ἐὰν δὲ μετὰ τοὺς λόγους τούτους βουλεύσωνται οὗτοι καὶ οὗτοι προσθεῖναι ἢ ἀφελεῖν, ποιήσονται ἐξ αἰρέσεως αὐτῶν, καὶ ὃ ἐὰν προσθῶσιν ἢ ἀφέλωσιν ἔσται κύρια.

1. ἐὰν
   if
2. δὲ
   but
   and
3. μετὰ
   with
   after
4. τοὺς
   the
5. λόγους
   words
6. τούτους
   these
7. βουλεύσωνται
   they deliberate
8. οὗτοι
   these
9. καὶ
   and
10. οὗτοι
    these
11. προσθεῖναι
    to add
12. ἢ
    the
    or
13. ἀφελεῖν
    to remove
    to take away
14.  
    ,
     
15. ποιήσονται
    they will make
    they will consider, they shall do
16. ἐξ
    from
    out of
17. αἰρέσεως
    choice
    sect
18. αὐτῶν
    their
    of them
19.  
    ,
     
20. καὶ
    and
21. ὃ
    the
22. ἐὰν
    if
23. προσθῶσιν
    they add
24. ἢ
    the
    or
25. ἀφέλωσιν
    they take away
    they set apart
26. ἔσται
    will be
27. κύρια
    lady
    mistress, valid
28.  
    .
     

If after these words both parties deliberate to add or to remove something, they will do so from their own choice, and whatever they add or take away will be authoritative.