svoid philosophyBot1_addDeepReplacement(PhilosophyBot1 bot, S in, S out) {
  if (bot.deepReplacements == null) {
    bot.deepReplacements = ciMap();
    bot.addDeepTransformer(s -> bot.deepReplacements.get(s));
  }

  bot.deepReplacements.put(in, out);
}