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Phantasy can be taken as the mental expression of instincts, but also as a means of escape - an escape from confronting external reality or the frustrated reality within |
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In this sense, it becomes a defence: according to Hannah Segal, "The individual, producing a phantasy of wish-fulfillment, is not only avoiding frustration and the recognition of an unpleasant external reality, he is also, which is even more important, defending himself against the reality of his own hunger and anger - his internal reality. Phantasies, moreover may be used as a defence against other phantasies". The distinction between defence mechanism and phantasy depends, Segal claims, on "the différence between the actual process and its specific detailed mental representation". She gives a good example of this: repression, a defence mechanism, can be actually experienced and recounted by a patient as an inner dam which could burst under the pressure of a flood. "What an observer can describe as a mechanistn is experienced by the person himself as a detailed phantasy."
Mathematics, then, through the phantasies that it calls forth, can be either that which you can defend yourself against, or - on the other hand - that which participates in a defence against anxiety. It can even sometimes, by splitting, serve as both.
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