It is a hypothetical version of what could be an empirical investigation.

Laws of logic, even,can be revised in response to empirical investigation.

The former, on the other hand, claims that such identities are necessary and not subject to empirical scientific investigation.

Rather, the mechanisms discovered through practical, empirical investigation were understood as God's work.

It is carried out through theoretical analysis, empirical investigation, and design implementation.

These models are then to be used as the basis of empirical investigations into labour and product market problems.

The second kind has to do with the conceptual coherence of the theory that the empirical investigation is designed to support.

Whether or not this is a common occurrence is a matter for empirical investigation.

The use of empirical investigations in 1898 was a major revolution in social analysis.

However plausible this suggestion, empirical investigation has lent it no support.