Talk:General Associative Law for Ordinal Sum

What exactly is 'generalised' about this associative law? --Lord_Farin 07:28, 17 August 2012 (UTC)


 * It says, basically, that $( ( a_1 + a_2 ) \dots + a_n ) = ( a_1 + \dots ( a_{n-1} + a_n )$. --Andrew Salmon 17:15, 17 August 2012 (UTC)