postulational

adjective

pos·​tu·​la·​tion·​al

-shnəl

: of, relating to, or involving the use of postulates

science is a postulational system

—C. I. Glicksberg

specifically : depending on a set of mathematical postulates

the postulational method was applied to geometry

—S. S. Stevens

postulationally

-ᵊl|ē, 

-əl|, 

|i

adverb

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