disjunctive

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disjunctive
disjunctive, a. and n. (dɪsˈdʒʌŋktɪv) [ad. L. disjunctīvus, f. disjunct-us disjunct, disjoint: see -ive. Cf. F. disjonctif (desjointif in 13th c.).] A. adj. 1. Having the property of disjoining or disconnecting; characterized by or involving disjunction or separation.1570 Levins Manip. 153/31 Disiun... Oxford English Dictionary
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Disjunctive
Disjunctive can refer to: Disjunctive population, in population ecology, a group of plants or animals disconnected from the rest of its range Disjunctive pronoun Disjunctive set Disjunctive sequence Logical disjunction See also Disjoint (disambiguation) Disjunct (disambiguation) wikipedia.org
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disjunctive
disjunctive/dɪsˈdʒʌŋktɪv; dɪs`dʒʌŋktɪv/ adj(grammar) (of a conjunction) showing opposition or contrast between two ideas (eg either... or) (指连词)转折的, 反意的(如either... or). 牛津英汉双解词典
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Disjunctive cognition
Disjunctive cognition can also involve time perception. Blechner has suggested that whenever disjunctive cognitions occur, the two aspects of cognition that are disjunctive are handled in different parts of wikipedia.org
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Disjunctive Datalog
DLV is an implementation of disjunctive Datalog. Syntax A disjunctive Datalog program is a collection of rules. Semantics There are at least three ways to define the semantics of disjunctive Datalog: Minimal model semantics Perfect model semantics Disjunctive wikipedia.org
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Disjunctive Normal Form I need some help understanding how to convert a formula into disjunctive normal form. Can anybody explain how one would write φ = ((p ∨ q ∨ r) → (¬p ∧ r)) in disjunctive normal form? Is it p...
I think a truth table could work for simpler propositions, but this one in question is relatively complicated - using logical equivalences might be easier. Consider a conditional proposition $P \implies Q$, this is equivalent to $(\neg P \vee Q)$, which can be verified using a truth table. Thus cons...
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Disjunctive sum
In the mathematics of combinatorial games, the sum or disjunctive sum of two games is a game in which the two games are played in parallel, with each player This operation may be extended to disjunctive sums of any number of games, again by playing the games in parallel and moving in exactly one of the games wikipedia.org
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Disjunctive normal form of (¬(p → q) → (q ∧ ¬r)) I learning how to convert to disjunctive normal forms, I have the following, (¬(p → q) → (q ∧ ¬r)) I understand any p→q can be represented as (¬p)∨q...
$\neg(p\Rightarrow q) \Leftrightarrow \neg(\neg p\vee q)$ and so $\neg(p\Rightarrow q) \Rightarrow (q\wedge \neg r)$ is equivalent to $\neg(\neg(\neg p\vee q)) \vee (q\wedge \neg r)$ is equivalent to $(\neg p\vee q)\vee (q\wedge \neg r)$ is equivalent to $\neg p\vee q \vee (q\wedge \neg r)$. By abso...
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Disjunctive graph
In the mathematical modeling of job shop scheduling problems, disjunctive graphs are a way of modeling a system of tasks to be scheduled and timing constraints A valid schedule for the disjunctive graph may be obtained by finding an acyclic orientation of the undirected edges – that is, deciding for each pair wikipedia.org
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Is there a systematic way to write an expression in disjunctive normal form? Here is disjunctive normal form. < I understand what it is. However, I lack a systematic way of converting any complicated expression into...
In addition to the truth table method described by André, there is also a syntactical approach: First push the negations down to the leaves of the syntax tree using De Morgan's laws and double-negation elminiation. Then float the disjunctions to the top using the distributive law $a\land(b\lor c)=(a...
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Disjunctive sequence
A number that is disjunctive to every base is called absolutely disjunctive or is said to be a lexicon. The set of absolutely disjunctive reals is residual. It is conjectured that every real irrational algebraic number is absolutely disjunctive. wikipedia.org
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Disjunctive population
Although a disjunctive population may sometimes occur on an island, which creates physical separation via water, a large percentage of disjunctive populations hunting dog, Lycaon pictus, the entire population is scattered (throughout much of Africa) and is intrinsically disjunctive. wikipedia.org
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Constructive proof of the disjunctive syllogism in Natural Deduction for Intuitionistic Logic Is my constructive proof of the disjunctive syllogism principle correct? !enter image description here
As suggested by Mohsen Shahriari, your derivation is not correct: to obtain a correct derivation you should explicit the rules used in the "vertical dots" part of your derivation. The following is a derivation of $((\Phi \lor Q) \land \lnot \Phi) \to Q$ in intuitionistic (and hence "constructive") n...
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Disjunctive normal form
A DNF formula is in full disjunctive normal form if each of its variables appears exactly once in every conjunction. All logical formulas can be converted into an equivalent disjunctive normal form. wikipedia.org
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