Describe the reflexive closure of transitive closure of r

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Reference no: EM131167468

a) Let S be the set of subroutines of a computer program. Define the relation R by PR Q if subroutine P calls subroutine Q during its execution. Describe the transitive closure of R.

b) For which subroutines P does (P, P) belong to the transitive closure of R?

c) Describe the reflexive closure of the transitive closure of R.

Reference no: EM131167468

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