Claim. Unification methodology grounds the pursuit of truth in the law of give-and-receive action between subject and object centered on Heart or purpose, and claims to unify traditional methodologies under that single law.
Elaboration. Lee defines methodology as the study of how one reaches objective truth, etymologically tracing ‘method’ to Greek meta + hodos — following the way. He then proposes that Unification methodology, based on the DP, is the ‘give and receive method,’ which both grounds and unifies prior traditions (II. Unification Methodology―Give and Receive Method).
Give-and-receive action is interaction between subject and object with a center serving as motive. The nature of the center determines the nature of the action: when centered on Heart, subject and object unite into a harmonized union; when Heart establishes a purpose, the action produces a multiplied or new being (A. Kinds of Give and Receive Action). This maps onto the four-position-foundation: Origin (Heart/purpose), Division (subject and object placed face-to-face), and Union (the resulting union or multiplied being) — together called Origin-Division-Union Action (Chung-Boon-Hap).
The ambition here is methodologically maximalist. Where Aristotle gave deduction, Bacon induction, Descartes methodic doubt, and Hegel the dialectic, Lee proposes that all of these are particular expressions of give-and-receive operating in different modes (inner vs outer, contrast-type, etc.). The closing chapter (Section III) then assesses each prior methodology by translating it into give-and-receive terms. Worth a thread once a counter atomic exists — the unifying claim is strong: critics will press on whether ‘give-and-receive’ is doing real explanatory work or merely re-describing in-house vocabulary what other methods already capture.
See also. four-kinds-of-give-and-receive-action, five-types-and-seven-characteristics-of-give-and-receive, development-through-harmony-not-contradiction