3 ideas
23766 | Don't be tossed to and fro with every wind of doctrine, by cunning deceptive men [Paul] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
19347 | Substance needs independence, unity, and stability (for individuation); also it is a subject, for predicates [Perkins] |