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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
svoid test_FactStore() {
  PhilosophyBot1 bot = new([[
    $x weighs $y
      => delete all (last time $x weighed $z)
       & store      (last time $x weighed $y)
  ]]);
  bot.parseProgram();
  new SimpleFactStore fs;
  philosophyBot1_factStore(bot, fs);
  bot.addFact("x weighs (50 pounds)");
  bot.think();
  print(fs);
}