If “not” is primarily under the control of circumstances in which “well” would not usually be reinforced, then “not” is an autoclitic tact. If “not” is primarily meant to cancel “well” and enjoin the listener not to react in a typical manner to “well,” then it is an autoclitic mand. This example is often probably a little of both (i.e., an impure tact).
A verbal relationship with the following features:
The controlling variable is an establishing operation
It enjoins the listener to alter his or her reaction to the primary response
Response topography
The listener’s current reaction
The specific type of reinforcement specified by the response