8 ideas
17447 | Parsons says counting is tagging as first, second, third..., and converting the last to a cardinal [Parsons,C, by Heck] |
10993 | Ramsey's Test: believe the consequent if you believe the antecedent [Ramsey, by Read] |
14279 | Asking 'If p, will q?' when p is uncertain, then first add p hypothetically to your knowledge [Ramsey] |
3583 | External objects are permanent possibilities of sensation [Mill] |
6894 | Mental terms can be replaced in a sentence by a variable and an existential quantifier [Ramsey] |
3537 | I judge others' feeling by analogy with my body and behaviour [Mill] |
9418 | All knowledge needs systematizing, and the axioms would be the laws of nature [Ramsey] |
9420 | Causal laws result from the simplest axioms of a complete deductive system [Ramsey] |