a) A’ ⊂ A and R’ = R ∩ (A’ x A’)
b) A’ ⊂ A and R ⊂ R’ ∩ (A’ x A’)
c) R’ = R ∩ (A’ x A’)
d) A’ ⊆ A and R ⊆ R’ ∩ (A’ x A’)
Let, D = be a directed graph or digraph,then D’ = is a subgraph if ___________
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Let, D = be a directed graph or digraph,then D’ = is a subgraph if ___________
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