A neologism is needed for an utterance in which two terms X & Y are: i) conjoined by a preposition; and ii) can exchange locations on either side of that preposition without any diminution of truth-value.
Here the variables are ‘empire’ & ‘ecstasy’.
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‘A principal rule for writers, and especially those who want to describe their own sensations, is not to believe that their doing so indicates they possess a special disposition of nature in this respect. Others can perhaps do it just as well as you can. Only they do not make a business of it, because it seems to them silly to publicize such things.’
Georg Christoph Lichtenberg
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