A1: (52 * 289) * (52 * 289) = (3446 * ((256 * 256) + 1)) + 282 ;
(3 |^ 256) mod (Fermat 4) = (3 |^ (128 + 128)) mod (Fermat 4)
.= ((3 |^ 128) * (3 |^ 128)) mod (Fermat 4) by NEWTON:8
.= ((52 * 289) * (52 * 289)) mod (Fermat 4) by Lm38, NAT_D:67
.= 282 by A1, Th54, NAT_D:def 2 ;
hence (3 |^ 256) mod (Fermat 4) = 282 ; :: thesis: verum