Question: Mark each statement True or False. Justify each answer. (a) If Acap B=(O)/() , then either A=(O)/() or B=(O)/() . (b) If xinAcup B ,

Mark each statement True or False. Justify each answer.\ (a) If

A\\\\cap B=(O)/()

, then either

A=(O)/()

or

B=(O)/()

.\ (b) If

xinA\\\\cup B

, then

xinA

or

xinB

.\ (c) If

xin(A)/(/)B

, then

xinA

or

x!inB

.\ (d) In proving

SsubeT

, one should avoid beginning with "Let

xinS

," because this assumes that

S

is nonempty.

Mark each statement True or False. Justify each answer.\ (a) If

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