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| </pre> | | </pre> |
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− | The differential field E[uv] specifies the changes that need to be made from each point of X in order | + | The differential field <math>\operatorname{E}[uv]\!</math> specifies the changes that need to be made from each point of <math>X\!</math> in order to reach one of the models of the proposition <math>uv,\!</math> that is, in order to satisfy the proposition <math>uv.\!</math> |
− | to reach one of the models of the proposition uv, that is, in order to satisfy the proposition uv. | |
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− | The field of changes produced by D on uv is shown in Figure 3. | + | The field of changes produced by <math>\operatorname{D}\!</math> on <math>uv\!</math> is shown in Figure 3. |
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| <pre> | | <pre> |
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| </pre> | | </pre> |
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− | The differential field D[uv] specifies the changes that need to be made from each point of X in order | + | The differential field <math>\operatorname{D}[uv]\!</math> specifies the changes that need to be made from each point of <math>X\!</math> in order to change the value of the proposition <math>uv.\!</math> |
− | to change the value of the proposition uv. | |
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| ==References== | | ==References== |