Allowing testimony by a single witness, to establish the [im-]permissibility of a disputed item: Gittin 2b, 3a
The above is not so, for cases involving adulterous/incestuous relationships: Gittin 2b, 3a
Amatla - An Excuse, Explaining a [False] Statement
Explain why a woman said she was married, falsely: Ketuvot 22a
Explain why a woman said she was Menstruating, falsely: Ketuvot 22a-b
BeYado - Credibility Where the Truth is Under the Testifier's Control
Believing a father that his son is a Kohen, to eat Terumah, but not for Marriage: Ketuvot 25b
Believing that a house was checked for Leaven before Pesach: Pesachim 4a-b [See Tos.]
Worrying about "Favor-Traders" Among Witnesses Aiding Each Others' Cases
Testimony on his friend's status as a Kohen: Ketuvot 23b-24a
Testimony claiming his friend's Produce was already tithed: Ketuvot 24a
Above, if it is clear that he has come to sell his own Produce: Ketuvot 24a-b
The one who forbade X, permitted X
For Different Levels of Personal Liability in the Testimony: Ketuvot 23b-24a
Source for this principle, in Pesukim or in Logic: Ketuvot 22a
If there are other Witnesses for the Prohibition Part: Ketuvot 17b-18a, 18b, 19b, 22a
If Testimony was accepted on the basis of "He who Forbade it Permitted It," and then Witnesses came to Forbid it: Ketuvot 22a
"Your father owned this field, and sold it to me": Ketuvot 15b-16a, 17b
"You sold this field to me": Ketuvot 17b
"I borrowed money from you, and paid it back": Ketuvot 18a
"I borrowed money from your father, and paid part back": Ketuvot 18a
"Those are our signatures, but our Testimony was Invalid": Ketuvot 18b
Verifiers recognize the Witnesses's signatures, but say the Testimony was Invalid: Ketuvot 19b
"I was married, and am now divorced": Ketuvot 22a
"I was captured, but I was not Nivelet": Ketuvot 22a
Mah Li LeShaker - Why would I lie?
Where there are Witnesses: Ketuvot 27b
If a woman says she didn't hide from the invading soldiers, nor was she slept with: Ketuvot 27a-b
If a leaser says he took a hired animal where he shouldn't have, but the damage didn't come from an expected danger: Ketuvot 27b
Maysi'ach Lefi Tumo [Speaking without Knowledge of the Speech's Effect]
Testimony that a man's brother is a Levi: Ketuvot 25b-26a
Testimony that a man is a Kohen, because he says he ate Terumah: Ketuvot 26a
Testimony that a man's mother was captured but not Niv'eles: Ketuvot 27b
Rav Pappa allowed a bill written in a Persian Court, by calling in two separate Kutim to read it to him, unaware of the ramifications of their testimony: Gittin 19b
Migu - Since they could have said X...
"I was Raped", where she could have said "I lost my hymen in an Accident": Ketuvot 13b, 16a
"I was Raped after Engagement", as opposed to "I lost my hymen in an Accident after Engagement": Ketuvot 16a
Milta De'Avida Le'Igluyay - A Case where the Truth Will be Known
That the court declared the New Month: Rosh HaShanah 22b
That a husband died: Yevamot 115a
Shavyah ANafsheih Chaticha De'Issura - Forbidding an item to one's self (alone)]
Testimony that a wife was adulterous: Ketuvot 9a-b
Testimony of a woman that she is married: Ketuvot 22a
Testimony of a woman that she was captured and slept with, vs. One Witness's Testimony: Ketuvot 23b
