Another tactic I tried by way of porting operator variables into logical graphs and laws of form was to hollow out a leg of Spencer Brown’s crosses, gnomons, markers, whatever you wish to call them, as shown below.

The initial idea I had in mind was the same as before, that the operator over would be counted as absent when evaluates to a space and present when evaluates to a cross.

However, much in the same way operators with a shade of negativity tend to be more generative than the purely positive brand, it turned out more useful to reverse this initial polarity of operation, letting the operator over be counted as absent when evaluates to a cross and present when evaluates to a space.

So that is the convention I’ll adopt from this point on.

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