(5) Consider the set T= {(-1)"(1-): n E Z4). (i) Show that 1 is an upper bound for T. (ii) Show that if d is an upper bound for T, then d 2 1 (Hint: A proof by contradiction might. be helpful, as well as the Archimedean Property. (4,4]

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(5) Consider the set T=(-1)"(1-): n e Z4).
(i) Show that 1 is an upper bound for T.
(ii) Show that if d is an upper bound for T, then d 2 1 (Hint: A proof by contradiction might be
helpful, as well as the Archimedean Property).
(4,4]
Transcribed Image Text:(5) Consider the set T=(-1)"(1-): n e Z4). (i) Show that 1 is an upper bound for T. (ii) Show that if d is an upper bound for T, then d 2 1 (Hint: A proof by contradiction might be helpful, as well as the Archimedean Property). (4,4]
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