Tag Archives: pibroch

A pibroch on Craigowl

gate-trim-1At Prieston there is a binary gate
Of ten inputs:
Many locks, many keys
And many combinations,
Only any one of which is required.
An Ur OR-gate:
Case open or shut.

But just beside
This logic of admittance
A grand big stone sits quietly by
Styling the fence
For any curious pedestrian.

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