Friday, December 27, 2013

Caravaggio's 12-Bead Rosary?

1607
Caravaggio

In reading a passage of art criticism yesterday, I encountered Caravaggio's Madonna of the Rosary and noticed something. There are twelve figures set in a rough circle whose center is a hollow space fixed in the middle of the painting. The notion occurred to me that the painting itself was a rosary for Caravaggio, each of the twelve figures representing a bead. I Googled "12-bead rosary" and learned that such a rosary does exist, but it does not appear to be common. Caravaggio, however, might have had his reasons for using twelve, the number being a significant one in Christian symbolism -- twelve tribes, twelve disciples. Not to forget the obvious twelve months, or the twelve numerals of the clock. There are also twelve fruits of the Holy Spirit, according to Catholic teaching, though I don't know the origin of this tradition.

Unfortunately, I know too little to carry this notion any further, so I'm open to the suggestions of readers on this mystery . . .

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Thursday, February 03, 2011

Bluffing with Galileo . . .

(Image from Wikipedia)

In yesterday's post, I sang the virtues of careful empiricism and rigorous logic, values I claimed Galileo had learned from his father, Vincenzo, but Dario Rivarossa called my bluff:
relying on empiricism and rigorous logic

Maybe not that much. See Paul Feyerabend, Against Method.
Chased, chastened, and thereby more chaste, I acknowledged the overstatement:
Also, see Heilbron, further on in the biography. Galileo learned to appeal to empiricism and rigorous logic, and even use them, but he was often bluffing, which he learned from his love of gambling, and acting out in his intellectual battles the part of the proud and adventurous knight Orlando, whom he knew well from Ariosto, having memorized large sections of the poem.

Speaking of romantic heroes, I once danced with Feyerabend's inamorata and had her smiling . . .
Of course, she was also laughing at me as she smiled. But let that be. Today, I want to back up my admission on Galileo's 'more-than-rigorous' empirical rationality:
A calculation by Galileo of the relative frequencies of specific throws with three dice has survived. Its main operative result is that 10 turns up more frequently than 9 once in 108 throws. Only a frequent player could hope to use this information to advantage. As a good gambler Galileo occasionally bluffed by raising the stakes on a losing hand -- a technique he later identified with the propensity of his philosophical opponents to add reckless worthless arguments to bad ones. The criticism better applied to him. His later claims about experimental results and theoretical insights contained a quantity of bluff. (John L. Heilbron, Galileo, Oxford: Oxford University Press, 2010, page 24)
Unfortunately, both Galileo and I got caught bluffing, and we've both now faced our separate Italian inquisitions.

But I'm not currently under house arrest. My wife and I today went out to explore her childhood neighborhood here in Daegu and took an opportunity to peer through the cracks in a gate to see the house where she lived until she began high school. We head tomorrow for Busan, which might put me offline until Sunday, but we'll see what transpires. I might manage to locate an internet connection . . .

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