~¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨~
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                     ¨    ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                        ¨ ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                    ¨ ~¨  ¨¨¨¨¨¨¨¨¨¨
~¨¨¨¨¨¨¨¨¨ gull call.                    ¨      ¨ ~ ¨¨¨¨¨¨¨¨¨~
«~¨¨¨¨¨¨¨¨ «««««««««««««««««««««««««««««««««««««««« ¨¨¨¨¨¨¨¨~«
=«~¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨~«=
%=«~¨¨¨¨¨¨ the  seagull is a metaphysics  trick;  a ¨¨¨¨¨¨~«=%
¤%=«~¨¨¨¨¨ world-builder's  shortcut,  to define  a ¨¨¨¨¨~«=%¤
£¤%=«~¨¨¨¨ section of reality  and imply its  size: ¨¨¨¨~«=%¤£
@£¤%=«~¨¨¨ place a flock  of birds at the edge  and ¨¨¨~«=%¤£@
#@£¤%=«~¨¨ make  their  calls  tesselate  over  the ¨¨~«=%¤£@#
##@£¤%=«~¨ entire volume                            ¨~«=%¤£@##
#@£¤%=«~¨¨                                          ¨¨~«=%¤£@#
@£¤%=«~¨¨¨ a seagull  can be defined by  as  little ¨¨¨~«=%¤£@
£¤%=«~¨¨¨¨ as  five  vertices;  six  triangles.  (i ¨¨¨¨~«=%¤£
¤%=«~¨¨¨¨¨ would  recommend handling in  swarms  of ¨¨¨¨¨~«=%¤
%=«~¨¨¨¨¨¨ at least a dozen birds.)                 ¨¨¨¨¨¨~«=%
=«~¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨~«=
«~¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨~«
~¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨~
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨
¨¨¨¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨