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Incomplete Nature
Deacon's 2012 theory of emergence—how mind emerged from matter through hierarchical constraints, and why the most important properties are defined by absence.
Terrence Deacon's 2012 magnum opus develops a comprehensive theory of how life and mind emerge from physical processes through the progressive introduction of constraints—systematic exclusions of possibility that create organization, function, and purpose. The book argues that the defining features of living and thinking systems are 'absential' properties: they are constituted by their orientation toward what is not present. A cell is defined by the boundary it maintains (exclusion); a function is constituted by the consequences that would follow from its failure (orientation toward what is not there); a symbol refers to what is absent. Deacon distinguishes three levels of emergent dynamics—thermodynamic, morphodynamic, teleodynamic—each introducing new forms of constraint that produce genuinely novel properties irreducible to the level below.
In The You On AI Field Guide
The book's central thesis is that conventional scientific approaches treat absence as a lack—something to be explained away—when absence is actually constitutive of the most important phenomena in the universe. The heart's function is not a property of its physical operation (contraction, valve mechanics)