Humans are like other animals in having a definite nature, which shapes their experiences whether they like it or not.
On the contrary, every process must have some definite nature and occur by some definite means; thus it is inevitable, on Rand's view, that the way objects appear to us should depend on the nature of our perceptual organs.
For Rand, metaphysics tells us that entities have definite natures, epistemology tells us how to investigate those natures, and the special sciences then do the actual investigating.
It has been suggested that Pyrrho made an exception, in the case of the divine and the good, to his general prohibition on attributing definite natures to things; but it is hard to see the motivation for such a move, and this interpretation has not been generally accepted.
If one understands the second couplet according to reading (C), then the speaker is apparently endorsing a position that attributes definite natures to things; and this appears flatly inconsistent with the Aristocles passage, on either the metaphysical or the epistemological reading.
The definite bimodal nature of the population distribution at 1 μM Fe and the somewhat bimodal population distribution at 15 μM Fe shows that inheritance of iron reductase activity was controlled by one or a few genes, respectively.
This way we can be mathematically definite about the nature of the relationship, and we can derive a theory and computational methods for such morphisms.
There is a definite change in the nature of the debate over the last few years, partly because of the courage of people like Maurice".
Finally, a notion that Strawson introduced in his own description of the nature of definite descriptions and which surfaces in the quotation is that of presupposition.
This conundrum has worried some philosophers so much that they have opted for an ontology of tropes in order to avoid it, but realists have two lines of reply (both of which commit us to fairly definite views about the nature of properties).
In view of the various possible sources of uncertainty related to both DPM method and ASN technique, lot of works are needed before making a definite conclusion on the nature of hydrodynamic characteristics of dense gas-fluidized beds when the boundary of Geldart A/B particles was crossed.
