This is known as showing the logical form of the argument.

What will be the logical form of his thought?

Now validity has to do with the logical form of the statement that makes up the argument.

Perhaps because when you use language in its logical form, it seems so clean and clear-cut.

Now it, and all of its potential, had been bound into a harmless, yet logical form.

Then, for example, we could program a computer to accurately translate natural language forms into logical form.

These shifts occur when the dominant logical form of thought changes.

We cannot determine in an a priori way the 'logical form' of all sentences.

The sentence is then transformed into a query through its logical form.

Every categorical proposition can be reduced to one of four logical forms.