Summary
- clarified signature: tree structure is not essential;
- merged
- misc tuning and modernization;
- merged
- use Item_Net to store inductive info
- tuned whitespace;
- tuned signature;
- more accurate qualified lookup; tuned;
- clarified fall-back name;
- tuned signature;
- tuned whitespace;
- clarified modules;
- clarified checks -- avoid duplicated messages (amending 60c159d490a2);
- proper default (amending 601866c61ded);
- Fixed import path in Factorial_Ring
- Merged
- Merged
- Tuned
- Merged
- moved AFP material to Formal_Power_Series; renamed E/L/F in Formal_Power_Series
- moved material from AFP to distribution