Positive connotations would be that there is as sense of normalcy and acceptance of everyday life.
I find it much easier to argue the negative connotations that is implies an underwhelming sense of being mundane and boring, it could like to low status socially or financially or it could also suggest an insignificance.
Hope this helps :)))
She finds that Tobias is stuck in a simulation that makes him think Tris is an enemy, I believe.
How sound is the logic is basically like saying how reasonable or justified and concrete is the logic