metamath/valid/mathd-algebra-22.mm (7 lines of code) (raw):

$( @{ @( (Contributed by Kunhao Zheng, 4-May-2021.) @) mathd-algebra-22 @p |- ( ph -> ( ( 5 ^ 2 ) logb ( 5 ^ 4 ) ) = 2 ) @= ? @. @} $)