- #1

karush

Gold Member

MHB

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$\text{15. Prove $A\cap(B/C)=(A\cap B)/(A\cap C)$}$

and

$\textsf{19. Let $f:A \to B$ and $g:B \to C$ be in invertable mappings;} \\

\text{that is, mappings such that $f^{-1}$ and $g^{-1}$ exist}\\

\text{Show that $\textit{$(g \, o \, f)^{-1}$}$}$

ok I am starting to do this and want to take a class in it starting 082018

so hope mhb can help me get a head start

text pdf is on pg15 #15 and #19

http://text:http://abstract.ups.edu/download/aata-20150812.pdf