The essential feature of this field is the use of formal languages to express the ideas whose logical validity is being studied.

One of a logic's principal concerns is logical validity.

On the one horn, if such arguments can be valid, we need a new or expanded account of logical validity and the concomitant details.

In psychometrics, content validity (also known as logical validity) refers to the extent to which a measure represents all facets of a given social construct.

The necessary is a state true in all possible worlds, usually by mere logical validity, whereas the contingent hinges on the way the particular world is.

However, the logical validity of an argument is a function of its internal consistency, not the truth value of its premises.

A suggested improvement to the notion of logical validity to eliminate this paradox is relevant logic.

The emphasis of financial management within each stage of the life-cycle as shown in figure 4.3 still retains its logical validity.

In other words, the participants were asked to make an evaluation of logical validity.

It seems that instead of following directions and assessing logical validity, the subjects based their assessments on personal beliefs.