metamath/valid/mathd-numbertheory-102.mm (
7
lines of code) (
raw
):
$( @{ @( (Contributed by Kunhao Zheng, 4-May-2021.) @) mathd-numbertheory-102 @p |- ( ph -> ( ( 2 ^ 8 ) mod 5 ) = 1 ) @= ? @. @} $)