Logic of Action II (2009)

by CT on November 9, 2009

The Aristotelian “square of oppositions” is at the centre of recent developments in the geometry of logic. The image below is a modified representation of the logical tetra-icosahedron defined by Regis Pellisier [2004, 2009]. I have moved the nodes and edges around to better show the standard logical square (depicted in red).

The labels “Immediate”, “Present”, “Real”, “Normal”, “Valid” and “Ideal” correspond to my usage of the six vertices of the logical hexagon build around the standard Aristotelian square. These (provisional) terms apply to my six-level model of decision and action logics.

Each “label” corresponds to one sub-logic or discourse. For example, the “Present” sub-logic corresponds to the “Protect” perspective in the security disciplines.

Mapping the Logic of Action – based on Pellisier 2004, 2009

The Aristotelian Square and the Logical Hexagon: Mapping the Logic of Action


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