MyWikiBiz, Author Your Legacy — Monday September 08, 2025
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, 03:04, 11 March 2009
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| | <math>\texttt{uv} \cdot \texttt{(du~dv)} + \texttt{u(v)} \cdot \texttt{(du (dv))} + \texttt{(u)v} \cdot \texttt{((du) dv)} + \texttt{(u)(v)} \cdot \texttt{((du)(dv))}</math> | | | <math>\texttt{uv} \cdot \texttt{(du~dv)} + \texttt{u(v)} \cdot \texttt{(du (dv))} + \texttt{(u)v} \cdot \texttt{((du) dv)} + \texttt{(u)(v)} \cdot \texttt{((du)(dv))}</math> |
| |} | | |} |
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| + | <math>\operatorname{E}f</math> tells you what you would have to do, from where you are in the universe <math>[u, v],\!</math> if you want to end up in a place where <math>f\!</math> is true. In this case, where the prevailing proposition <math>f\!</math> is <math>\texttt{((u)(v))},</math> the indication <math>\texttt{uv} \cdot \texttt{(du~dv)}</math> of <math>\operatorname{E}f</math> tells you this: If <math>u\!</math> and <math>v\!</math> are both true where you are, then just don't change both <math>u\!</math> and <math>v\!</math> at once, and you will end up in a place where <math>\texttt{((u)(v))}</math> is true. |
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| <pre> | | <pre> |
− | Ef tells you what you would have to do, from where you are in the
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− | universe [u, v], if you want to end up in a place where f is true.
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− | In this case, where the prevailing proposition f is ((u)(v)), the
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− | indication uv (du dv) of Ef tells you this: If u and v are both
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− | true where you are, then just don't change both u and v at once,
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− | and you will end up in a place where ((u)(v)) is true.
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− |
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| Figure 1.3 expands Df over [u, v] to end up with the formula: | | Figure 1.3 expands Df over [u, v] to end up with the formula: |
| Df = uv du dv + u(v) du(dv) + (u)v (du)dv + (u)(v)((du)(dv)). | | Df = uv du dv + u(v) du(dv) + (u)v (du)dv + (u)(v)((du)(dv)). |