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===Computation Summary : <math>f(u, v) = \texttt{((u)(v))}</math>===
 
===Computation Summary : <math>f(u, v) = \texttt{((u)(v))}</math>===
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<pre>
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Figure&nbsp;1.1 shows the expansion of <math>f = \texttt{((u)(v))}</math> over <math>[u, v]\!</math> to produce the expression:
Figure 1.1 expands f = ((u)(v)) over [u, v] to produce
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the equivalent exclusive disjunction uv + u(v) + (u)v.
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{| align="center" cellpadding="8" width="90%"
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| <math>\texttt{uv ~+~ u(v) ~+~ (u)v}</math>
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|}
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Figure&nbsp;1.2 shows the expansion of <math>\operatorname{E}f = \texttt{((u + du)(v + dv))}</math> over <math>[u, v]\!</math> to produce the expression:
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Figure 1.2 expands Ef = ((u + du)(v + dv)) over [u, v] to arrive at
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{| align="center" cellpadding="8" width="90%"
Ef = uv (du dv) + u(v) (du (dv)) + (u)v ((du) dv) + (u)(v)((du)(dv)).
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| <math>\texttt{uv~(du~dv) ~+~ u(v)~(du (dv)) ~+~ (u)v~((du) dv) ~+~ (u)(v)~((du)(dv))}</math>
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|}
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<pre>
 
Ef tells you what you would have to do, from where you are in the
 
Ef tells you what you would have to do, from where you are in the
 
universe [u, v], if you want to end up in a place where f is true.
 
universe [u, v], if you want to end up in a place where f is true.
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