15 ideas
13338 | '"It is snowing" is true if and only if it is snowing' is a partial definition of the concept of truth [Tarski] |
13337 | A language: primitive terms, then definition rules, then sentences, then axioms, and finally inference rules [Tarski] |
13335 | Semantics is the concepts of connections of language to reality, such as denotation, definition and truth [Tarski] |
13336 | A language containing its own semantics is inconsistent - but we can use a second language [Tarski] |
13339 | A sentence is satisfied when we can assert the sentence when the variables are assigned [Tarski] |
13340 | Satisfaction is the easiest semantical concept to define, and the others will reduce to it [Tarski] |
13341 | Using the definition of truth, we can prove theories consistent within sound logics [Tarski] |
20725 | The idea of duty in one's calling haunts us, like a lost religion [Weber] |
20722 | Acquisition and low consumption lead to saving, investment, and increased wealth [Weber] |
20724 | When asceticism emerged from the monasteries, it helped to drive the modern economy [Weber] |
20717 | Capitalism is not unlimited greed, and may even be opposed to greed [Weber] |
20718 | Modern western capitalism has free labour, business separate from household, and book-keeping [Weber] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
20719 | Punish the heretic, but be indulgent to the sinner [Weber] |