προληπτέον

A. one must premise, v.l. in Hipparch. 1.3.2; π. κἀκεῖνο Iamb. in Nic. p.56 P.; π. ὅτι . . ib.p.100 P.
II. one must anticipate, S.E. M. 7.78.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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