Musar for Sanhedrin 47:4
הא ליכא כת אחרת מאי הכי נמי דלא מצי פסלי היינו דרב דימי
that since the witnessesare [undisputably] disqualified, so are the judges too: that is correct,seeing that another bench of judges is available [to try the case]. But [canone argue], since the judges are disqualified, so are the witnesses too,seeing that no other witnesses may be available? — This holds good onlywhen another set of witnesses is available. Then what if no other set ofwitnesses is available; [will you say that] here too [viz., according toRabin] the witnesses cannot be disqualified? But his view is then identicalwith that of R. Dimi!<span class="x" onmousemove="('comment',' Who said above that where there is only one set of witnesses available, all agree that they cannot be rejected. ');"><sup>3</sup></span>