Reference for Yevamot 49:14

וכ"ת שאני עדות אשה דאקילו בה רבנן והא"ר מנשה

would he have been allowed to marry the divorcer's wife? But, surely, when the Statement is, 'HE DIED', in which case we do not depend entirely upon him since a Master said, 'a woman<span class="x" onmousemove="('comment',' Ab death of whose husband is attested by one witness Only. ');">⁴³</span> makes careful inquiry before she marries'<span class="x" onmousemove="('comment',' And for this reason is allowed to remarry. Infra 53 b, 115a. 116b. ');">⁴⁴</span> and yet it was stated, HE MUST NOT MARRY HIS WIFE! — There,<span class="x" onmousemove="('comment',' In the case of evidence of death. ');">⁴⁵</span> no document exists, but here<span class="x" onmousemove="('comment',' Divorce. ');">⁴⁶</span> a document<span class="x" onmousemove="('comment',' The letter of divorce. ');">⁴⁷</span> does exist. For thus we have learned: Wherein lies the difference between [the admissibility of] a letter of divorce and [that of evidence of] death?<span class="x" onmousemove="('comment',' I.e., why are certain relatives accepted as legally qualified. carriers of a letter of divorce but not as witnesses to the death of a husband? ');">⁴⁸</span> In that the document<span class="x" onmousemove="('comment',' The letter of divorce. ');">⁴⁷</span> supplies the proof.<span class="x" onmousemove="('comment',' V. Git. 23b, infra 117a. ');">⁴⁹</span> [SIMILARLY, IF HE STATES], 'HE DIED', 'I KILLED HIM', OR 'WE KILLED HIM', HE MUST NOT MARRY HIS WIFE. Only he, then, must not marry his wife, she, however, may be married to another man? But, surely, R. Joseph said: [If a man stated], 'So-and-so committed pederasty with me against my will', he and any other witness may be combined<span class="x" onmousemove="('comment',' The two together forming a pair of witnesses, the minimum required for bringing about a man's condemnation by a court of law. ');">⁵⁰</span> to procure his execution; [if, however, he said], 'with my consent',<span class="x" onmousemove="('comment',' Was the crime committed. ');">⁵¹</span> he is a wicked man concerning whom the Torah said, Put not thy hand with the wicked to be an unrighteous witness!<span class="x" onmousemove="('comment',' Ex. XXIII, which shews that a man who admitted a criminal offence may not act as a witness at all! ');">⁵²</span> And were you to reply that matrimonial evidence<span class="x" onmousemove="('comment',' In allowing a woman to marry on the evidence of the death of her husband. ');">⁵³</span> is different because the Rabbis have relaxed the law in its case,<span class="x" onmousemove="('comment',' In other cases two witnesses are required and in this case one is sufficient. ');">⁵⁴</span> surely, [it may be pointed out], R. Manasseh stated:

Jastrow