Coming at this as a novice. It seems that CT has the same goals as disp. in its hermenuetic (i.e., blhowes 2nd post). The CT adds that if a literal interepretation of the NT modifies OT, then it understands OT as modified. The disp. exegete does not believe that that type of modification is possible. So he qualifies (limits, modifies) the NT reasoning that the modification must be implied otherwise the OT prophecies hold no knowable meaning until they are fulfilled.

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Greg Bednarchik
Sovereign Grace Church
(part of Sovereign Grace Ministries)
Cherry Hill NJ