While playing Galciv2 I was just wondering about something...
One thing I do often is when a war is going well for me against an ai opponent and he offers a peace treaty is I make him give me all (or as much as he'll give me) of his techs too for the treaty. When I am a bit behind in techs this can be a ton of "free" techs that I get in exchange for a peace treaty.
But then a few turns later I just declare war on him again and finish him off.

My question is are you penalized for this by the other ai players? Will they be more inclined to declare war on you or something if you use this tactic? Just wondering if there's any penalty at all for this piece of treachery.