Yes, that is my argument, the problem is not having the source material to back it up.
If it helps, his argument is that Fharlanghn would not be able to provide the spell in the first place because he doesn't have the appropriate domains. Essentially, Pelor can provide good spells because one...
ccs,
Yes, but he's a reasonable DM and if I give a solid argument he'll listen to it.
EDIT: He also specifically asked me to see what other people have to say about this question.
I'm playing a True Netural cleric of Fharlanghn. My DM says that she cannot cast divine spells with any alignment descriptors due to the following rule:
Chaotic, Evil, Good, and Lawful Spells (PHB pg 33) "A cleric can't cast spells of an alignment opposed to his own deity (if he has one). For...