Basic facts of cognition
Adopting the "common sense attitude' of experience and turning to events in space and time, we find a wealth of things with various properties and further we discover relations between the presence of things of the same or different kinds, in such a way that either both can be exhibited at the same time or in a certain temporal sequence.
Kaufmann, F. (1978). Basic facts of cognition, in The infinite in mathematics, Dordrecht, Springer, pp. 15-41.
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