Sentence:  This is the fusion of two people who are neurally and biologically (and so, psychologically) identical. Setting aside issues about intensional content, when these differ, such a fusion would clearly produce someone who is exactly like what either of the <WSD>fusees</WSD> would have been like had the fusion not occurred.<!-- 
Meaning of the word marked with <WSD> tags:  One who, or that which, fuses or is fused; an individual component of a fusion.