4 ideas
19695 | The devil was wise as an angel, and lost no knowledge when he rebelled [Whitcomb] |
7529 | All philosophy should begin with an analysis of propositions [Russell] |
16974 | The nature of each logical concept is given by a collection of inference rules [Correia] |
16973 | Explain logical necessity by logical consequence, or the other way around? [Correia] |