Question
Let R be a commutative ring and let M be an R-module. For a subset S M. The annihilator of S is defined to be
Let R be a commutative ring and let M be an R-module. For a subset S M. The annihilator of S is defined to be Ann(S) := {r R | x S, rx = 0}. Prove that Ann(S) is an ideal of R.
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Financial Algebra advanced algebra with financial applications
Authors: Robert K. Gerver
1st edition
978-1285444857, 128544485X, 978-0357229101, 035722910X, 978-0538449670
