Question: Show that if ( x , ? x ) and ( Y , ? Y ) are well - ordered sets then ( x Y

Show that if (x,?x) and (Y,?Y) are well-ordered sets then (xY,?dict)
is also well-ordered. Here ?dict is the dictionary ordering.
Show that if (x,?x) and (Y,?Y) are well-ordered sets then (xY,?dict)

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