EDB — 12P

Exercises

1. [12P]Prerequisites:[124]↺↻,[127]↺↻.Sia \(\tilde B=\{ -b:b∈ B\} \). Show that

   \[ (A ∙ B)^ c= ( A ^ c ∘ \tilde B )~ . \]
   Solution 1

   [12Q]↺↻