formulated
... that quantum mechanics can be formulated entirely in phase space if a quantum system is represented by a quasi-probability distribution?
... that <a href="./Quantum_mechanics" id="mwBgo" rel="mw:WikiLink" title="Quantum mechanics">quantum mechanics</a> can be <b id="mwBgs"><a class="mw-redirect" href="./Phase_space_formulation" id="mwBgw" rel="mw:WikiLink" title="Phase space formulation">formulated</a></b> entirely in <a href="./Phase_space" id="mwBg0" rel="mw:WikiLink" title="Phase space">phase space</a> if a quantum system is represented by a <a class="mw-redirect" href="./Quasi-probability_distribution" id="mwBg4" rel="mw:WikiLink" title="Quasi-probability distribution">quasi-probability distribution</a>?