10 - are the principles that the Torah requires to effect a halachik divorce (Rambam, Hilchos Geirushin 1:1).
1) That a man must voluntarily initiate the divorce. (ibid 1:2)
2) The method of divorce must be done in writing and nothing else. (ibid 1:3)
3) That subject of the get must make clear that the husband is divorcing his wife and releasing her from ...
9 - is the number of Parah Adumahs that have existed-- and utilized for ritual purposes-- thus far in Jewish history.
The mishna in Maseches Parah 3:5 lists these 9 Parah Adumahs:
3) שִׁמְעוֹן הַצַּדִּיק (did 2)
5) וְיוֹחָנָן כֹּהֵן גָּדוֹל (did 2)
7) אֶלְיְהוֹעֵינַי בֶּן הַקּוֹף
8) וַחֲנַמְאֵל הַמִּצְרִי
9) וְיִשְׁמָעֵאל בֶּן ...
15 - the number of instances where the Torah requires the bringing of a קרבן יחיד -- an individual sacrifice (as listed by the Rambam in Hilchos Maaseh Hakorbanos 1:6).
1) הבכור - the firstborn offerings (Hilchos Bechoros 1:2)
2) והמעשר - the tithe offerings (Hilchos Bechoros 6:4)
3) והפסח - the Korban Pesach (Hilchos Korban Pesach 1:1)
4) והחגיגה והיא ...
The only real answer to this question can come from going through the list and finding a mishnah for each mitzvah. I was hoping this had been done before, but if it has, nobody here has found it. So, unless someone does, we can put it together ourselves. Please contribute!
For each mitzvah, please put either
a mishnah citation, with Sefaria links ...
The Rambam says all 613 are discussed in the Mishnah.
וכאשר כלל הדעות והדברים החל לחבר המשנה שהיא כוללת פירוש כל המצות הכתובות בתורה.
When [Rebbi] gathered together all the different opinions, he started to compose the Mishnah, which is an explanation of all of the mitzvos in the Torah.
2- are the instances where the Torah accepts the testimony of just one witness (see: Rambam, Hilchos Eidus 5:2):
a) by a Sotah- so that she does not drink the bitter waters
b) by an eglah arufah- to prevent its neck from being broken
(d'rabbanan we also accept one witness who's testifying that a woman's husband died)
317- the number of times in the Talmud Bavli where the answer to a question is unknown and "תיקו"
--understood to mean the question shall remain unresolved-- (lit: "let it stand") is invoked.
See this sefer by R' Aaron Pessin where he lists and discusses each of these 317 cases.
Six - A man is obligated to provide food/ sustenance to his sons and daughters until they are 6 years of age (Ketubot 65b, codified by the Shulchan Aruch, Even Haezer 71:1).
While a person may "technically" be exempt from providing food or sustenance to their children past the age of 6, Beis Din would never allow this to happen and they would force the ...
Writing in Hakirah vol 26 (Spring 2019, p. 259), R Reuven Chaim Klein (‘Till Death Do Us Part: The Halachic Prospects of Marriage for Conjoined (Siamese) Twins) identifies three options whether or not such twins would be allowed to marry
In the first approach (based on R Akiva Eiger), the twins are considered two different people and, by virtue of the ...