(...) Aha -- I think that's a key point! In numbers and divisors and factors, the isomorphic example to "simplest thing common to all" is probably the lowest common factor (always 1) or lowest common prime factor between a set of numbers. 1 would be (...) (25 years ago, 17-Oct-99, to lugnet.off-topic.geek)
(...) Uh, I think that'd be "inconsistency in my bookmark file". For a while, we were pedantic about the something-can't-be-b...d-a-domain rule, but then we decided to give in to the New World Order of web/dns. *grin* (25 years ago, 17-Oct-99, to lugnet.off-topic.geek)