9 ideas
22026 | Philosophy is homesickness - the urge to be at home everywhere [Novalis] |
21560 | Any linguistic expression may lack meaning when taken out of context [Russell] |
21561 | 'The number one is bald' or 'the number one is fond of cream cheese' are meaningless [Russell] |
18130 | Axiom of Reducibility: there is always a function of the lowest possible order in a given level [Russell, by Bostock] |
13831 | Logic is based on transitions between sentences [Prawitz] |
13825 | Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz] |
13823 | In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz] |
21562 | There is no complexity without relations, so no propositions, and no truth [Russell] |
19591 | Desire for perfection is an illness, if it turns against what is imperfect [Novalis] |