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### GOSSELIN 1582 : la signification de l ancien jeu des chartres pythagoriques

Posted: 22 Nov 2019, 14:22
http://www.letarot.it/page.aspx?id=762

Andrea Vitali had published my Essay A propos de: 1582 Gosselin Jean: "La signification de l'ancien jeu des chartes pythagorique(s) ..."
La plus ancienne référence littéraire française connue d'une lecture pythagoricienne du Jeu de cartes ordinaires?
I. Une lecture pythagoricienne?
II. En conformité avec la théorie platonicienne des Éléments exposée dans le Timée

I'm grateful to Michael Howard for all his precious contributions to this topic.
Special thanks also to Steve Mangan

### Re: Le Tarot arithmologique - la séquence 1+4+7+10 = 22

Posted: 30 Mar 2020, 12:08
I have been rereading Gosselin, looking to see if there is anything more to say, after a hiatus of a year and a half since my last post. Well, I can at least identify a couple of problems, both having to do with the object of the game Trente et Un.

The section of the original on the game is at viewtopic.php?p=17344#p17344. The translation by SteveM is at viewtopic.php?p=17453#p17453.

Gosselin says, "the player of this game seeks the highest score he can, in order to reach, but without exceeding, the number 31." That sounds like the object is in part not to go over 31. But then he adds "Or at least to get closer to the number 31 than any other player," I assume that means "closer, but still not over 31". So that is one problem. What does he mean? An account of the rules of one version of the game, I assume much later than the 16th century, is at http://www.regles.com/jeux-cartes/31.html.

But the problem I want to focus on is his argument for why the designers of the game picked 31 on Pythagorean grounds. In other words, what does he think the Pythagorean significance of the number 31 is?

Gosselin writes
Now if we want to know why the ancients made [start p. 36] thirty-one the victorious number in this game, rather than any other number such as twenty-eight, which is a perfect number, or thirty, which is the number of degrees of a celestial sign, or in some other number, greater or smaller, it should be considered that the number thirty-one is the sum of the first five numbers in double Geometric proportion, that is, one, two, four, eight and sixteen [1+2+4+8+16=31].

In this geometric progression of numbers there is a great and admirable harmony, because just as there are certain temperaments between the qualities of the four Elements in all natural things, there exists between the numbers of thirty-one great harmony, containing the [start p. 37] the Diapason [octave] four times:

- between one and two, a Diapason;
- between two and four, another Diapason;
- between four and eight, yet another Diapason;
- and between eight and sixteen, another Diapason.

Thus, it is clear that there are as many diapasons as there are Elements in Nature.

Further, it should be considered that the diapason includes in fact all the simple musical consonances, which are the Diapante, Diatesseron, Tierces and Sextes. Similarly, by adding diapasons together, one above the other, the result is always a perfect consonance – which does not happen in other consonances of music.

And as we said previously, the four elements, in the composition of all natural [start p. 38] things, maintain between them this great harmony, or else approach very closely to it.
When I first read this argument, it made little sense to me. First, what is so special about the x2 series? Well, I think I understand that part. He is saying that octaves have a special "consonance" not shared by other musical ratios. Yes, because notes an octave apart sound like the same note, but just higher or lower. It is a "perfect" consonance.

But then it sounds like he is saying that the universe only has four octaves, just like it only has four elements. But why stop at four? Can't the series go on indefinitely? I know they didn't have pianos then, but they could hear, on different instruments, the same notes, and with 75 keys and 12 notes per octave, that's over 6 octaves right there. Perhaps I have missed something. Or they didn't have instruments that went so low or high.

The other day I googled the series 1,2,4,8,16, and one thing that came up was a reference to Macrobius, Commentary on the Dream of Scipio, , II.1.24. I will quote that section in a moment. But first I need to give his definitions of a few terms (Stahl et al translation, p. 188), in sections 16-18 of that chapter:
The sesquialter is the combination formed by an integer and a number one half greater than it, as three is to two, a numerical relation resulting in the interval known as the fifth, or ]dia pente. [17] The double proportion is formed by an integer and a number twice as great, as four is to two, resulting in the interval known as the octave, or dia pason. [18] The triple proportion is formed by an integer and a number thrice as great, as three is to one, and produces the interval known as the octave and fifth, or dia pason kai dia pente.
These are only three out of six he describes. But they are the most relevant. Now I skip to section 24:
[24]And so the consonant chords are five in number, the fourth, the fifth, the octave and fifth, and the double octave. This number of consonant chords has to do only with the music that the human breath can produce and the human ear can catch; beyond this there is there is still the range of the celestial harmony, which reaches even four times the octave and fifth.
One problem is how many consonances were among the five; he only gave four; itt seems like he left one out, the octave. But never mind. First, he is saying the human ear can hear consonances only up to two octaves. Earlier, by a complicated argumenr, he maintained that above that there starts to be dissonance, But it seems like that if so it is still within the range of the human voice or ear. But never mind. The interesting part relative to Gosselin is the next sentence, about the "range of the celestial harmony". In other words, the harmony of the spheres. What is its range? If four octaves is a ratio of 16 (2x2x2x2), then then four octave and fifths would be 3x3x3x3=81. That's about 5 and a quarter octaves (64 plus a quarter of the way to 128).

But there is a translator's footnote, to explain this limit to "celestial harmony".
Because 27 was the largest number in the construction of the world-soul (see above 1.vi.46. and note), and because, according to his statement in the next paragraph, there would be four octaves and a fifth in twenty-seven and a half tones. See Proclus (Diehl) 192C, 203D.
This note says that the celestial harmony is based on a maximum of 27 tones, since it is the highest number in the so-called "Lambda" of the Timaeus's account of the World-Soul (which is what 1.vi.46 is about). That is "four octaves and a fifth", not "four times an octave and fifth". Four octaves and a fifth would be 4. octaves plus half an octave, i.e. 4.5 octaves. But how is that 27.5 tones?
The next paragraph says
Now there is more to be said about the five we have named. [25] The interval of the fourth consists of two tones and a half-tone if, to avoid confusion, we omit to mention a slight addition, and comes from the sesquitertian; the fifth consists of three tones and a half-tone, and comes from the sesquialter; the octave consists of six tones, and comes from the double; the octave and fifth consists of nine tones and a half-tone, and comes from the triple; and the double octave contains twelve tones, and comes from the quadruple. (15)
So we have 6 tones in an octave and 9.5 tones in an octave and fifth. If so, an octave and fifth isn't a ratio of 3 to 1, as Macrobius had said earlier. it is a ratio of a little more than 3 to 2. Also, a fifth by itself has 3.5 tones. If so, four octaves and one fifth equals Four octaves is 4x6=24 tones. Adding a fifth, 3.5 tones, equals 27.5 tones, which is just what the footnote said it would be. In that case 4 octaves would be the maximum number of octaves capable of being sounded in the universe. If so, that would explain why Gosselin could justifiably stop at 16, the fourth octave, as he has shown by his fourfold enumeration of them. Just like the elements, of which there are only four in the whole universe, there are likewise only four octaves in the whole universe, or very close to it. Hence his conclusion:
And as we said previously, the four elements, in the composition of all natural [start p. 38] things, maintain between them this great harmony, or else approach very closely to it.
My only problem is that this interpretation doesn't fit Macrobius's words. He says, "four times an octave and fifth". The least that could be is 4x1.5=6 octaves, or 6x6=36 tones. But that is more than 27. Or it is 4x9.5=38 tones. So which is it, 27.5 or 36-38? Here is the original text:
Vltro autem se tendit harmoniae caelestis accessio, id est usque ad quater διὰ πασῶν καὶ διὰ πέντε.
The relevant portion is the Greek: "dia poson kai dia pente," i.e. "octave and fifth" ("kai" means "and"). It would appear that the unit being multiplied by 4 is the part in Greek, i.e. either, following section 18, a ratio of 3 four times (3x3x3x3=81) or, following sections 24 and 25, 9.5x4=38 tones. Either one is inconsistent with the footnote which says 27.5. Also, either is over 5 octaves (5x6=30 tones).

It seems to that Gosselin, or someone he read, interpreted Macrobius in the same way as the footnote. But how?

The footnote refers us to Proclus, I assume his Commentary on the Timaeus. I do not have a translation of Proclus at hand, and the libraries are closed due to the coronavirus. But I would expect Ficino to have said something about it in his Compendium, which I do have, in pdf, from chapter 20 to the end. Unfortunately, I find nothing addressing this point. The closest is the translator's comment on p. 190 that the whole Lambda is over four and a half octaves. This is not an interpretation of any passage in Ficino's text. He cites Severus, but not at a specific page. If that was common knowledge in the texts at Gosselin's disposal, that would justify his stopping his doubling at 16, i.e. the fourth octave. But where is that in a text Gosselin might have known?

### Re: Le Tarot arithmologique - la séquence 1+4+7+10 = 22

Posted: 30 Mar 2020, 23:28
Good very good try Michael.