svoid philosophyBot1_addDeepReplacement(PhilosophyBot1 bot, S in, S out) {
  if (bot.deepReplacements == null) {
    bot.deepReplacements = ciMap();
    
    // enable replacer
    bot.anyCodeOnFacts.newA(fact ->
      bot.addFact(gazelle_deepReplaceFullPhrases(bot.deepReplacements, fact)));
  }

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