The phrase "a true instance" is correct and usable in written English.
It can be used when referring to a specific example or occurrence that accurately represents a particular situation or concept.
Example: "This case serves as a true instance of the challenges faced by small businesses in the current economy."
Alternatives: "a genuine example" or "an actual case".
Even if this was a true instance of minor rebound morbidity following IPT, it does not appear to outweigh the episodes prevented by earlier protection.
This should thus ensure that any effect found is a true instance of longer term normalization.
An identified protein was labeled as a true instance if it was present in the corresponding protein reference set (Table 1).
We generated ROC and precision recall plots for both MSNet and the original MS experiment, marking protein as a true instance if it was present in the YPD* reference set (Table 1), and false otherwise.
When a protein reference dataset is available, we use it to label a protein as a true instance (T) if it is present in the reference set, and as a false instance (F) otherwise.
The classification problem for SV is characterized by the probabilities of incorrectly calling out an instance of SV (a false positive) or overlooking a true instance of SV (a false negative).
Not only must (b) be properly taken to represent the semantic precision of 'F' but we must also be prepared to admit that some existential statements can be true without having any true instance, thus blocking any inference from (a) to (b).
MSNet also resulted in a 10% increase in ROC-AUC (Table 2), i.e. MSnet is 10% more likely than MS analysis to rank a randomly chosen true instance higher than a randomly chosen negative instance (Fawcett, 2006).
∴ Some Z's are X's. is not a valid inference form, for, although instances of it can be produced in which premises and conclusion are all true, instances of it can also be produced in which the premises are true but the conclusion is false e.g., 5) Every dog is a mammal.
(For a related argument that the true instance of Entailment could not be monstrous, because it would need to be learnable by ordinary speakers, see Jackson, Pettit, and Smith 2000).
Zhang et al. [15] studied several freeway sites in the US and concluded that the "low speed" condition has to be sustained for at least 15 min to be recognized as a "true" breakdown instance.
