50 ideas
7490 | Because of Darwin, wisdom as a definite attainable state has faded [Watson] |
7461 | The three key ideas are the soul, Europe, and the experiment [Watson] |
7464 | The big idea: imitation, the soul, experiments, God, heliocentric universe, evolution? [Watson] |
4739 | In "if and only if" (iff), "if" expresses the sufficient condition, and "only if" the necessary condition [Engel] |
7465 | Babylonian thinking used analogy, rather than deduction or induction [Watson] |
4737 | Are truth-bearers propositions, or ideas/beliefs, or sentences/utterances? [Engel] |
4750 | The redundancy theory gets rid of facts, for 'it is a fact that p' just means 'p' [Engel] |
4744 | We can't explain the corresponding structure of the world except by referring to our thoughts [Engel] |
4738 | The coherence theory says truth is an internal relationship between groups of truth-bearers [Engel] |
4745 | Any coherent set of beliefs can be made more coherent by adding some false beliefs [Engel] |
4753 | Deflationism seems to block philosophers' main occupation, asking metatheoretical questions [Engel] |
4755 | Deflationism cannot explain why we hold beliefs for reasons [Engel] |
4751 | Maybe there is no more to be said about 'true' than there is about the function of 'and' in logic [Engel] |
4752 | Deflationism must reduce bivalence ('p is true or false') to excluded middle ('p or not-p') [Engel] |
7466 | Mesopotamian numbers applied to specific things, and then became abstract [Watson] |
4762 | The Humean theory of motivation is that beliefs may be motivators as well as desires [Engel] |
4754 | Our beliefs are meant to fit the world (i.e. be true), where we want the world to fit our desires [Engel] |
4763 | 'Evidentialists' say, and 'voluntarists' deny, that we only believe on the basis of evidence [Engel] |
4746 | Pragmatism is better understood as a theory of belief than as a theory of truth [Engel] |
4764 | We cannot directly control our beliefs, but we can control the causes of our involuntary beliefs [Engel] |
20921 | How can we state relativism of sweet and sour, if they have no determinate nature? [Theophrastus] |
20657 | There are 23 core brain functions, with known circuit, transmitters, genes and behaviour [Watson] |
4759 | Mental states as functions are second-order properties, realised by first-order physical properties [Engel] |
20656 | Traditional ideas of the mind were weakened in the 1950s by mind-influencing drugs [Watson] |
20655 | Humans have been hunter-gatherers for 99.5% of their existence [Watson] |
7477 | Modern democracy is actually elective oligarchy [Watson] |
7478 | Greek philosophers invented the concept of 'nature' as their special subject [Watson] |
5990 | Theophrastus doubted whether nature could be explained teleologically [Theophrastus, by Gottschalk] |
20650 | The Uncertainty Principle implies that cause and effect can't be measured [Watson] |
20649 | The interference of light through two slits confirmed that it is waves [Watson] |
20661 | Electrons rotate in hyrogen atoms 10^13 times per second [Watson] |
20647 | Quantum theory explains why nature is made up of units, such as elements [Watson] |
20654 | Only four particles are needed for matter: up and down quark, electron, electron-neutrino [Watson] |
20651 | The shape of molecules is important, as well as the atoms and their bonds [Watson] |
20652 | In 1828 the animal substance urea was manufactured from inorganic ingredients [Watson] |
20658 | Information is physical, and living can be seen as replicating and preserving information [Watson] |
7462 | DNA mutation suggests humans and chimpanzees diverged 6.6 million years ago [Watson] |
7470 | During the rise of civilizations, the main gods changed from female to male [Watson] |
7474 | Hinduism has no founder, or prophet, or creed, or ecclesiastical structure [Watson] |
7481 | The Israelites may have asserted the uniqueness of Yahweh to justify land claims [Watson] |
7479 | Modern Judaism became stabilised in 200 CE [Watson] |
7480 | Monotheism was a uniquely Israelite creation within the Middle East [Watson] |
7471 | The Gathas (hymns) of Zoroastrianism date from about 1000 BCE [Watson] |
7473 | Zoroaster conceived the afterlife, judgement, heaven and hell, and the devil [Watson] |
7483 | Paul's early writings mention few striking episodes from Jesus' life [Watson] |
7484 | Jesus never intended to start a new religion [Watson] |
7475 | Confucius revered the spiritual world, but not the supernatural, or a personal god, or the afterlife [Watson] |
7476 | Taoism aims at freedom from the world, the body, the mind, and nature [Watson] |
7463 | The three basic ingredients of religion are: the soul, seers or priests, and ritual [Watson] |
7468 | In ancient Athens the souls of the dead are received by the 'upper air' [Watson] |