M + N = {m+n : m € M and n € N}. Prove that for all n € N, the number sup(M + N) − n is an upper bound for M. -

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Let M and N be nonempty bounded subsets of R and let
M + N := {m+n: m € M and n € N}.
Prove that for all n € N, the number sup(M + N) − n is an upper bound for M.
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Transcribed Image Text:M + N := {m+n: m € M and n € N}. Prove that for all n € N, the number sup(M + N) − n is an upper bound for M. -
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