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Logical quantification that ranges over a subset of the universe of discourse
only bounded quantifiers, but not separation for other formulas. In KP the motivation is the fact that whether a set x satisfies a bounded quantifier formula
Bounded_quantifier
quantifiers which are restricted ("bounded") to range only over the subtypes of a particular type. Bounded quantification is an interaction of parametric
Bounded_quantification
typically obtained by requiring that quantifiers be bounded in the induction axiom or equivalent postulates (a bounded quantifier is of the form ∀x ≤ t or ∃x ≤ t
Bounded_arithmetic
Mathematical use of "for all" and "there exists"
most common quantifiers are the universal quantifier and the existential quantifier. The traditional symbol for the universal quantifier is "∀", a rotated
Quantifier_(logic)
System of arithmetic in proof theory
restricted to bounded sums and products. This also has the same Π20 sentences as EFA, in the sense that whenever EFA proves ∀x∃y P(x,y), with P quantifier-free
Elementary function arithmetic
Elementary_function_arithmetic
Mathematical use of "for all"
function is obtained by changing the universal quantifier into an existential quantifier and negating the quantified formula. That is, ¬ ∀ x P ( x ) is equivalent
Universal_quantification
Software design pattern
{\displaystyle F} -bound polymorphism, and it is a form of F-bounded quantification. The technique was formalized in 1989 as " F {\displaystyle F} -bounded quantification
Curiously recurring template pattern
Curiously_recurring_template_pattern
Mathematical use of "there exists"
In predicate logic, an existential quantification is a type of quantifier which asserts the existence of an object with a given property. It is usually
Existential_quantification
Computational Formula that can be measured in terms of True or False
PSPACE proof where no more than one universal quantifier is placed between each variable's use and the quantifier binding that variable. This was critical
True quantified Boolean formula
True_quantified_Boolean_formula
Type of determiner that indicates quantity
In linguistics and grammar, a quantifier is a type of determiner, such as all, some, many, few, a lot, and no, (but not specific numerals)[clarification
Quantifier_(linguistics)
Decidable first-order theory of the natural numbers with addition
with each quantifier block limited to j variables. '<' is considered to be quantifier-free; here, bounded quantifiers are counted as quantifiers. PA(1, j)
Presburger_arithmetic
Hierarchy of complexity classes for formulas defining sets
recursive function f {\displaystyle f} . This is because allowing bounded quantifier adds nothing to the definition: for a primitive recursive f {\displaystyle
Arithmetical_hierarchy
In logic a branching quantifier, also called a Henkin quantifier, finite partially ordered quantifier or even nonlinear quantifier, is a partial ordering
Branching_quantifier
Type of logical system
"for all x, if x is a human, then x is mortal", where "for all x" is a quantifier, x is a variable, and "... is a human" and "... is mortal" are predicates
First-order_logic
Eighteenth letter of the Greek alphabet
formulae with bounded quantifiers beginning with existential quantifiers, alternating n−1 times between existential and universal quantifiers. This notation
Sigma
Family of formal knowledge representation
possible world, a concept corresponds to a modal proposition, and a role-bounded quantifier to a modal operator with that role as its accessibility relation.
Description_logic
Calculus using a logically rigorous notion of infinitesimal numbers
subsets of V(*R); what this means in practice is that bounded quantification, where the bound is an internal set, never ranges over these sets. Example:
Nonstandard_analysis
Axiomatic set theories based on the principles of mathematical constructivism
{\displaystyle \Delta _{0}} -Separation or Bounded Separation, as in Separation for set-bounded quantifiers only. (Warning note: The Lévy hierarchy nomenclature
Constructive_set_theory
Range of application for a quantifier or connective in a logical formula
scope of a quantifier or connective is the shortest formula in which it occurs, determining the range in the formula to which the quantifier or connective
Scope_(logic)
Concept in mathematics or computer science
c}f(x)} The logical quantifiers, such as the universal quantifier ( ∀ {\displaystyle \forall } ) and the existential quantifier ( ∃ {\displaystyle \exists
Free variables and bound variables
Free_variables_and_bound_variables
Universal subtype in logic and computer science
undefined behavior, infinite recursion, or unrecoverable errors. In Bounded Quantification with Bottom, Pierce says that Bot (the bottom type) has many uses:
Bottom_type
Logical quantifier
certain condition. This sort of quantification is known as uniqueness quantification or unique existential quantification, and is often denoted with the
Uniqueness_quantification
Topics referred to by the same term
types, so that multiple can be used with a single implementation Bounded quantification, restricts type parameters to a range of subtypes Subtyping, different
Polymorphism
Proposition in mathematical logic
semi-intuitionistic subsystem of ZF that accepts classical logic for bounded quantifiers but uses intuitionistic logic for unbounded ones, and suggested that
Continuum_hypothesis
(biconditional), not (negation), for all (universal quantifier), there exists (existential quantifier). ≡ An equivalence, or congruence relation. ↾ f↾X
Glossary_of_set_theory
Estimate of time taken for running an algorithm
T(n) is upper bounded by 2poly(n), where poly(n) is some polynomial in n. More formally, an algorithm is exponential time if T(n) is bounded by O(2nk) for
Time_complexity
Using one interface or symbol with regards to multiple different types
polymorphism and subtyping leads to the concepts of type variance and bounded quantification. Row polymorphism is a similar, but distinct concept from subtyping
Polymorphism (computer science)
Polymorphism_(computer_science)
System of mathematical set theory
restricts the separation and collection schemes to formulas with only bounded quantifiers. In some formulations, the axiom of infinity is also omitted. KP
Kripke–Platek_set_theory
Form of type polymorphism
of hyponymy and holonymy. It is also related to the concept of bounded quantification in mathematical logic (see Order-sorted logic). Subtyping should
Subtyping
Statement in mathematical combinatorics
upper bound b > k 1 , … , k n . {\displaystyle b>k_{1},\dots ,k_{n}.} This allows one to exchange bounded quantifiers with unbounded quantifiers. R C A
Ramsey's_theorem
Form of logic that allows quantification over predicates
sentence like Cube(b) and obtain a quantified sentence by replacing the name with a variable and attaching a quantifier: ∃ x C u b e ( x ) {\displaystyle
Second-order_logic
Concept in axiomatic set theory
related to ZFC, this scheme is sometimes restricted to formulas with bounded quantifiers, as in Kripke–Platek set theory with urelements. The axiom schema
Axiom_schema_of_specification
Framework in lambda calculus
constructor Π corresponds via the Curry-Howard isomorphism to a universal quantifier, and the system λP as a whole corresponds to first-order logic with implication
Lambda_cube
Typed lambda calculus
{\displaystyle \forall \alpha .\alpha \to \alpha \to \alpha } ; the universal quantifier binding the α corresponds to the Λ binding the alpha in the lambda expression
System_F
System of formal deduction in logic
connectives ¬ {\displaystyle \lnot } and → {\displaystyle \to } and only the quantifier ∀ {\displaystyle \forall } . Later we show how the system can be extended
Hilbert_system
Depth of nesting of quantifiers in a formula
different quantifier ranks, when they express the same thing in different ways. Let φ {\displaystyle \varphi } be a first-order formula. The quantifier rank
Quantifier_rank
Construct in English grammar
expressed in two ways. There is an existential quantifier, ∃, meaning some. There is also a universal quantifier, ∀, meaning every, each, or all. Ambiguity
Bound_variable_pronoun
Mathematical space with a notion of distance
precompact or totally bounded if for every r > 0 there is a finite cover of M by open balls of radius r. Every totally bounded space is bounded. To see this,
Metric_space
On collapse of the polynomial hierarchy if NP is in non-uniform polynomial time class
of the first quantifier in this predicate can be used to guess a correct circuit for SAT, and the universal power of the second quantifier can be used
Karp–Lipton_theorem
Branch of mathematical logic
starting with a quantifier-free formula that can involve both first-order and second-order variables, then adding bounded quantifiers over the first-order
Reverse_mathematics
Concept in model theory
in a language), or sometimes a bounded elementary embedding (similar, but only for statements with bounded quantifiers).[clarification needed] The transfer
Transfer_principle
Function computable with bounded loops
is primitive recursive, it suffices to show that its time complexity is bounded above by a primitive recursive function of the input size. It is hence
Primitive_recursive_function
Programming language concept
In a language with generics (a.k.a. parametric polymorphism) and bounded quantification, the previous examples can be written in a type-safe way. Instead
Type_variance
Pronoun without a definite referent
sense is well established and widely accepted. English has the following quantifier pronouns: Uncountable (thus, with a singular verb form) enough – Enough
Indefinite_pronoun
Decomposing n-space into cells in which each of a set of polynomials has constant sign
a double exponential complexity. CAD provides an effective version of quantifier elimination over the reals that has a much better computational complexity
Cylindrical algebraic decomposition
Cylindrical_algebraic_decomposition
Probabilistic inequality applying on sum of bounded random variables
probability theory, Hoeffding's inequality provides an upper bound on the probability that the sum of bounded independent random variables deviates from its expected
Hoeffding's_inequality
Property of artificial neural networks
neural networks with bounded number of hidden layers and a limited number of neurons in each layer ("bounded depth and bounded width" case). The first
Universal approximation theorem
Universal_approximation_theorem
Logical operation
are two quantifiers, one is the universal quantifier ∀ {\displaystyle \forall } (means "for all") and the other is the existential quantifier ∃ {\displaystyle
Negation
Syntactically correct logical formula
is called quantifier-free. An existential formula is a formula starting with a sequence of existential quantification followed by a quantifier-free formula
Well-formed_formula
Impossible task in computing
Any first-order formula has a Prenex normal form. For each possible quantifier prefix to the prenex normal form, we have a fragment of first-order logic
Entscheidungsproblem
Grammatical case
integrated into a PP. Structurally, a quantifier is followed by a noun, and a preposition in between denotes the quantifier is a subset of the following noun
Partitive
Branch of mathematics
{\displaystyle \phi } is logically equivalent to a formula with only bounded quantifiers then ϕ {\displaystyle \phi } is assigned the classifications Σ 0
Effective descriptive set theory
Effective_descriptive_set_theory
Computer science concept
polynomial-time reductions) that ask if quantified Boolean formulae hold, for formulae with restrictions on the quantifier order. It is known that equality between
Polynomial_hierarchy
Area of mathematical logic
quantifier elimination, every definable subset of an algebraically closed field is definable by a quantifier-free formula in one variable. Quantifier-free
Model_theory
Particular class of sets which can be described entirely in terms of simpler sets
the Lévy hierarchy, i.e., formulas of set theory containing only bounded quantifiers) that use as parameters only X {\displaystyle X} and its elements
Constructible_universe
Theorem in computability theory
greater than n 1 {\displaystyle n_{1}} . Thus the universal quantifier over j can be bounded by n 1 {\displaystyle n_{1}} +1, as bits beyond this location
Post's_theorem
as "__". In the generative model of the syntax-semantics interface, a quantifier must move to positions higher in the structure, leaving behind a trace
Operator_(linguistics)
Variant of a linguistic expression
negation phrase) is within the subject quantifier scope, negation is not affected by the quantifier. If the Quantified Expression1 (QE1) is in the domain
Logical_form_(linguistics)
Generic type parameter in Java which can be constrained
error wildcardReference.set(new UpperBound()); // type error concreteTypeReference.set(new UpperBound()); // OK A bounded wildcard is one with either an upper
Wildcard_(Java)
Arithmetical concept
each formula A {\displaystyle A} of Heyting arithmetic is mapped to a quantifier-free formula A D ( x ; y ) {\displaystyle A_{D}(x;y)} of the system T
Dialectica_interpretation
Theorem in mathematical logic
infinite collection of natural numbers form a set one may quantify over), then set-bounded but undecidable propositions can be expressed. In constructive
Diaconescu's_theorem
Industry concept of crude oil and natural gas reserves and resources
Oil and gas reserves and resource quantification refers to the process of estimating the quantities of hydrocarbons present in subsurface accumulations
Oil and gas reserves and resource quantification
Oil_and_gas_reserves_and_resource_quantification
Substructure of a set theoretical universe
sentence is absolute as long as it is equivalent to a formula with only bounded quantifiers like ∀w ∈ z. For example, assuming the axiom of regularity: "x is
Standard_model_(set_theory)
Formal system of logic
standard or full semantics, quantifiers over higher-type objects range over all possible objects of that type. For example, a quantifier over sets of individuals
Higher-order_logic
Axiomatic logical system
first-order arithmetic). Variables not bound by an existential quantifier are bound by an implicit universal quantifier. Sx ≠ 0 0 is not the successor of any
Robinson_arithmetic
Field in mathematics similar to the real numbers
there is an algorithm that, given a quantifier-free formula defining a semialgebraic set, produces a quantifier-free formula for its projection. In fact
Real_closed_field
Basis of generic programming
different from how quantifier rank is defined in classical logic because here it measures nesting depth relative to a non-quantifier connective, whereas
Parametric_polymorphism
Sentence that resists simple formalization
require using a universal quantifier for the indefinite noun phrase "a donkey", rather than the expected existential quantifier. The naive first attempt
Donkey_sentence
Logical formulation of recursion
{\displaystyle (\exists x(P\wedge Q))} . We first need to define quantifier blocks (QB), a quantifier block is a list ( Q 1 x 1 , ϕ 1 ) . . . ( Q k x k , ϕ k )
Fixed-point_logic
Mathematical logic concept
called "primitive recursive arithmetic with the additional principle of quantifier-free transfinite induction up to the ordinal ε0", is neither weaker nor
Gentzen's_consistency_proof
Logical incompatibility between two or more propositions
Free/bound variable Language Metalanguage Logical connective ¬ ∨ ∧ → ↔ = Predicate functional variable propositional variable Proof Quantifier ∃ ! ∀
Contradiction
Form of second-order logic
treewidth of the graph is bounded by a constant. For MSO formulas that have free variables, when the input data is a tree or has bounded treewidth, there are
Monadic_second-order_logic
Type of infinite structure
intervals and points. O-minimality can be regarded as a weak form of quantifier elimination. A structure M {\displaystyle M} is o-minimal if and only
O-minimal_theory
Principle in theoretical physics
Bekenstein, Jacob D. (January 1981). "Universal upper bound on the entropy-to-energy ratio for bounded systems". Physical Review D. 23 (215): 287–298. Bibcode:1981PhRvD
Holographic_principle
Measure of algorithmic complexity
choice of description language; but the effect of changing languages is bounded (a result called the invariance theorem, see below). There are two definitions
Kolmogorov_complexity
Study of uncertainty in the output of a mathematical model or system
uncertainty in its inputs. This involves estimating sensitivity indices that quantify the influence of an input or group of inputs on the output. A related practice
Sensitivity_analysis
In logic, a statement which is always true
tautology can be extended to sentences in predicate logic, which may contain quantifiers—a feature absent from sentences of propositional logic. Indeed, in propositional
Tautology_(logic)
Number denoting a graph's closeness to a tree
have bounded local treewidth. In particular this is trivially true for a class of bounded degree graphs, as bounded diameter subgraphs have bounded size
Treewidth
Schema of axioms in set theory
provided that φ contains only bounded quantifiers and, as usual, that the variable y is not free in it. So all quantifiers in φ, if any, must appear in
Axiom schema of predicative separation
Axiom_schema_of_predicative_separation
Theorem that tells the maximum rate at which information can be transmitted
presence of the noise interference, assuming that the signal power is bounded, and that the Gaussian noise process is characterized by a known power
Shannon–Hartley_theorem
theorem and Quantifier elimination. Current implementations of decision procedures for the theory of real closed fields are often based on quantifier elimination
Decidability of first-order theories of the real numbers
Decidability_of_first-order_theories_of_the_real_numbers
Chemical bond theory
donating through a nitrogen atom. Although the classification was never quantified it proved to be very useful in predicting the strength of adduct formation
Lewis_acids_and_bases
Type of a context-free grammar
the universal quantifier for w 1 {\displaystyle w_{1}} is omitted, and w 1 {\displaystyle w_{1}} is added to the "for some" quantifier for w 2 , w 3 {\displaystyle
LL_grammar
Computer science metric of string similarity
distances include: LCS distance is bounded above by the sum of lengths of a pair of strings. LCS distance is an upper bound on Levenshtein distance. For strings
Edit_distance
Number representing a continuous quantity
numbers with an upper bound admits a least upper bound. This means the following: A set of real numbers S {\displaystyle S} is bounded above if there is a
Real_number
Chemical compound
Structure of NAO NAO & CL arranged in a highly ordered way The detection, quantification, and localisation of CL species is a valuable tool to investigate mitochondrial
Cardiolipin
Formalism of first-order logic
(PNF) if it is written as a string of quantifiers and bound variables, called the prefix, followed by a quantifier-free part, called the matrix. Together
Prenex_normal_form
Value indicating the relation of a proposition to truth
Free/bound variable Language Metalanguage Logical connective ¬ ∨ ∧ → ↔ = Predicate functional variable propositional variable Proof Quantifier ∃ ! ∀
Truth_value
Alternative to Tarskian semantics
(of the quantifiers) or substitutional quantification. The idea of these semantics is that a universal (respectively, existential) quantifier may be read
Truth-value_semantics
Noun whose quantity is treated as an undifferentiated unit
is quantified as "20 litres of water" while the count noun "chair" is quantified as "20 chairs". However, both mass and count nouns can be quantified in
Mass_noun
Type of mathematical variable
range of different propositions, and when such variables can be bound by quantifiers to such sets of propositions, then the result is a higher-order predicate
Predicate_variable
Additional mathematical object
Free/bound variable Language Metalanguage Logical connective ¬ ∨ ∧ → ↔ = Predicate functional variable propositional variable Proof Quantifier ∃ ! ∀
Mathematical_structure
Determine the concentration of a virus
Virus quantification is counting or calculating the number of virus particles (virions) in a sample to determine the virus concentration. It is used in
Virus_quantification
Fundamental theorem in mathematical logic
is at least slightly stronger than Q (e.g. if it includes induction for bounded existential formulas), then Tennenbaum's theorem shows that it has no recursive
Gödel's_completeness_theorem
On linear-time algorithms for graph logic
descending from that bag. When G has bounded treewidth, it has a tree decomposition in which all bags have bounded size, and such a decomposition can be
Courcelle's_theorem
Set of elements common to all of some sets
Free/bound variable Language Metalanguage Logical connective ¬ ∨ ∧ → ↔ = Predicate functional variable propositional variable Proof Quantifier ∃ ! ∀
Intersection_(set_theory)
Mnemonic, giving criteria to guide in the setting of objectives
objectives that are specific, measurable, assignable, realistic, and time-bound. This framework is commonly applied in fields such as project management
SMART_criteria
Graph representation in quantum mechanics
construction, the entanglement entropy of a region in an MPS or PEPS is bounded by the virtual bonds crossing its boundary, so these ansätze satisfy corresponding
Tensor_network
Branch of mathematical logic
in conjunctive normal form such that the first-order quantifiers are universal and the quantifier-free part of the formula is in Krom form, which means
Descriptive_complexity_theory
Existence of values making formula true
Free/bound variable Language Metalanguage Logical connective ¬ ∨ ∧ → ↔ = Predicate functional variable propositional variable Proof Quantifier ∃ ! ∀
Satisfiability
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travel, tourism, insurance