26 ideas
19066 | Philosophy aims to understand the world, through ordinary experience and science [Dummett] |
22024 | Fichte's subjectivity struggles to then give any account of objectivity [Pinkard on Fichte] |
19067 | A successful proof requires recognition of truth at every step [Dummett] |
19060 | Truth-tables are dubious in some cases, and may be a bad way to explain connective meaning [Dummett] |
11066 | Deduction is justified by the semantics of its metalanguage [Dummett, by Hanna] |
19058 | Syntactic consequence is positive, for validity; semantic version is negative, with counterexamples [Dummett] |
22017 | Normativity needs the possibility of negation, in affirmation and denial [Fichte, by Pinkard] |
19063 | Beth trees show semantics for intuitionistic logic, in terms of how truth has been established [Dummett] |
19059 | In standard views you could replace 'true' and 'false' with mere 0 and 1 [Dummett] |
19062 | Classical two-valued semantics implies that meaning is grasped through truth-conditions [Dummett] |
19065 | Soundness and completeness proofs test the theory of meaning, rather than the logic theory [Dummett] |
22018 | Necessary truths derive from basic assertion and negation [Fichte, by Pinkard] |
22064 | Fichte's logic is much too narrow, and doesn't deduce ethics, art, society or life [Schlegel,F on Fichte] |
22032 | Fichte's key claim was that the subjective-objective distinction must itself be subjective [Fichte, by Pinkard] |
19061 | An explanation is often a deduction, but that may well beg the question [Dummett] |
22020 | We only see ourselves as self-conscious and rational in relation to other rationalities [Fichte] |
22060 | The Self is the spontaneity, self-relatedness and unity needed for knowledge [Fichte, by Siep] |
22066 | Novalis sought a much wider concept of the ego than Fichte's proposal [Novalis on Fichte] |
22016 | The self is not a 'thing', but what emerges from an assertion of normativity [Fichte, by Pinkard] |
22019 | Consciousness of an object always entails awareness of the self [Fichte] |
22061 | Judgement is distinguishing concepts, and seeing their relations [Fichte, by Siep] |
19064 | Holism is not a theory of meaning; it is the denial that a theory of meaning is possible [Dummett] |
22023 | Fichte's idea of spontaneity implied that nothing counts unless we give it status [Fichte, by Pinkard] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
22065 | Fichte reduces nature to a lifeless immobility [Schlegel,F on Fichte] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |