52 ideas
17641 | Discoveries in mathematics can challenge philosophy, and offer it a new foundation [Russell] |
6947 | Metaphysics does not rest on facts, but on what we are inclined to believe [Peirce] |
6937 | Reason aims to discover the unknown by thinking about the known [Peirce] |
17638 | If one proposition is deduced from another, they are more certain together than alone [Russell] |
17632 | Non-contradiction was learned from instances, and then found to be indubitable [Russell] |
6961 | An analogy begins to break down as soon as the two cases differ [Hume] |
17629 | Which premises are ultimate varies with context [Russell] |
17630 | The sources of a proof are the reasons why we believe its conclusion [Russell] |
17640 | Finding the axioms may be the only route to some new results [Russell] |
17627 | It seems absurd to prove 2+2=4, where the conclusion is more certain than premises [Russell] |
17628 | Arithmetic was probably inferred from relationships between physical objects [Russell] |
21492 | Realism is basic to the scientific method [Peirce] |
6949 | If someone doubted reality, they would not actually feel dissatisfaction [Peirce] |
6941 | We are entirely satisfied with a firm belief, even if it is false [Peirce] |
6940 | The feeling of belief shows a habit which will determine our actions [Peirce] |
6942 | We want true beliefs, but obviously we think our beliefs are true [Peirce] |
6943 | A mere question does not stimulate a struggle for belief; there must be a real doubt [Peirce] |
17637 | The most obvious beliefs are not infallible, as other obvious beliefs may conflict [Russell] |
21285 | Events are baffling before experience, and obvious after experience [Hume] |
6598 | We need our beliefs to be determined by some external inhuman permanency [Peirce] |
6944 | Demonstration does not rest on first principles of reason or sensation, but on freedom from actual doubt [Peirce] |
17639 | Believing a whole science is more than believing each of its propositions [Russell] |
6948 | Doubts should be satisfied by some external permanency upon which thinking has no effect [Peirce] |
6945 | Once doubt ceases, there is no point in continuing to argue [Peirce] |
17631 | Induction is inferring premises from consequences [Russell] |
6939 | What is true of one piece of copper is true of another (unlike brass) [Peirce] |
17633 | The law of gravity has many consequences beyond its grounding observations [Russell] |
6938 | Natural selection might well fill an animal's mind with pleasing thoughts rather than true ones [Peirce] |
6959 | We can't assume God's perfections are like our ideas or like human attributes [Hume] |
6957 | The objects of theological reasoning are too big for our minds [Hume] |
21255 | No being's non-existence can imply a contradiction, so its existence cannot be proved a priori [Hume] |
6946 | If death is annihilation, belief in heaven is a cheap pleasure with no disappointment [Peirce] |
21254 | A chain of events requires a cause for the whole as well as the parts, yet the chain is just a sum of parts [Hume] |
1435 | If something must be necessary so that something exists rather than nothing, why can't the universe be necessary? [Hume] |
6962 | The thing which contains order must be God, so see God where you see order [Hume] |
6960 | Analogy suggests that God has a very great human mind [Hume] |
6963 | Why would we infer an infinite creator from a finite creation? [Hume] |
6965 | The universe may be the result of trial-and-error [Hume] |
21279 | If the divine cause is proportional to its effects, the effects are finite, so the Deity cannot be infinite [Hume] |
21282 | Design cannot prove a unified Deity. Many men make a city, so why not many gods for a world? [Hume] |
21280 | From a ship you would judge its creator a genius, not a mere humble workman [Hume] |
21281 | This excellent world may be the result of a huge sequence of trial-and-error [Hume] |
21283 | Humans renew their species sexually. If there are many gods, would they not do the same? [Hume] |
21284 | This Creator god might be an infant or incompetent or senile [Hume] |
6966 | Creation is more like vegetation than human art, so it won't come from reason [Hume] |
21286 | Motion often begins in matter, with no sign of a controlling agent [Hume] |
21287 | The universe could settle into superficial order, without a designer [Hume] |
21288 | Ideas arise from objects, not vice versa; ideas only influence matter if they are linked [Hume] |
21256 | A surprise feature of all products of 9 looks like design, but is actually a necessity [Hume] |
6958 | How can we pronounce on a whole after a brief look at a very small part? [Hume] |
6967 | Order may come from an irrational source as well as a rational one [Hume] |
6964 | From our limited view, we cannot tell if the universe is faulty [Hume] |