Bava Batra 129: Gifting Inheritance

How to handle inheritance - with oral designation as a gift, and not as "inheritance." Including the question of when one must stipulate that a gift is indeed a gift in the statement of establishing a gift (beginning, middle, or end of the giving). Also, a dispute among 3 Amoraim -- when or whether giving a gift in place of "inheritance" would be effective. Plus, how that kind of gift can be reapportioned to others. Also, when one rethinks a statement with legal consequences, one can recant -- if one does so in a very speedy manner: fundamentally, "within the initial statement."