In "The Cask of Amontillado," what were the 3 or 4 rules Montressor believed were important in order for his act to be considered revenge?I believe...

I don't know that there are any concrete regulations for
committing the perfect crime, but Montressor had a pretty good idea. First, there could
be no witnesses; therefore, he made certain that none of his servants would be at his
home during his meeting with Fortunato. Secondly, no sounds could be heard, so
Montressor made sure that Fortunato's screams would not be heard in the depths of the
catacombs. Third, the body must never be found, and Montressor's location--plus, his
decision to wall up the niche--would assure this. Fourth, Fortunato must not have any
inkling of the true intent that Montressor has in store for him. Two other
considerations were also important to Montressor: He must never be caught, since his
incarceration would ruin his degree of revenge.

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A wrong is unredressed when retribution overtakes
its redresser.

And of utmost
importance, Fortunato must understand--must be told--why the act is being
undertaken.

It
is equally unredressed when the avenger fails to make himself felt as such to him who
has done the wrong.