3.3.6 Range Operator |
M .. Nreturns
* the list [M, M+1, ... ,N] if M <= N; * the empty list, [], otherwise.If x and y are indeterminates in a ring, then
x .. ygives the indeterminates between x and y in the order they appear in the definition of the ring.
Example |
1..10; [1, 2, 3, 4, 5, 6, 7, 8, 9, 10] ------------------------------- Use R ::= Q[x,y,z,a,b,c,d]; z..c; [z, a, b, c] ------------------------------- |