discussion: Repeat querying

[oslopanda]

Hello,

Thank you for the nice work! While using Xerus, i feel there might be many repeating querying from the database? For instance a system with elements A, B, C, and D the program try to query combinations A, B, C, D, (AB), (AC), (AD), (BC),(CD)..... However, if you just query for (ABCD) you will get all the combinations from the database? Or i am totally wrong?