??? a function which blows up only on a reducible subvariety x can be expressed as a sum indexed by the components of x of functions each of which blows up only on the corresponding component ??? .... ???? .....

(??? maybe this does indicate resolution of multiple transitivity paradox .... ?? ... not constructing any new point from two given ones .... ???? .....

?? but ... x * 1/x = 1 ..... ????? ..... )

??? prime ideal ... divisor .... ????? ......

?? product of ideals ..... ??????.....

a/b + c/d ..... ????? .....

1/x + 1/y .... ?????.....