s486.py

from research import *
d={'begetting_deltas':[-100,-120,-129],'primary_completed_year':-1,'lifespan_deltas':[-115,-249,-124,-60,-60],'downstream_regular_shift':650}
s=begin(486,'SP local reconstruction','Does the same source-row accounting explain SP endpoint movement and its boundary exception?',d,['File18 §§2.1.3,3.1,3.2; lines1474–1488,1532–1534'])
b=sum(d['begetting_deltas'])+d['primary_completed_year'];L=sum(d['lifespan_deltas'])
finish(s,{'Adam_Noah_MT':1056,'Adam_Noah_SP_primary':1056+b,'delta_regular_internal':b,'delta_regular_Creation':b+650,'delta_cumulative':L,'SP_Lamech':'53rd year ->52 completed units;653 lifespan is inclusive'},
 'SP uses the same two projections with different local data. Its −350 pre-Noah change plus +650 downstream placement gives +300 regular Creation, while five lifespan changes total−608 cumulatively. The inclusive Lamech convention must remain explicit.',
 'Express this mechanism as a small linear source-row rule, with boundary terms kept separate.',{'regular':b==-350 and b+650==300,'cumulative':L==-608})