yers of Abstraction in Describing Artificial Minds 3 19.1.2 The OpenCog Framework 4 19.2 The OpenCog Architecture 5 19.2.1 OpenCog and Hardware Models 5 19.2.2 The Key Components of the OpenCog Framework 6 19.3 The AtomSpace 7 19.3.1 The Knowledge Unit: Atoms 7 19.3.2 AtomSpace Requ