I would like to make a copy of a fact, such that I can retract the original and be left with my duplicate. Naturally, I have tried the duplicate function, however this requires three arguments, the third of which must be a list with "the name of a slot in this fact and a new value to assign to the slot." This argument must be supplied, but I do not wish to change any of the values in the slot. I could always get the current value of the original slot and copy that to the duplicate but that seems like extra work. What is the proper way to do this? Thanks!
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