Definition of "logical implication" []

• A logical relation between propositions p and q of the form `if p then q'; if p is true then q cannot be false (noun)

WordNet. Princeton University. 2010.

• "The quest for perpetual motion was abandoned, for the logical implication of the concept of efficiency is that restoration, or recov - ery, of the initial situation is the utmost that can be expected even of an ideal engine."