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Revision as of 03:34, 28 July 2021
Each prior
f':x
x f':y
x f':y
Each prior applies a two argument function(dyad) to each element, and the element prior to it.
If provided with a left argument, uses it as an initial value.
-':1 6 2 3 4 1 5 -4 1 1 5-':1 6 2 3 4 -4 5 -4 1 1