mechanism
Why we’ve included this: we have to cope with conditional structures quite often in everyday life, and if you misunderstand there are consequences. Even more so in programming and other formalised situations.
mechanism
Emphasis on transcription and on avoiding errors and sometimes repairing them A coding is a transcription. Instead of a postal area spelled out in words, we can use a zip code or a postal code. Our interest is in transcription errors: what happens when somebody writes down the wrong code,