Archived tweet #11366 from the @leastfixedpoint Twitter Archive@bahstgwamt @dyokomizo @coreload @lukego @littlecalculist @sperbsen Hmm. Is it? I don't see it yet. For the example above, if you were recording the receiving process/ambient, you'd log the sequence of messages that crossed its perimeter, much like Prevayler does. From that you can reconstruct the reductions inside the perimeter.