Origin of supposition
Examples from the Web for suppositional
This lower, misnamed mind is a false claim, a suppositional mind, which I prefer to call mortal mind.Unity of Good|Mary Baker Eddy
Human men reflect the communal mortal mind, which is the suppositional opposite of the divine mind that is God.
And that is the opposite––the suppositional opposite––of the mind that is God.
And for that we owe much to the so-called ‘theory of suppositional opposites.’
Is it strange that God should have a suppositional 25 opposite?
British Dictionary definitions for suppositional
Word Origin and History for suppositional
early 15c., a term in logic, from Late Latin suppositionem (nominative suppositio) "assumption, hypothesis," noun of action from past participle stem of supponere (see suppose); influenced by Greek hypothesis.