8 ideas
13831 | Logic is based on transitions between sentences [Prawitz] |
13827 | Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [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] |
13826 | Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz] |
20945 | Belief is no more rational than is tasting and smelling [Hamann] |
4741 | A very powerful computer might have its operations restricted by the addition of consciousness [Clark,T] |
7666 | God is not a mathematician, but a poet [Hamann, by Berlin] |