Merhaba!
 
In my conlang Tsaan, I've decided that there's no 3p. I was wondering
 
1. if it's OK to replace the assumed 3p pronominal prefix (in this case) with the external argument represented by it in, say, English:
 
s+kal+taal
child+fish+eat
'The child eats the fish'
 
2. if it's OK to use 4p for both the meanings "someone unknown" and "someone already mentioned and identified in the conversation".
 
Am I breaking any rules?
 
--Trebor