4 ideas
20660 | At one level maths and nature are very similar, suggesting some deeper origin [Wolfram] |
14303 | Truth-functional conditionals have a simple falsification, when A is true and B is false [Peirce] |
9425 | Lewis later proposed the axioms at the intersection of the best theories (which may be few) [Mumford on Lewis] |
20659 | Space and its contents seem to be one stuff - so space is the only existing thing [Wolfram] |