0. Re and Im

:
 re(z) <> im(z); t,t
 re(z) + im(z) <> 0; t,-t
:
 re(z) <> 0; 0,t
 im(z) <> 0; t,0
:
 re(z) > 1; 1,t
 im(z) > 1; t,1
 re(z) > -1; -1,t
 im(z) > -1; t,-1
:
 re(z) < 1; 1,t
 im(z) < 1; t,1
 re(z) < -1; -1,t
 im(z) < -1; t,-1
