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14 votes

Source for the "gra's" calculation of pi

According to this (p. 9) the Gra never said this, it was actually proposed by Max Munk and was wrongly attributed to the former, This solution is attributed to Eliyahu the Gaon of Vilna (18th ...
Bach's user avatar
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10 votes
Accepted

Vilna Gaon's gematria for the number of kosher & non-kosher sukkot in Masechet Sukkah

It's apparently an oral tradition relating to one of the students of the Vilna Gaon, Rabbi Yisrael of Shklov. The more complete story is recounted here in Hebrew. It begins like this: הגאון רבי ...
Yaacov Deane's user avatar
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7 votes

Where is the midrash of "300 days of Tefillin?"

The Beis Yosef attributes this to the Orchos Chayim in Orach Chayim 32 (2/3 down here) without mentioning a midrash. כתב בארחות חיים: לפיכך עושין שי"ן יותר משאר אותיות, כדי לרמוז הימים שאדם מניחם ...
WAF's user avatar
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6 votes

Rephidim gematria

Gematria is allowed to be off by 1, because the word itself is counted as the missing 1. This rule is called kolel (and the words עם הכולל "with the kolel" are sometimes used to make clear that there ...
b a's user avatar
  • 24.8k
6 votes
Accepted

Is there a particular reason Ezra HaSofer name is spelled with an "א" instead of with a "ה"?

בית שמואל, שמות אנשים, אות ע' עזרא אין בו ספק ובאלף בסוף משום שנתגדל בבבל נכתב בלשון ארמית The Taz writes that it comes from Aramaic. Quoted in Beit Shmuel (Shemot Anashim, Ayin) and Aruch ...
MDjava's user avatar
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5 votes

Moshe davening 515 times to enter Eretz Yisrael

This is found in the Midrash Aggada (ed. Buber) to Deuteronomy (3:23): ואתחנן. תקט"ו תפלות עשה על זה הדבר כמנין ואתחנן אעפ"כ לא קבל הקדוש ברוך הוא תפלתו Vaethanan: He prayed 515 prayers on ...
mevaqesh's user avatar
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5 votes
Accepted

What is the significance of the gematria of יצחק, יעקב, יוסף all being multiples of the gematria of הוי״ה?

According to Panim Yafos (Vayishlach), when Yitzchok (208; 8x26) gave the berachos to Yackov, he transmitted 7 levels of kedusha (symbolized by 26, which is the numerical value of הוי"ה) to ...
chortkov2's user avatar
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4 votes

Fundamental Significance of Number Four - Tetragramaton

Bear with me, I am going to build things up the way the Seder song "Echad Mi Yodeia / Who knows one?" does. This post is based on the Maharal's commentary on Avos 1:2 and R' SR Hirch's ...
Micha Berger's user avatar
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4 votes

Halachot learned from gematria

The Talmud Yerushalmi Sotah Halacha 5,1 derives that the man who cohabited with the Sotah also gets punished when the woman drinks the "cursed" waters because of the gematria: כשם שהמים בודקין אותה ...
user15464's user avatar
  • 11.5k
4 votes

Halachot learned from gematria

According to Reish Lakish when put into Cheirem by a Chacham, a person's whole Body which has 248 limbs is put in חרם-excomunication gematria 248. Once the Chacham releases him, his limbs must be ...
user15464's user avatar
  • 11.5k
4 votes

Searching for a website that will calculate gematria and indicate parts of torah that match that numerical value

If I may toot my own horn, I created just such a website as this question addresses. The website consists of only 3 "pages": 1) A Home Page, with the methods of search to choose from; 2) An Options ...
ruffy's user avatar
  • 139
4 votes
Accepted

Sefarim on how Gematria works?

The artscroll Baal Haturim Chumash on Bereishis has an excellent introduction on gematrias, letter substitutions and such.
Efraym's user avatar
  • 1,251
4 votes

Was Gematria taken from other cultures?

Thing is, we use Greek gematria also. The Midrash (Yalkut on the Torah, Remez 20 and 692; Bereishis Rabbah 14:2; Bamidbar Rabbah 4:3; Tanchuma, Parshas Bamidbar 18) and Yerushalmi (Yevamos 4:2) record ...
DonielF's user avatar
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4 votes

Is Gematria accepted by all?

R. Yehuda Aryeh Modena in his work Ari Nohem (p. 31) criticizes the method of using gematria as any kind of proof, primarily because anything can be "proved" this way. דבשלמא אם אחר הנחה אמתית ...
Alex's user avatar
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4 votes

Numerical values of Torah words

All this is gematria, wherein every letter in the Hebrew alphabet is equal to a number and vice versa, e.g., 1=א 2=ב etc. All the numbers presented match their appropriate gematria. The ...
Dr. Shmuel's user avatar
4 votes

Numerical values of Torah words

While the real answer is the one posted by Shmuel, I’d like to post an answer in the line of your final question, “Are there any other terms and expressions commonly shared?” φ Fi Fo Fum First, I’d ...
DonielF's user avatar
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4 votes

What is the source for one sixtieth?

This is not a direct answer to the question, but I think it's important to point out that 1/60 is far from the only "small fraction" mentioned in the Sources, so one should not jump to the ...
Maurice Mizrahi's user avatar
3 votes

Is there any significance to the age at which Methuselah died?

Rashi Explains in Bereishis 7,4 that Mesushelach was a Righteous person and Hashem waited for him to die naturally so that Noach could mourn his grandfather properly for 7 days, just before the flood ...
user15464's user avatar
  • 11.5k
3 votes

What is the earliest source that mentions Gematria?

While there are Chazals that use gimatriya in an aggadic sense (as was brought regrardic יין = סוד), there is a source for gimatriya being used in a halachic sense, as well. This is in Nazir 5a, where ...
Talmid's user avatar
  • 206
3 votes

What is the earliest source that mentions Gematria?

SimchasTorah is correct; the earliest source to use the word "gematria" is the Mishnah, Avos 3 (some editions print it as Mishnah 23 others print it as 18, but all agree it's the concluding be Mishnah ...
DonielF's user avatar
  • 34.4k
3 votes

What is the source for one sixtieth?

They are not all the same thing. I am bring a source for the 1/60 batul beshishim as you referred to as "bitul". The concept is if a taste is diluted sixty times, it won't be detected ...
Geltman's user avatar
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3 votes

Incorrect Pri Eitz Chaim?

The small sum gematria of: כבוד מלכותו ואת יקר תפארת גדולתו is 100 (14 plus 25 plus 11 plus 4 plus 19 plus 27). When including the 27 letters, 6 words and kollel that brings the total to: 134. The ...
Yaacov Deane's user avatar
  • 15.3k
3 votes

Simanim at the end of the Parshah

A good essay on the subject (in Hebrew)1 is Dr. Aharon Ahrend's "The Mnemotechnical notes of the numbers of verses in the Torah Portions", Rabbi Mordechai Breuer Festschrift, pp. 157-171. ...
Harel13's user avatar
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3 votes

Gematria seforim and look up

You cannot determine the meaning behind a word by looking up words with the same gematria. Equivalent gematrias are a memorable way to convey meaning, but not to discover it. For any given value, it's ...
Isaac Moses's user avatar
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2 votes

"עם לבן גרתי"? Really? "עם לבן ברתי" maybe

My Rav had this same question and he says the Maharal in Gur Aryeh answers it. It has something to do with it was ruach hakodesh so it didn’t count. #ayensham ! תרי"ג מצות שמרתי. ואם תאמר והא ...
Nathan Hakimi's user avatar
2 votes

Halachot learned from gematria

There is a Machlokes between Beis Hillel and Beis Shammai Menachos 41b how many strings there should be on the Tzitzis: Beis Hillel say 3 which each have 2 ends which is 6 strings hanging out ...
yosefkorn's user avatar
  • 1,410
2 votes

Searching for a website that will calculate gematria and indicate parts of torah that match that numerical value

We are developing a web site and program that calculates both Equidistant Letter Sequences (ELS) Torah Bible Codes as well as Gematria values. http://TorahBibleCodes.com https://github.com/...
TorahBibleCodes's user avatar
2 votes

Searching for a website that will calculate gematria and indicate parts of torah that match that numerical value

I have used this site http://toraware.com/ for searching gematrias and ESL - outcomes such as shown here and I am very happy with this program.
Geula613's user avatar
2 votes

Gematria Methods - Levels of Importance

My suggestion is to follow the reply given by Rabbi Michael Tzadok at the following link: Seeking examples of various gematria methods where he speaks of "kavanot", in which case the question of "...
ruffy's user avatar
  • 139
2 votes

Gematriot that differ by 1

the word for this type of gematria is כולל meaning that in addition to the numeric value of the letters of the words we count the word itself as 1 "point". This means that we can add "1" to a word but ...
Ibber Chochem's user avatar

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