11 ideas
19426 | 'Nominal' definitions just list distinguishing characteristics [Leibniz] |
10153 | In everyday language, truth seems indefinable, inconsistent, and illogical [Tarski] |
19141 | Tarski thought axiomatic truth was too contingent, and in danger of inconsistencies [Tarski, by Davidson] |
10048 | There is no clear boundary between the logical and the non-logical [Tarski] |
10694 | Logical consequence is when in any model in which the premises are true, the conclusion is true [Tarski, by Beall/Restall] |
10479 | Logical consequence: true premises give true conclusions under all interpretations [Tarski, by Hodges,W] |
10157 | Tarski improved Hilbert's geometry axioms, and without set-theory [Tarski, by Feferman/Feferman] |
19424 | Knowledge needs clarity, distinctness, and adequacy, and it should be intuitive [Leibniz] |
19427 | True ideas represent what is possible; false ideas represent contradictions [Leibniz] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
19425 | In the schools the Four Causes are just lumped together in a very obscure way [Leibniz] |