Esempi
He had a dream in which he saw the chi and the rho , the first two Greek letters of Jesus' name, saying ‘In this sign, conquer’, and so he had that emblazoned on a banner he went out the next day under the name of the crucified.
Alpha, rho , tau, sigma, omega: Ash went over the letters he saw in his mind while Lari just stared, apparently in her own little world.
You're never going to do the conversion right if you think r is equal to phi sine theta, because it isn't; r equals rho sine theta.
You can see the X symbol commonly today in the overprinted P and X symbols used by Catholics (meaning chi and rho - the first two letters of Christ's name).
In some instances student groups such as Academy of Students of Pharmacy, Student Council, Rho Chi, Phi Lambda Sigma, or professional fraternities conducted the nominations and elections.
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