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Set Questions
10-27-2010, 10:09 AM
Post: #1
Set Questions
(1) Exame whether $(a,b)=(c,d) \to (a=c \wedge b=d)$ if define $(a,b)$ as
$\quad\quad\;$ (I) $(a,b) = \{a,\{b\}\}$ or
$\quad\quad$ (II) $(a,b) = \{\{\{a\},\varnothing \},\{\{b\}\}\}$
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