12 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] |
6215 | 'Contingent' means that the cause is unperceived, not that there is no cause [Hobbes] |
4581 | Virtues and vices are like secondary qualities in perception, found in observers, not objects [Hume] |
4580 | All virtues benefit either the public, or the individual who possesses them [Hume] |
4579 | The idea of a final cause is very uncertain and unphilosophical [Hume] |
20705 | That events could be uncaused is absurd; I only say intuition and demonstration don't show this [Hume] |