2 thoughts on “Imagine S5 – an evolving post

  1. Not sure where you’re going with this – but I find it a bit funny already, because S4 and S5 are systems in modal logic – modal logic, of course, is the logic of possibility and necessity, which are concepts both evoked when you say ‘imagine’…

  2. Modal Logic – a new one to me. But thanks to wikipedia I think I understand what you’re getting at.

    Hopefully my destination will become clearer once I’ve worked out what it will be.

    It reminds me of old Irish joke about the man who stopped his car and asked the farmer for directions:

    “Aye I can tell you how to get there but I wouldn’t have started from here!”

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