Contrary to what you seem to think, wouldn't and won't are almost never interchangeable. Wouldn't is indeed short for would not, as in would you not want. It is simply a rhetorical question, meant to express of course you want extra protection.
Dec 21, 2019what does it mean when you say 'what i wouldn't give to be there? Mar 3, 2021i wouldn't want to change a thing implies that i am happy with it. That is the way that i like it, and i would not allow that to be different, and that i wouldn't change anything, even if i could.
"i wouldn't" implies the possibility of unspoken/implied conditions: Would is a modal verb with several uses, of which one is to express past intention or willingness. As you suggested, in your example, it expresses willingness, or rather, because of the negative n’t,.
I wouldn't go so far as to say that computers will replace teachers in the near future. Why do you need "to" Do they have the same meaning?
It would be better if you provide example sentences. I wouldn't be so sure.
