plural of deductible

In a deductive manner; using deduction

plural of deductibility

The ability to be deducted, such as from one's taxes

Alternative form of deductibility

The quality of being deductive.

Inference in which the conclusion cannot be false given that the premises are true. / Inference in which the conclusion is of no greater generality than the premises.

That is exempt from payment of income tax.

The set of all the statements that can be deduced from a given set of statements.

inference in which the conclusion is of no greater generality than the premises / inference in which the conclusion is just as certain as the premises