¨¨#¨#¨##¨¨                                          #¨¨¨##¨#¨#
#¨¨¨¨¨###¨                                          ¨#¨¨##¨¨¨¨
¨#¨¨¨¨#¨##                                          ¨¨#¨###¨¨¨
¨¨#¨¨¨¨¨##                                          #¨¨¨#¨##¨¨
¨¨¨#¨¨¨¨#¨                                          ##¨¨¨¨###¨
¨¨¨¨#¨¨¨¨¨                                     ¨    ¨##¨¨¨#¨##
#¨¨¨¨#¨¨¨¨                                        ¨ ¨###¨¨¨¨##
##¨¨¨¨#¨¨¨                                    ¨ -¨  ¨#¨##¨¨¨#¨
###¨¨¨¨#¨¨ 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.)                 ¨¨¨¨¨#¨¨¨#
¨##¨¨¨¨###                                          ¨¨¨¨¨¨#¨¨#
¨###¨¨¨#¨#                                          ¨¨¨¨¨¨¨#¨¨
¨#¨##¨¨¨¨#                                          ¨¨¨¨¨¨¨¨#¨
¨¨¨###¨¨¨#                                          ¨¨¨¨¨¨¨¨¨#
#¨¨#¨##¨¨¨                                          ¨¨¨¨¨¨¨¨¨¨