die luna .xiiiia constituta ieiunare cogamur, indecentem2 rem illicitamque facientes.
LX. Argumentum inueniendi eam.
f. 43d
Anno in quo propter rationem saltus lunaris XII· diebus annotinum1 cursum precurrere solet.
LXI. De die dominico paschae.
f. 44a
Melius enim est in necessitate positos superiora quam inferiora sectari: quoniam inferiora1 a superioribus2 continentur
f. 44b
Semper uiii Kalendarum Aprilium, quae cunctae xuiiae lunae, in qua die dominico primo sacrosanctae resurrectionis sunt acta mysteria cursu panduntur indubio1.
LXII. De luna ipsius diei Quibus respondendum quia et uii. Kalendas Apriles, ubi luna congruerit et luna xxa ubi dies oportunus adriserit2, Dominicum pascha rite actitabitur3.
f. 45c
LXV. De circulo magno paschae. Unde fit ut idem is circulus magnus decennouennales lunae circulos xxuiii, solis autem, qui uicenis octonisque consummari solent annis, ·x· et ·ix· habeat circulos: bissextos decies nouies septenos, id est, cxxxiii1, [embolismos cxcv,] menses solares uicies octies2 ccxxtos et viii, id est, ui ccctos lxxxiiii., menses autem lunares uicies octies ccxxxv, id est, ui . dlxxx dies: exceptis bissextis uicies octies ui3 dccccxxxv, id est, cxciiii4 clxxx appositis autem bissextis cxc iiii ccc5 xiii · Qui ubi memoratam ex ordine mensium dierumque6 summam conpleuerit, mox in se ipsum reuolutus, cuncta quae ad solis uel lunae cursum pertinent, eodem quo praeterierant semper tenore restaurat tantum anni dominicae incarnationis suo certo tramite proficiunt in maius.
2: .i. ecáin
1: [marg. l.] .i. blíadnide
1: .i. innahi atanessa2: .i. onaib hi ata ireiv[1]
1: .i. Nephchumtubartach2: [marg. d.] .i. donaitni3: [marg. l.] .i. génthir[2] .i. comadasigfithir
1: .i. dibissextib2: [marg. l.] .i. amét mís fil ísind nóidécdu3: [marg. l.] .i. amét mís fil isindib bliadnib xxx ar .d.4: [marg. d.] .i. amét lae fil issin dib bliadnib xxx ar .d.5: .i. amét lae fil isind nóidecdu6: .i. issed fil and huile tre hilugud mís ind noidécdi cofo ocht fichet
1. i.e. the things that are nearer.2. i.e. by them that are farther.
2. i.e. (when) it is favourable.3. i.e. it will be performed, i.e. will be meetly done,
1. i.e. of bisextiles.2. i.e. as many months as are in the nineteen-years’-cycle.3. i.e. as many months as are in 532 years.4. i.e. as many days as are in 532 years.5. i.e. as many days as are in the nineteen-years’-cycle.6. i.e. this is all that is there through multiplying the months of the nineteen-years’-cycle as far as eight times twenty.