Full text: de Sacrobosco, Johannes: Iohannis de Sacro Bvsto Libellvs de Sphaera : accessit eivsdem avtoris compvtvs ecclesiasticus, et alia quaedam, in studiosorum gratiam edita

131. DE CYCLO
SOLARI, ET INVE-

nienda litera Domini-
cali.

VI S O quid ſit concurrens, quid B iſextus, ſequi-
tur de
C yclo ſolari, qui est quaſi iſtorum A nnorum
effectus.
E st igitur C yclus ſolaris reuolutio tempo-
ris, in qua conſiderantur omnes uariationes, quæ fi-
unt in anno Solari, per
C oncurrentem & B iſextum.
E t completur ille C yclus, quando ultra Septimanas
integras nihil est reſiduum, de diebus excreſcenti-
bus, ultra annum hebdomaticum, qui ſunt cauſa
C on
currentium, nec de horis excreſcentibus ſingulis
A n
nis, ultra dies
A nni, ex quibus prouenit B iſextus, &
illud ſpacium eſt 28
A nnorum, quoniam in tanto tem
pore complentur omnes iſtæ uariationes, & quod-
libet
F eſtum per quamlibet feriam uariatur, & B i-
ſextus in qualibet feria contingit, & ita in toto
C y-
clo ex diebus
B iſextilibus integratur una Septima-
na, ſicut patet depingenti
C yclum Solarem, & tabu-
lam
C oncurrentium.

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