I've just graduated <a href="http://craighickeyphotography.co.uk/stmap_c4ba0.html?tri-cyclen.snovitra.levitra">viagra side effects anxiety</a>  What Du Sautoy and Gould eventually propose is that maths, just like theatre, relies on models and metaphors, whereby something real stands in for something unattainable. There&rsquo;s a sense that maths is itself a form of performance, that we&rsquo;re all complicit in accepting its base terms; the blackboard is the same as the stage.