Encyclopedia results for Tautology (logic)

1. Tautology (logic)
   In propositional logic , a tautology from the Greek language Greek word Ï Î Ï Ï Î Î Î Î Î Î is a propositional ... logic in 1921. A tautology s negation is a contradiction , a propositional formula that is false ..
   
   
   
2. Tautology
   wiktionarypar tautology Tautology can refer to Tautology logic , a statement of propositional logic which holds for all truth values of its atomic propositions Tautology rhetoric , use of redundant language ..
   
   
   
3. Tautology (rhetoric)
   it may be a Tautology logic logical tautology . In colloquial terms a logical tautology can also ...In rhetoric , a tautology is an unnecessary and usually unintentional repetition of meaning, using different ..
   
   
   
4. Logic
   otheruses refimprove portal Logic Logic is the study of the principles of valid inference and demonstration ... logic&searchmode none Online Etymology Dictionary ref As a formal science , logic investigates and classifies ..
   
   
   
5. Intuitionistic logic
   order logic both quantifiers â??, â? are needed. Many Tautology logic tautologies of classical logic ...Intuitionistic logic , or constructivist logic , is the symbolic logic system originally developed by Arend ..
   
   
   
6. Algebraic logic
   In mathematical logic , algebraic logic formalizes symbolic logic logic using the methods of abstract algebra . Logics as models of algebras Algebraic logic treats logic s as model theory model s interpretations ..
   
   
   
7. Relevance logic
   Relevance logic , also called relevant logic , is a kind of non classical logic requiring the antecedent ... logic substructural or modal logics. It is generally, but not universally, called relevant logic ..
   
   
   
8. Dynamic logic (digital logic)
   Unreferenced date December 2006 Dynamic logic or sometimes clocked logic is a design methodology in Digital circuit digital logic that was popular in the 1970 s and has seen a recent resurgence in the design ..
   
   
   
9. Dynamic logic
   Dynamic logic may mean In modal logic Dynamic logic modal logic Dynamic logic is a modal logic for reasoning ... logic including possible world semantics, linguistics , and artificial intelligence . In digital logic ..
   
   
   
10. Strict logic
    Strict logic is essentially synonymous with relevant logic , though it can be characterized proof theory proof theoretically as ordinary logic without weakening , or linear logic with contraction . See ..
    
    
    
11. Intensional logic
    There are some Intensional logic systems that claim to fully analyze the common language Transparent Intensional Logic Modal Logic External links http plato.stanford.edu entries logic intensional Intensional ..
    
    
    
12. Affine logic
    Affine logic is a substructural logic that denies the structural rule of Idempotency of entailment contraction . It can also be characterized as linear logic with weakening . Affine logic can be embedded ..
    
    
    
13. Logic (disambiguation)
    Wiktionarypar logic Logic is the study of the principles and criteria of valid inference and demonstration. Logic may also refer to In logic and mathematics A branch of logic Inductive logic , also called ..
    
    
    
14. Dynamic logic (modal logic)
    for the subject in digital circuit s also known as clocked logic dynamic logic digital logic Dynamic logic is an extension of modal logic originally intended for reasoning about computer programs and later ..
    
    
    
15. Logic family
    In computer engineering , a logic family may refer to one of two related concepts. A logic family of monolithic digital integrated circuit devices is a group of electronic logic gate s constructed using ..
    
    
    
16. Combinational logic
    distinguish2 combinatory logic , a topic in mathematical logic In digital circuit theory, combinational logic also called combinatorial logic is a type of logic circuit whose output is a pure function ..
    
    
    
17. Logic System
    otheruses4 a musical project logical systems in mathematical logic Formal system Logic System is the name of a musical project headed by Japanese musician Hideki Matsutake . ..
    
    
    
18. Connex (logic)
    Unreferenced date September 2007 context In logic , a connex relation is x y Pxy or Pyx Category Mathematical relations logic stub ..
    
    
    
19. Logic gate
    A logic gate performs a logical operation on one or more logic inputs and produces a single logic output. Because the output is also a logic level value, an output of one logic gate can connect to the input ..
    
    
    
20. Universal logic
    Universal logic is the field of logic that is concerned with giving an account of what features are common to all logical structures. Universal logic is to logic what universal algebra is to algebra . The term ..
    
    
    
21. Hybrid logic
    Hybrid logic refers to a number of extensions to propositional logic propositional modal logic with more expressive power, though still less than first order logic . In formal logic , there is a trade ..
    
    
    
22. Intermediate logic
    In mathematical logic , a superintuitionistic logic is a propositional logic extending intuitionistic logic . Classical logic is the strongest consistent intermediate logic, whence consistent superintuitionistic ..
    
    
    
23. Erasure (logic)
    In mathematical logic , a logical system has the erasure property if and only if no subset of the propositions ... , the system AB does NOT have erasure. See also Monotonic logic in â ?mathematical logicâ http plato.stanford.edu ..
    
    
    
24. Predicate logic
    For the specific term, see First order logic . In mathematical logic , predicate logic is the generic term for symbolic formal system s like first order logic , second order logic , many sorted logic or infinitary ..
    
    
    
25. Temporal logic
    In logic , the term temporal logic is used to describe any system of rules and symbolism for representing ... to tense logic , a particular modal logic based system of temporal logic introduced by Arthur Prior ..