generally it's also a simple [[Validity (logic)|valid]] [[logical form|argument form]], this means that if the premise is ...

...atinforillitera0000ston |url-access=registration }}</ref> is a [[Validity (logic)|valid]] [[logical form|argument form]] which is a [[syllogism]] having a [ ==Propositional logic== ...

{{short description|Logic theorem}} ...a concise description of the symbols used in this notation, see [[List of logic symbols]].}} ...

...her uses}}{{Redirect|Internal logic|the 2012 album by Grass Widow|Internal Logic (album)}}<!-- I added the odd spaces below so that they will all be rendere ...l [[Term logic|Aristotelian logic]], although in contemporary mathematical logic the term ''[[satisfiable]]'' is used instead. ...

...roposition]]s in the [[square of opposition]] of [[Term logic|Aristotelian logic]].]] ...genuous]] beliefs and [[bias]]. Illustrating a general tendency in applied logic. The [[law of noncontradiction]] states that "It is impossible that the sam ...

...osophical logic]], where it serves as a potential challenge to [[classical logic]]. Work in [[formal semantics (natural language)|formal semantics]] has sou ...agueness such as [[many-valued logic]], [[supervaluationism]], and [[fuzzy logic]]. Technicalities are kept to a minimum to favour a clear account, extremel ...

A '''paradox''' is a [[logic]]ally self-contradictory statement or a statement that runs contrary to exp |title = Paradoxes and Contemporary Logic ...

...foundation of [[constructive logic|constructive]], rather than classical, logic and set theory. * [[Intuitionistic analysis]], which is developed from constructive logic like constructive analysis but also incorporates [[choice sequence]]s. ...

...sm|Contradictorial gradualism]] is the paraconsistent treatment of [[Fuzzy logic|fuzziness]] developed by [[Lorenzo Peña]], which regards true contradiction ...

In [[philosophy]] and [[logic]], the classical '''liar paradox''' or '''liar's paradox''' or '''antinomy ...it is a paradox. However, it has been argued that by adopting a [[Bivalent logic|two-valued]] relational semantics (as opposed to [[Truth function|functiona ...

{{Short description|Limitative results in mathematical logic}} ...s, published by [[Kurt Gödel]] in 1931, are important both in mathematical logic and in [[philosophy of mathematics]]. The theorems are interpreted as showi ...

{{About|the scientific theory of that name||Fuzzy logic (disambiguation)}} ...|isbn=978-0-7923-8595-0 }}</ref> By contrast, in [[Boolean algebra|Boolean logic]], the truth values of variables may only be the [[integer]] values 0 or 1. ...

In [[logic]] and [[proof theory]], '''natural deduction''' is a kind of [[proof calcul ...[[Jan Lukasiewicz|Łukasiewicz]] that advocated a more natural treatment of logic, [[Stanisław Jaśkowski|Jaśkowski]] made the earliest attempts at defining a ...

...[knowledge base]]s with overlapping but subtly different concepts. [[Fuzzy logic]] is the most common technique for dealing with vagueness. ...rent distinct diagnoses each with a different probability. [[Probabilistic logic|Probabilistic]] reasoning techniques are generally employed to address unce ...

...|p=132}} The Stoics divided their own philosophy into three parts: ethics, logic, and physics.<ref>see Laertius, 7.33</ref> The Stoic [[Cleanthes]] further ...ism|mystic]]; a conventional thinker and a revolutionary; a developer of [[logic]] –&nbsp;one who denied the [[law of non-contradiction]]; the first genuine ...

*[[Moses Schönfinkel]], inventor of [[combinatory logic]] ...e forerunner of [[Paraconsistent logic|paraconsistent]] and [[multi-valued logic]]s ...