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Binary operation that is true if and only if both operands are false
Boolean logic, logical NOR, non-disjunction, or joint denial is a truth-functional operator which produces a result that is the negation of logical or. That
Logical_NOR
Mathematical table used in logic
functional values of logical expressions on each of their functional arguments, that is, for each combination of values taken by their logical variables. In
Truth_table
Digital logic gate
The NOR (NOT OR) gate is a digital logic gate that implements logical NOR - it behaves according to the truth table to the right. A HIGH output (1) results
NOR_gate
Device performing a Boolean function
A logic gate is a device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output
Logic_gate
Logical operator in propositional calculus
operator NOR and then adds the eXception "or both true". Philosophy portal Psychology portal Boolean function If and only if Logical equivalence Logical biconditional
Logical_equality
Topics referred to by the same term
alpha-3 code: NOR) Logical NOR ("Not OR"), a binary operation in logic NOR gate, an electronic gate that implements a logical NOR NOR logic NOR flash, a type
Nor
Process of drawing correct inferences
Logical reasoning is a form of thinking or information processing that aims to arrive at a conclusion in a rigorous way. It happens in the form of inferences
Logical_reasoning
Symbol connecting formulas in logic
In logic, a logical connective (also called a logical operator, sentential connective, or sentential operator) is an operator that combines or modifies
Logical_connective
Topics referred to by the same term
downwards arrow, a Unicode arrow symbol Logical NOR, operator which produces a result that is the negation of logical OR An undefined object, in mathematical
↓
Statement that is true regardless of the truth or falsity of its constituent propositions
is true because of the logical terms it contains which are logical connectives (e.g. "or", "and", and "nor"). Not all logical truths are tautologies of
Logical_truth
Technique used to estimate delay in a CMOS circuit
The method of logical effort, a term coined by Ivan Sutherland and Bob Sproull in 1991, is a straightforward technique used to estimate delay in a CMOS
Logical_effort
Digital logic gate
exclusive NOR) is a digital logic gate whose function is the logical complement of the exclusive OR (XOR) gate. It is equivalent to the logical connective
XNOR_gate
Mathematical study of switched networks
by Henry M. Sheffer in 1913, so the NAND logical operation is sometimes called Sheffer stroke; the logical NOR is sometimes called Peirce's arrow. Consequently
Switching_circuit_theory
American political writer
in Israeli war crimes in the Gaza War . He wrote that "It is neither logical nor feasible to expect Lockheed Martin to assume moral responsibility for
Jerry_Bowyer
Topics referred to by the same term
neither...nor, examples of correlative conjunctions in English Exclusive or, the logical meaning of "either ... or ... but not both" Logical disjunction
Either/or
Electronic circuit with two stable states
circuit uses the same feedback as SR NOR, just replacing NOR gates with NAND gates, to remember and retain its logical state even after the controlling input
Flip-flop_(electronics)
Logical connective AND
\wedge } ) is the truth-functional operator of conjunction or logical conjunction. The logical connective of this operator is typically represented as ∧ {\displaystyle
Logical_conjunction
Steps in reasoning
particular evidence to a universal conclusion. Abduction seeks neither logical certainty nor a universal conclusion but a "best explanation" based on likelihood
Inference
Overview of and topical guide to logic
implication Converse nonimplication Exclusive or Logical NOR Logical biconditional Logical conjunction Logical disjunction Material implication Material nonimplication
Outline_of_logic
Logical connective OR
logic, disjunction (also known as logical disjunction, logical or, logical addition, or inclusive disjunction) is a logical connective typically notated as
Logical_disjunction
Statement that is taken to be true
for reasoning. In mathematics, an axiom may be a "logical axiom" or a "non-logical axiom". Logical axioms are taken to be true within the system of logic
Axiom
Subject matter of phenomenology
graph Functional completeness Logic gate Logic of information Logical graph Logical NOR Second-order logic Trikonic Type-token distinction Semiotic theory
Phaneron
Movement in Western philosophy
Logical positivism, also known as logical empiricism or neo-positivism, was a philosophical movement, in the empiricist tradition, that sought to formulate
Logical_positivism
in the Apollo Guidance Computer, were 3-input resistor–transistor logic NOR gates. The resistor–transistor logic of first ICs by Fairchild and Texas
Invention of the integrated circuit
Invention_of_the_integrated_circuit
American scientist (1839–1914)
algebra could be done via a repeated sufficient single binary operation (logical NOR), anticipating Henry M. Sheffer by 33 years. (See also De Morgan's Laws
Charles_Sanders_Peirce
If and only if relation
bidirectional implication or biimplication or bientailment or exclusive nor, is the logical connective used to conjoin two statements P {\displaystyle P} and
Logical_biconditional
Logical operation
In logic, negation, also called the logical not or logical complement, is an operation that takes a proposition P {\displaystyle P} to another proposition
Negation
Maxim of logic formulated by Charles Sanders Peirce
heuristic maxim, much less one that concerns itself with a routine matter of logical procedure, forms a sufficient basis for a whole philosophy. He suggests
Pragmatic_maxim
Type of diagrammatic notation for propositional logic
An existential graph is a type of diagrammatic or visual notation for logical expressions, created by Charles Sanders Peirce, who wrote on graphical logic
Existential_graph
List of symbols used to express logical relations
suggested set of logical symbols Logic gate § Symbols Logical connective Mathematical operators and symbols in Unicode Non-logical symbol Polish notation
List_of_logic_symbols
True when either but not both inputs are true
disjunction, exclusive alternation, logical non-equivalence, or logical inequality is a logical operator whose negation is the logical biconditional. With two inputs
Exclusive_or
Book by Alain Badiou
totalitarianism, and the search for meaningful narratives that are neither logical nor dialectical. He warns against "animal humanism" and advocates "formalized
The_Century_(book)
speculative thought may take, feeling that it is not for an individual, nor for an age, to pronounce upon a fundamental question of philosophy. That
Tychism
completeness Logical biconditional Logical conjunction Logical disjunction Logical equality Logical implication Logical negation Logical NOR Majority function
List of Boolean algebra topics
List_of_Boolean_algebra_topics
1891 play by Henrik Ibsen
protagonists of literature. By that, Krutch means that Hedda is neither logical nor insane in the old sense of being random and unaccountable. Her aims and
Hedda_Gabler
by Henry M. Sheffer in 1913, so the NAND logical operation is sometimes called Sheffer stroke; the logical NOR is sometimes called Peirce's arrow. Consequently
History_of_computing
Axiom used in logic and philosophy
graph Functional completeness Logic gate Logic of information Logical graph Logical NOR Second-order logic Trikonic Type-token distinction Semiotic theory
Peirce's_law
American logician (1882–1964)
truth table either of the logical NAND, usually symbolized with a vertical line called the Sheffer stroke, or its dual logical NOR (usually symbolized with
Henry_M._Sheffer
true and F = false, and, the columns are the logical operators: 0, false, Contradiction; 1, NOR, Logical NOR (Peirce's arrow); 2, Converse nonimplication;
List_of_rules_of_inference
and informal fallacies. A formal fallacy is a defect in an argument's logical form that makes a deductive argument invalid. Informal fallacies cannot
List_of_fallacies
Traditional, still commonplace view of scientific method to develop scientific theories
sequences of sensory events, not cause and effect. Perceiving neither logical nor natural necessity or impossibility among events, humans tacitly postulate
Inductivism
Branch of logic
calculus Jean Buridan Laws of Form List of logic symbols Logical graph Logical NOR Logical value Mathematical logic Operation (mathematics) Paul of Venice
Propositional_logic
Surname list
Starling Norgate (1772–1859), British writer NOR gate, a digital logic gate that implements logical NOR Norgate Data, Australian data company Norgate
Norgate
Subfield of mathematics
'algebra of logic', and, more recently, simply 'formal logic', is the set of logical theories elaborated in the course of the nineteenth century with the aid
Mathematical_logic
Topics referred to by the same term
Dagger category in category theory A † B {\displaystyle A\dagger B} , logical NOR operator or Quine's dagger IAI Nesher, Israeli aircraft, Dagger in Argentine
Dagger_(disambiguation)
how signs combine, and how some signs embody or incorporate others; (2) logical critic, or logic proper, on the modes of inference; and (3) speculative
Semiotic theory of Charles Sanders Peirce
Semiotic_theory_of_Charles_Sanders_Peirce
Method of deriving conclusions
from premises. They are integral parts of formal logic, serving as the logical structure of valid arguments. If an argument with true premises follows
Rule_of_inference
Computer science topic
bitwise NOT, or bitwise complement, is a unary operation that performs logical negation on each bit, forming the ones' complement of the given binary
Bitwise_operation
Logical operation
the NOR operator (also known as the Peirce arrow, Quine dagger or Webb operator). Like its dual, NAND can be used by itself, without any other logical operator
Sheffer_stroke
Topics referred to by the same term
on a computer keyboard Thumbs-down, a thumb signal ↓, the symbol for Logical NOR ↓, down in Combinatorial game theory Down (disambiguation) Sign (disambiguation)
Down_Sign
Concept in mathematical logic
In logic, a functionally complete set of logical connectives or Boolean operators is one that can be used to express all possible truth tables by combining
Functional_completeness
Function returning one of only two values
all inputs are true ("not both") NOR or logical nor - true when none of the inputs are true ("neither") XNOR or logical equality - true when both inputs
Boolean_function
Second wife of Charles Sanders Peirce
on the Peirce arrow (" ↓ {\displaystyle \downarrow } "), logical symbol for "neither...nor...". Notes "Peirce", in the case of Juliette and Charles Peirce
Juliette_Peirce
Polish Dominican and philosopher (1902–1995)
time, they were raised in French culture, with emphasis being placed on logicality and rationalism. In 1907, the Bocheński family moved from Czuszów in the
Józef_Maria_Bocheński
Value indicating the relation of a proposition to truth
In logic and mathematics, a truth value, sometimes called a logical value, is a value indicating the relation of a proposition to truth, which in classical
Truth_value
Theory in the philosophy of mind
In the philosophy of mind, logical behaviorism (also known as analytical behaviorism, dispositional behaviorism or philosophical behaviorism) is the thesis
Logical_behaviorism
1921 philosophical work by Ludwig Wittgenstein
{\displaystyle {\bar {\xi }}} . Proposition 6 says that any logical sentence can be derived from a series of NOR operations on the totality of atomic propositions
Tractatus Logico-Philosophicus
Tractatus_Logico-Philosophicus
Types of quantum information
qubit per logical qubit. Topological qubits rely on a class of particles called anyons which have spin that is neither half-integral (fermions) nor integral
Physical_and_logical_qubits
Philosophical concept
Categories help the reasoner to render signs ready for the application of logical laws. An equivocation is a variation in meaning—a manifold of sign senses—such
Categories_(Peirce)
Making other gates using just NOR gates
the description of a logical circuit to a netlist of complex gates (standard cells) or transistors (full custom approach). A NOR gate is logically an
NOR_logic
by Henry M. Sheffer in 1913, so the NAND logical operation is sometimes called Sheffer stroke; the logical NOR is sometimes called Peirce's arrow. Consequently
History_of_computer_science
Logical argument against the problem of evil
Plantinga did not claim to have shown that the conclusion of the logical problem is wrong, nor did he assert that God's reason for allowing evil is, in fact
Alvin Plantinga's free-will defense
Alvin_Plantinga's_free-will_defense
Electronic non-volatile computer storage device
copied into RAM first. NOR flash may be programmed in a random-access manner similar to reading. Programming changes bits from a logical one to a zero. Bits
Flash_memory
Logical connective
can be semantically established by the method of analytic tableaux. The logical rules are The semantic definition by truth tables does not permit the examination
Material_conditional
Bias towards continuity
graph Functional completeness Logic gate Logic of information Logical graph Logical NOR Second-order logic Trikonic Type-token distinction Semiotic theory
Synechism
Philosophical categorization of statements
are categorized into different logical qualities based on how they go about saying what they say. Doctrines of logical quality are an attempt to answer
Logical_quality
Type of formal fallacy
possibiliter ergo probabiliter, "possibly, therefore probably") is the logical fallacy of taking something for granted because it is possibly the case
Appeal_to_probability
Bearer of truth values
Russell. Propositions are relevant to many fields. Logicians examine their logical form and inferential patterns as the premises and conclusions of arguments
Proposition
the edge" through borderlines breaking improvisations, neither always logical nor considerable. The fourth movement, melody, accompanied by the piano.
Myth_of_the_Cave
Topics referred to by the same term
Wiktionary, the free dictionary. Implication may refer to: Logical consequence (also entailment or logical implication), the relationship between statements that
Implication
Class of digital circuits
instead of one, the inverter becomes a two-input RTL NOR gate (see the figure on the right). The logical operation OR is performed by applying consecutively
Resistor–transistor_logic
Branch of pragmatic philosophy
of us". Nor did he reject all such affiliation in later discussions. However, in the following year 1906, in a manuscript "A Sketch of Logical Critics"
Pragmaticism
also be proved without them. dagger A name for the joint denial, or logical NOR. decidable theory A theory for which there exists a decision procedure
Glossary_of_logic
207 and dated 1911, Peirce wrote: I have now sketched my doctrine of Logical Critic, skipping a good deal. I recognize two other parts of Logic. One
Classification of the sciences (Peirce)
Classification_of_the_sciences_(Peirce)
Logical gate whose output is false if all its inputs are true
than a NOR gate. As NOR gates are also functionally complete, if no specific NAND gates are available, one can be made from NOR gates using NOR logic.
NAND_gate
Fourfold logical system in Indian philosophy
चतुष्कोटि, Tibetan: མུ་བཞི, Wylie: mu bzhi, Sinhalese:චතුස්කෝටිකය) refers to logical argument(s) of a 'suite of four discrete functions' or 'an indivisible
Catuṣkoṭi
In logic, a statement which is always true
interpretation of its component terms, with only the logical constants having a fixed meaning. It is a logical truth. For example, a formula that states "the
Tautology_(logic)
Type of logical system
of formal system. First-order logic uses quantified variables over non-logical objects, and allows the use of sentences that contain variables. Rather
First-order_logic
1895 symphony by Sergei Rachmaninoff
composer's comments to Zatayevich seem considerably more rational, even logical. Nor had the press been entirely unfavorable toward the symphony (see above)
Symphony_No._1_(Rachmaninoff)
Hardware description language
XOR ~^ or ^~ Bitwise XNOR Logical ! NOT && AND || OR Reduction & Reduction AND ~& Reduction NAND | Reduction OR ~| Reduction NOR ^ Reduction XOR ~^ or ^~
Verilog
"Topics of Logic". This list includes mainly published philosophical and logical works of some note. Papers by Peirce in many fields were published and
Charles Sanders Peirce bibliography
Charles_Sanders_Peirce_bibliography
Analytical philosophical view expounded by Bertrand Russell
Logical atomism is a philosophical view that originated in the early 20th century with the development of analytic philosophy. It holds that the world
Logical_atomism
Digital logic gate type
The AND gate is a basic digital logic gate that implements the logical conjunction (∧) from mathematical logic – AND gates behave according to their truth
AND_gate
Algebraic manipulation of "true" and "false"
the values of the variables are numbers. Second, Boolean algebra uses logical operators such as conjunction (and) denoted as ∧, disjunction (or) denoted
Boolean_algebra
German-American philosopher (1891–1970)
thereafter. He was a major member of the Vienna Circle and an advocate of logical positivism. Carnap was born Paul Rudolf Carnap on 18 May 1891 in Ronsdorf
Rudolf_Carnap
Standard forms of Boolean functions
defined as the 1 "true" value, a NOR gate is the simplest possible useful logical element. Specifically, a 3-input NOR gate may consist of 3 bipolar junction
Canonical_normal_form
Digital logic gate
The IMPLY gate is a digital logic gate that implements a logical conditional. IMPLY can be denoted in algebraic expressions with the logic symbol right-facing
IMPLY_gate
Philosophical question
theodicies. The problem of evil is generally formulated in two forms. The logical problem of evil tries to show a conceptual impossibility in the coexistence
Problem_of_evil
Digital logic gate type
The OR gate is a digital logic gate that implements logical disjunction. The OR gate outputs "true" if any of its inputs is "true"; otherwise it outputs
OR_gate
Function in logic
combination of 2 or more of the above logic gates. The "logical equivalence" of "NAND alone", "NOR alone", and "NOT and AND" is similar to Turing equivalence
Truth_function
Logical dilemma in philosophy
The Epicurean paradox is a logical dilemma about the problem of evil attributed to the Greek philosopher Epicurus, who argued against the existence of
Epicurean_paradox
Topics referred to by the same term
released in 2004 Gracilis (disambiguation), a Latin adjective with neither logical nor etymological connection to "graceful". Christy (given name), a given
Graceful_(disambiguation)
Hardware description language (VHDL) library package for use in electronic circuit design
argument specifying the length of the resulting vector. not and or nand nor xor xnor STD_MATCH Note: compares argument vectors element by element, but
Numeric_std
Basic framework of mathematics
Foundations of mathematics are the logical and mathematical frameworks that allow the development of mathematics without generating self-contradictory
Foundations_of_mathematics
Social scientist, study of dissent, peace studies (born 1947)
presented impartially)" saying his "approach to academic freedom is neither logical nor practical" as this approach "forces universities to abandon their most
Brian Martin (social scientist)
Brian_Martin_(social_scientist)
German Neo-Lutheran theologian (1814–1888)
in 1817). Convinced that the Lutheran confession possessed neither a logical nor a legal basis under the Union, he joined the old Lutheran party in November
Karl_Friedrich_August_Kahnis
Philosophical doctrine
"pseudostatements" that are neither true nor false. Verificationism was the central-most thesis of logical positivism (or logical empiricism), a philosophical movement
Verificationism
Form of incorrect argument and informal fallacy
enemies" Trivial objections – Fallacy in informal logic Downes, Stephen. "The Logical Fallacies". Archived from the original on 3 March 2016. Retrieved 25 February
Straw_man
Type of logic diagram
the subject. Every categorical proposition can be reduced to one of four logical forms, named A, E, I, and O based on the Latin affirmo (I affirm), for
Square_of_opposition
Argument whose conclusion must be true if its premises are
of an argument can be tested, proved or disproved, and depends on its logical form. In logic, an argument is a set of related statements expressing the
Validity_(logic)
LOGICAL NOR
LOGICAL NOR
Girl/Female
Hindu
Boy/Male
Hindu
Love and kindness, Analytical, Logical
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Indian, Sanskrit
Logician
Boy/Male
Tamil
Intelligent, Logical
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Danish, Hindu, Indian, Japanese
Ray of Light; Logical
Girl/Female
Indian
Successful; Logical Thinkers
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Tamil
Love and kindness, Analytical, Logical
Girl/Female
Tamil
Give light to others
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Indian
Intelligent, Logical
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Hindu, Indian
Give Light to Others
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Hindu, Indian
A Magical Sword
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Indian, Sanskrit
Endowed with Mind; Logical
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Australian, French, Swedish
Elf; Magical Counsel
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Hindu, Indian
Logical
Girl/Female
Native American
Magical dancer.
Boy/Male
Gujarati, Hindu, Indian, Sanskrit
Logical Science
Boy/Male
American, Australian, British, Chinese, Christian, Danish, Dutch, English, French, German, Indian, Irish, Italian, Norwegian, Portuguese, Shakespearean, Swedish, Teutonic
Peaceful Ruler; Elf; Magical Counsel
Girl/Female
Indian, Modern, Sanskrit
Magical
Girl/Female
Indian, Tamil
King Rama's Wife
Girl/Female
African, Arabic, French, Indian, Muslim, Swahili, Tamil
Intelligent; Logical; Intelligent One who Reasons; Wise
LOGICAL NOR
LOGICAL NOR
LOGICAL NOR
LOGICAL NOR
LOGICAL NOR
LOGICAL NOR
LOGICAL NOR