Question

one to one correspondence functions

Answer 1

$Solution: \\one-to-one~ correspondence ~is ~a ~function~ between~ the~ elements~ of~ two ~sets, \\where ~each ~element ~of ~one~ set~ is~ paired ~with~ exactly~ one~ element ~of ~the ~other ~set,~ \\and ~each ~element ~of ~the ~other ~set~ is~ paired ~with~ exactly~ one ~element ~of ~the~ \\first~ set. There~ are ~no ~unpaired~ elements. \\$