Hi,

Thanks for the replies so far. If it helps, after I sent my post, I spotted a couple of arithmetic examples:

Neil Brown wrote:
2: (a % b) % c = (a % c) % b
Division (on rationals) obeys this property (a / b) / c = (a / c) / b -- which is actually equal to a / (b * c), but that doesn't matter for my property.
4: (a % b) ~ c = (a ~ c) % b
Division and multiplication on rationals obey this property: (a / b) * c = (a * c) / b.

Thanks,

Neil.
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