s564.py

from research import *
s=begin(564,'Relate the Isaac partition to calendar calibration','Does the11760/840/12600 family use an existing ratio?',{'head':14006,'translated_Isaac':2246,'Conquest':1406},['File61 §§17.3–17.7'])
upper=14006-2246;lower=2246-1406;whole=14006-1406
finish(s,{'partition':[upper,lower,whole],'units_of35':[F(x,35) for x in [upper,lower,whole]],'whole_over_upper':F(whole,upper),'E_over_P':E/P},'The Isaac macro partition is35 copies of336+24=360. Its15/14 completion ratio is exactly E/P, connecting the cumulative partition to the existing calendar calibration.','Check which part survives an exact common phase shift.',{'partition':[upper,lower,whole]==[11760,840,12600],'ratio':F(whole,upper)==E/P==F(15,14)})