y'= 0 \/ y ~0 -> y-1
Which I hope says that the next value of y is zero or y-1 if y is not zero.
However, when I put this as a property in TLC, I get the error:
Was expecting ===== or more module body, encountered '~' in Properties at line 1 and token 'y'.
Obviously it's not happy with the ~ (equally unhappy with \lnot), but I'm not sure how to proceed from here!
y ~0 -> y'= y-1, same error
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(y=0 /\ y' = 0) \/ (y # 0 /\ y' = y-1)
But when I put this as a property in TLC, I get the error:
"The property ... is not correctly defined."
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