A uniframe is defined as a description to apply to several different things at once, and Minsky is concerned with how uniframes are created. He points out that facts can be dissected, enforced, prevented, tolerated in the process of building a uniframe. But what facts should such operations be applied to? Ideally, only the essential ones. "But how can we judge which facts are useful? On what basis can we decide which features are essential and which are merely accidents? Such question can't be answered as they stand. They make no sense apart from how we want to use their answers. There is no single secret, magic rick to learning; we simply have to learn a large society of different ways to learn!"
(NB:In other words, identifying the essential facts is largely a matter of active discovery. Along different lines, what exactly is a uniframe? Is it an agent? Is this a new primitive for Minsky? Again, I'm unclear as to the representational nature of agents -- and a uniframe is obviously a representational medium!)
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