3 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
5126 | A carelessly thrown brick is condemned much more if it hits someone [Smith,A, by Harman] |
7076 | Mill wondered if he would be happy if all his aims were realised, and answered no [Mill, by Critchley] |