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1315  Volume 06  1943  1316  Volume 06  1943 
Summary: Exploring the interaction of a given set of variables means finding the F's in x_{i}=F_{i}(x^{o};t). (Assembling a machine gives us the [x^{o}_{i}=f_{i}(x)] equations). By the independence test on the Second Jacobian Matrix applied in one
stroke we eliminate what is not wanted. That its behaviour is reproducible is equivalent
to the requirement that t is explicitly absent from the f's. This restricts possible F's. An equation is given which they must satisfy. It is proved that under these conditions
the F's are always completed. 

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