is a sutra?
What are the rules for writing a sutra?
alpaksharama - concise
asandigdham - without vagueness
saravata - harmony of syntax without redundancy
- can have more than one meaning but no self contradiction
- minimum number of sutras
akshobhyama - w/o exuberant adjectives
anavadyama - logical grammar - no contradiction
ca sutram sutraviduhu - recognised as sutra by those who are known authorities