Mark A. Biggar wrote:
Well the identity of % is +inf (also right side only).

I read $n % any( $n..Inf ) == $n. The point is there's no unique right identity and thus (Num,%) disqualifies for a Monoid. BTW, the above is a nice example where a junction needn't be preserved :)


E.g. if X<Y is left associative and returns Y when true then ...

Sorry, is it the case that $x = $y < $z might put something else but 0 or 1 into $x depending on the order relation between $y and $z? -- TSa (Thomas Sandla▀)



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