On Thu, Jan 06, 2011 at 04:35:56PM -0500, Joshua Meisner wrote: : Unless one places R' Chiyya in the shnei alafim Torah, and draws the line : between tannaim and amoraim after him. Which one could do, but only as a variant on the CI's shitah. He defines the end as the writing of the mishnah. Tir'u baTov! -Micha