Ghlen Livid inserted vec_a_t_Delta_t__.tex into layout  almost 8 years ago

Commit id: 22b0989bd9de6d30102eb9a7d02eb0d1d8559cbd

deletions | additions      

       

Inverse_is_also_true_if__.tex  Then_vec_v_t_Delta__.tex  From_3_vec_a_t__.tex  vec_a_t_Delta_t__.tex