The phrase "a duplicity of" is correct and usable in written English.
It can be used when referring to a situation or instance of deceit or double-dealing, often in a context where two contradictory actions or statements are involved.
Example: "The politician's speech revealed a duplicity of intentions, promising change while maintaining the status quo."
Alternatives: "a double standard" or "a contradiction of".
Dustin Hoffman, whose central character David Sumner journeys from meek mathematician to violent avenger during the course of the drama, told us: 'I was aware of a duplicity in myself.
Indeed, I have never seen a production of any Jacobean tragedy that is so fully imbued, on so many levels, with a sense of duplicity, of doubleness.
It was duplicity of a very high order.
It is a film about the duplicity of conventional cinema, which has perpetuated the illusion that in life there are always lines dividing good and evil; past, present, and future; truth and reality.
By 2010, the government was forced to seek a bail-out from the EU, IMF and the European Central Bank.The tapes exposed in detail the duplicity of a small group of Anglo bankers who privately ridiculed regulators and insulted Germany by singing Deutschland, Deutschland über alles, the stanza of the national anthem discredited by the Nazis, even as they were seeking their support.
The only thing that the leaks have torn apart is the duplicity of a government that says something in public - not just to us citizens, but also to the globe - but does something else behind everybody's backs.
So it was really about exposing the lies and duplicity of a WH which "negotiated" with PhRMA and the insurance industry, to give them everything they wanted, then blame it on the Republicans, or Joe Lieberman, or the stars, whatever.
The union's president, Peter Marshall,, called it a "betrayal" and promised campaigns "attacking the duplicity of the Andrews government".
On a good day, he might win thirty dollars, but he lacked the easy duplicity of the more ruthless hustlers.
The duplicity of this situation is shameful.
This whole episode demonstrates the duplicity of rightwing Euroscepticism.
