SOLUTION: A is a nonempty set. The empty relation ∅ is a relation on A.
Is the relation R=∅ invertible in (R(A),o)
a. No. For all S ∈ R(A), ∅o S= ∅
b. Yes. Its inverse is ∅
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-> SOLUTION: A is a nonempty set. The empty relation ∅ is a relation on A.
Is the relation R=∅ invertible in (R(A),o)
a. No. For all S ∈ R(A), ∅o S= ∅
b. Yes. Its inverse is ∅
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Question 1195889: A is a nonempty set. The empty relation ∅ is a relation on A.
Is the relation R=∅ invertible in (R(A),o)
a. No. For all S ∈ R(A), ∅o S= ∅
b. Yes. Its inverse is ∅ Answer by ikleyn(52794) (Show Source):
