▁the ▁books ▁were ▁placed ▁down ▁by ▁the ▁holy ▁alt ar ; ▁then ▁the ▁council ▁asked ▁the ▁Lord ▁in ▁prayer ▁that ▁the ▁inspired ▁works ▁be ▁found ▁on ▁top ▁and — as ▁in ▁fact ▁happened — the ▁sp ur ious ▁on ▁the ▁bottom . ▁ ▁Tr inity ▁ ▁The ▁council ▁of ▁N ica ea ▁de alt ▁primarily ▁with ▁the ▁issue ▁of ▁the ▁de ity ▁of ▁Christ . ▁Over ▁a ▁century ▁earlier ▁the ▁term ▁" Tr inity " ▁( ▁in ▁Greek ; ▁tr init as ▁in ▁Latin ) ▁was ▁used ▁in ▁the ▁writ ings ▁of ▁Or igen ▁( 1 8 5 – 2 5 4 ) ▁and ▁T ert ul li an ▁( 1 6 0 – 2 2 0 ), ▁and ▁a ▁general ▁notion ▁of ▁a ▁" div ine ▁three ", ▁in ▁some ▁sense , ▁was ▁expressed ▁in ▁the ▁second - century ▁writ ings ▁of ▁Poly car p , ▁Ign ati us , ▁and ▁Justin ▁Mart yr . ▁In ▁N ica ea , ▁questions ▁regarding ▁the ▁Holy ▁Spirit ▁were ▁left ▁largely ▁un address ed ▁until ▁after ▁the ▁relationship ▁between ▁the ▁Father ▁and ▁the ▁Son ▁was ▁settled ▁around ▁the ▁year ▁ 3 6 2 . ▁So ▁the ▁doctrine ▁in ▁a ▁more ▁full - f led ged ▁form ▁was ▁not ▁form ulated ▁until ▁the ▁Council ▁of ▁Constantin ople ▁in ▁ 3 6 0 ▁AD , ▁and ▁a ▁final ▁form ▁form ulated ▁in ▁ 3 8 1 ▁AD , ▁primarily ▁craft ed ▁by ▁Gregory ▁of ▁Ny ss a . ▁ ▁Const antine ▁▁ ▁While ▁Const antine ▁had ▁sought