what does this statement mean

[blazegab]

the greatest irony that a.v dicey denounce as the manifestation of unrestricted power in is rule of law is now the means by which the executive is held acountable.

[5jj]

t The greatest irony that a.v d A.V. Dicey denounces as the manifestation of unrestricted power in is rule of law is now the means by which the executive is held acountable.

I think you have misquoted the words I have underlined. They make no sense.