<span class="Apple-style-span" style="border-collapse: collapse; font-family: arial, sans-serif; font-size: 15px; ">While the Sanhedrin existed until the later years of the 2nd Bet HaMikdash, every Machlokes was resolved and the resolution became Torah MiSinai</span>
<div><span class="Apple-style-span" style="border-collapse: collapse; font-family: arial, sans-serif; font-size: 15px; "><br></span></div><div><span class="Apple-style-span" style="border-collapse: collapse; font-family: arial, sans-serif; font-size: 15px; ">What does that mean, "became Torah MiSinai"?</span></div>
<div><span class="Apple-style-span" style="border-collapse: collapse; font-family: arial, sans-serif; font-size: 15px; ">It can not mean that it could no longer be contested and disputed, that goes against RaMBaM that all rulings of BD (not Gezeiros Takanos or Minhagim or SeYagim) are open to review and the present BD has a duty to provide guidance for its generation and the people of this generation are not permitted to follow the rulings of any preceding BD but MUST follow the rulings of THEIR BD.</span></div>