Reply To: Learning lomdas

The Tosfas Rid wiith tbe help of the Ketzos explain the conditions for shlichas. It only appies where a massei,an action is involved but you can’t make a shliach to wear tefilin for you as the lying on the hand is the mitzva. So the fruits of the action transfers from one to an other.
A cute interpretation on שלוחו של אדם כמותו Adam Harishon was punished by being sent out of tbe Gan Eden instead of dying of the day he ate from the eitz hadaas.