68 ideas
1695 | Without extensive examination firm statements are hard, but studying the difficulties is profitable [Aristotle] |
14027 | If we are to use words in enquiry, we need their main, unambiguous and uncontested meanings [Epicurus] |
1698 | Both sides of contraries need not exist (as health without sickness, white without black) [Aristotle] |
1697 | The contrary of good is bad, but the contrary of bad is either good or another evil [Aristotle] |
11034 | The differentiae of genera which are different are themselves different in kind [Aristotle] |
14040 | Observation and applied thought are always true [Epicurus] |
18367 | A true existence statement has its truth caused by the existence of the thing [Aristotle] |
11033 | Predications of predicates are predications of their subjects [Aristotle] |
11044 | One is prior to two, because its existence is implied by two [Aristotle] |
11042 | Parts of a line join at a point, so it is continuous [Aristotle] |
11041 | Some quantities are discrete, like number, and others continuous, like lines, time and space [Aristotle] |
14028 | Nothing comes to be from what doesn't exist [Epicurus] |
14029 | If disappearing things went to nothingness, nothing could return, and it would all be gone by now [Epicurus] |
11286 | Primary being must be more than mere indeterminate ultimate subject of predication [Politis on Aristotle] |
1700 | There are six kinds of change: generation, destruction, increase, diminution, alteration, change of place [Aristotle] |
14030 | The totality is complete, so there is no room for it to change, and nothing extraneous to change it [Epicurus] |
1699 | A thing is prior to another if it implies its existence [Aristotle] |
18366 | Of interdependent things, the prior one causes the other's existence [Aristotle] |
14048 | Astronomical movements are blessed, but they don't need the help of the gods [Epicurus] |
3311 | The categories (substance, quality, quantity, relation, action, passion, place, time) peter out inconsequentially [Benardete,JA on Aristotle] |
11035 | There are ten basic categories for thinking about things [Aristotle] |
13121 | Substance,Quantity,Quality,Relation,Place,Time,Being-in-a-position,Having,Doing,Being affected [Aristotle, by Westerhoff] |
16116 | Aristotle derived categories as answers to basic questions about nature, size, quality, location etc. [Aristotle, by Gill,ML] |
21345 | Aristotle said relations are not substances, so (if they exist) they must be accidents [Aristotle, by Heil] |
16155 | Aristotle promoted the importance of properties and objects (rather than general and particular) [Aristotle, by Frede,M] |
11032 | Some things said 'of' a subject are not 'in' the subject [Aristotle] |
11038 | We call them secondary 'substances' because they reveal the primary substances [Aristotle] |
14044 | The perceived accidental properties of bodies cannot be conceived of as independent natures [Epicurus] |
14045 | Accidental properties give a body its nature, but are not themselves bodies or parts of bodies [Epicurus] |
16739 | Four species of quality: states, capacities, affects, and forms [Aristotle, by Pasnau] |
11037 | Colour must be in an individual body, or it is not embodied [Aristotle] |
16154 | Aristotle gave up his earlier notion of individuals, because it relied on universals [Aristotle, by Frede,M] |
12351 | Genus and species are substances, because only they reveal the primary substance [Aristotle, by Wedin] |
14046 | A 'body' is a conception of an aggregate, with properties defined by application conditions [Epicurus] |
1694 | Substances have no opposites, and don't come in degrees (including if the substance is a man) [Aristotle] |
16091 | Is primary substance just an ultimate subject, or some aspect of a complex body? [Aristotle, by Gill,ML] |
11280 | Primary being is 'that which lies under', or 'particular substance' [Aristotle, by Politis] |
11040 | A single substance can receive contrary properties [Aristotle] |
16140 | Secondary substances do have subjects, so they are not ultimate in the ontology [Aristotle, by Frede,M] |
10965 | In earlier Aristotle the substances were particulars, not kinds [Aristotle, by Lawson-Tancred] |
11036 | A 'primary' substance is in each subject, with species or genera as 'secondary' substances [Aristotle] |
8287 | Earlier Aristotle had objects as primary substances, but later he switched to substantial form [Aristotle, by Lowe] |
12350 | Things are called 'substances' because they are subjects for everything else [Aristotle] |
11039 | A primary substance reveals a 'this', which is an individual unit [Aristotle] |
12361 | Primary substances are ontological in 'Categories', and explanatory in 'Metaphysics' [Aristotle, by Wedin] |
14047 | Bodies have impermanent properties, and permanent ones which define its conceived nature [Epicurus] |
3315 | Aristotle denigrates the category of relation, but for modern absolutists self-relation is basic [Benardete,JA on Aristotle] |
14039 | Above and below us will never appear to be the same, because it is inconceivable [Epicurus] |
14050 | We aim to dissolve our fears, by understanding their causes [Epicurus] |
14037 | Atoms only have shape, weight and size, and the properties which accompany shape [Epicurus] |
6010 | Illusions are not false perceptions, as we accurately perceive the pattern of atoms [Epicurus, by Modrak] |
14041 | The soul is fine parts distributed through the body, resembling hot breath [Epicurus] |
14042 | The soul cannot be incorporeal, because then it could neither act nor be acted upon [Epicurus] |
12349 | Only what can be said of many things is a predicable [Aristotle, by Wedin] |
11837 | Some predicates signify qualification of a substance, others the substance itself [Aristotle] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
14032 | Totality has no edge; an edge implies a contrast beyond the edge, and there can't be one [Epicurus] |
14033 | Bodies are unlimited as well as void, since the two necessarily go together [Epicurus] |
14034 | There exists an infinity of each shape of atom, but the number of shapes is beyond our knowledge [Epicurus] |
14035 | Atoms just have shape, size and weight; colour results from their arrangement [Epicurus] |
14038 | There cannot be unlimited division, because it would reduce things to non-existence [Epicurus] |
14049 | We aim to know the natures which are observed in natural phenomena [Epicurus] |
11043 | It is not possible for fire to be cold or snow black [Aristotle] |
1696 | Change goes from possession to loss (as in baldness), but not the other way round [Aristotle] |
14043 | The void cannot interact, but just gives the possibility of motion [Epicurus] |
14031 | Space must exist, since movement is obvious, and there must be somewhere to move in [Epicurus] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
14036 | There are endless cosmoi, some like and some unlike this one [Epicurus] |