5 ideas
6855 | Interesting philosophers hardly every give you explicitly valid arguments [Martin,M] |
6856 | Valid arguments can be rejected by challenging the premises or presuppositions [Martin,M] |
10051 | The axiom of infinity is not a truth of logic, and its adoption is an abandonment of logicism [Kneale,W and M] |
6857 | An error theory of perception says our experience is not as it seems to be [Martin,M] |
20525 | Free markets lead to boom and bust, pointless middlemen, and alienated workers [Engels] |