just for space saving purposes i edit the majority of your fine post sir.
so, we can not determine the time that an infant starts to associate pain as we percieve it. understandable and we'll conclude that it is not at the time of the circ.
i understand that these are merely words and definitions can be a matter of perspective i guess. but we can use reference to help us define terminology right. if we both look at a set of colors, we can both pick out the green from the red. if a blind man does not see the green does that mean it does not exist, for him yes, well maybe i should ask that. ill be directed to the cat in the box. which i understand. if we both stick a toothpick in our eye, we both descibe the same sensation right. we can even differentiate between various pains and degree of pains.