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Relative to a setting of this kind, the rules of sequential inference are exemplified by the schematism shown in Table 41.
 
Relative to a setting of this kind, the rules of sequential inference are exemplified by the schematism shown in Table 41.
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<pre>
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<br>
Table 41. Schematism of Sequential Inference
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Initial Differential Inferred
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{| align="center" border="1" cellpadding="8" cellspacing="0" style="text-align:center; width:80%"
Premiss Premiss Sequel
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|+ style="height:30px" |
x t dx  @  t (x) t'
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<math>\text{Table 69.} ~~ \text{Schematism of Sequential Inference}\!</math>
x @  t (dx) t x t'
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|- style="height:40px; background:#f0f0ff"
(x) t dx  @  t x t'
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| width="33%" | <math>\text{Initial Premiss}\!</math>
(x) t (dx) t (x) t'
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| width="33%" | <math>\text{Differential Premiss}\!</math>
</pre>
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| width="33%" | <math>\text{Inferred Sequel}\!</math>
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|-
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| valign="bottom" |
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<math>\begin{matrix}
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~x~ ~\operatorname{at}~ t
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\\[4pt]
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~x~ ~\operatorname{at}~ t
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\\[4pt]
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(x) ~\operatorname{at}~ t
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\\[4pt]
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(x) ~\operatorname{at}~ t
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\end{matrix}</math>
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| valign="bottom" |
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<math>\begin{matrix}
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~\operatorname{d}x~ ~\operatorname{at}~ t
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\\[4pt]
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(\operatorname{d}x) ~\operatorname{at}~ t
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\\[4pt]
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~\operatorname{d}x~ ~\operatorname{at}~ t
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\\[4pt]
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(\operatorname{d}x) ~\operatorname{at}~ t
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\end{matrix}</math>
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| valign="bottom" |
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<math>\begin{matrix}
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(x) ~\operatorname{at}~ t'
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\\[4pt]
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~x~ ~\operatorname{at}~ t'
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\\[4pt]
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~x~ ~\operatorname{at}~ t'
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\\[4pt]
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(x) ~\operatorname{at}~ t'
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\end{matrix}</math>
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|}
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<br>
    
It might be thought that a notion of real time <math>(t \in \mathbb{R})\!</math> is needed at this point to fund the account of sequential processes.  From a logical point of view, however, I think it will be found that it is precisely out of such data that the notion of time has to be constructed.
 
It might be thought that a notion of real time <math>(t \in \mathbb{R})\!</math> is needed at this point to fund the account of sequential processes.  From a logical point of view, however, I think it will be found that it is precisely out of such data that the notion of time has to be constructed.
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