21 ideas
14263 | Strong Kleene disjunction just needs one true disjunct; Weak needs the other to have some value [Fine,K] |
18739 | Three stages of philosophical logic: syntactic (1905-55), possible worlds (1963-85), widening (1990-) [Horsten/Pettigrew] |
18741 | Logical formalization makes concepts precise, and also shows their interrelation [Horsten/Pettigrew] |
18744 | Models are sets with functions and relations, and truth built up from the components [Horsten/Pettigrew] |
18740 | If 'exist' doesn't express a property, we can hardly ask for its essence [Horsten/Pettigrew] |
14262 | Formal grounding needs transitivity of grounding, no self-grounding, and the existence of both parties [Fine,K] |
22180 | Multiple realisability is said to make reduction impossible [Okasha] |
18745 | A Tarskian model can be seen as a possible state of affairs [Horsten/Pettigrew] |
18747 | The 'spheres model' was added to possible worlds, to cope with counterfactuals [Horsten/Pettigrew] |
18748 | Epistemic logic introduced impossible worlds [Horsten/Pettigrew] |
18746 | Possible worlds models contain sets of possible worlds; this is a large metaphysical commitment [Horsten/Pettigrew] |
18750 | Using possible worlds for knowledge and morality may be a step too far [Horsten/Pettigrew] |
22172 | Not all sciences are experimental; astronomy relies on careful observation [Okasha] |
22177 | Randomised Control Trials have a treatment and a control group, chosen at random [Okasha] |
22174 | The discoverers of Neptune didn't change their theory because of an anomaly [Okasha] |
22175 | Science mostly aims at confirming theories, rather than falsifying them [Okasha] |
22182 | Theories with unobservables are underdetermined by the evidence [Okasha] |
22185 | Two things can't be incompatible if they are incommensurable [Okasha] |
22176 | Induction is inferences from examined to unexamined instances of a given kind [Okasha] |
22178 | If the rules only concern changes of belief, and not the starting point, absurd views can look ratiional [Okasha] |
22173 | Galileo refuted the Aristotelian theory that heavier objects fall faster [Okasha] |