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Recent questions tagged equivalence-class

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Equivalence relation
True / false ?a. Partitions formed from congruence classes modulo $6$ is a refinement of the partitions formed from congruence classes modulo 3s and t are ... then $R_4$ creates refinement partitions with respect to the partitions of $R_3$.
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Gate Computer Science group Fb post
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ISRO2007-29
The set of all Equivalence Classes of a set A of Cardinality Cis of cardinality $2^c$have the same cardinality as Aforms a partition of Ais of cardinality $C^2$
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Consider these statements, of which the first three are premises and the fourth is a valid conclusion.
“All hummingbirds are richly colored.”“No large birds live on honey.”“Birds that do not live on honey are dull in color.”“ ... i get some different ans , so that ans would be right or wrong .
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Which of these relations on the set of all functions from Z to Z are equivalence relations?
Which of these relations on the set of all functions from Z to Z are equivalence relations?(a) $\{(f,g) \mid f(1)=g(1)\}$ ... to analyze when the relations defined on set of function. If anyone describe a bit it would helpful.
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Determining a given subset is partition or not?
Which of these collections of subsets are partitions of the set of bit strings of length 8?(a) the set of bit strings that end with 00, the set of bit strings that ... different partition of (b) and if there is any, then why not in (a).
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Determine the given relation is Equivalence Relation or not.
$R_{1} \oplus R_{2}$I know that $R_{1} \oplus R_{2} = R_{1} \cup R_{2} - R_{1} \cap R_{2}$, and $R_{1} \cup R_{2}$ is not necessarily an ... what we will get? For example consider this, what will be the graph of $R_{1} \oplus R_{2}$?
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TOC -Number of Equivalence Classes
The number of equivalence classes which exist for the following regular expression R are ______. $R=(a+b)^*b(a+b+\epsilon )$ what is the meaning of equivalence classes here...
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