6 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] |
20660 | At one level maths and nature are very similar, suggesting some deeper origin [Wolfram] |
6857 | An error theory of perception says our experience is not as it seems to be [Martin,M] |
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |
20659 | Space and its contents seem to be one stuff - so space is the only existing thing [Wolfram] |