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Single Idea 11894

[filed under theme 9. Objects / E. Objects over Time / 12. Origin as Essential ]

Full Idea

I suggest 'tenacity of origin' rather than 'necessity of origin'. ..The most that we need is that Caesar's having something similar to his actual origin in certain respects (e.g. his actual parents) is normally kept fixed in counterfactual speculation.

Gist of Idea

Origin is not a necessity, it is just 'tenacious'; we keep it fixed in counterfactual discussions

Source

Penelope Mackie (How Things Might Have Been [2006], 6.9)

Book Ref

Mackie,Penelope: 'How Things Might Have Been' [OUP 2006], p.116

A Reaction

I find necessity or essentially of origin very unconvincing, so I rather like this. Origin is just a particularly stable way to establish our reference to something. An elusive spy may have little more than date and place of birth to fix them.

The 18 ideas from Penelope Mackie

11877 An individual essence is the properties the object could not exist without [Mackie,P]
11906 The Kripke and Putnam view of kinds makes them explanatorily basic, but has modal implications [Mackie,P]
11905 Locke's kind essences are explanatory, without being necessary to the kind [Mackie,P]
11909 Unlike Hesperus=Phosophorus, water=H2O needs further premisses before it is necessary [Mackie,P]
11907 Maybe the identity of kinds is necessary, but instances being of that kind is not [Mackie,P]
11882 No other object can possibly have the same individual essence as some object [Mackie,P]
11883 A haecceity is the essential, simple, unanalysable property of being-this-thing [Mackie,P]
11884 The theory of 'haecceitism' does not need commitment to individual haecceities [Mackie,P]
11886 There are problems both with individual essences and without them [Mackie,P]
11887 Transworld identity without individual essences leads to 'bare identities' [Mackie,P]
11889 Essentialism must avoid both reduplication of essences, and multiple occupancy by essences [Mackie,P]
11890 De re modality without bare identities or individual essence needs counterparts [Mackie,P]
11892 Things may only be counterparts under some particular relation [Mackie,P]
11893 Possibilities for Caesar must be based on some phase of the real Caesar [Mackie,P]
11894 Origin is not a necessity, it is just 'tenacious'; we keep it fixed in counterfactual discussions [Mackie,P]
11897 A principle of individuation may pinpoint identity and distinctness, now and over time [Mackie,P]
11898 Individuation may include counterfactual possibilities, as well as identity and persistence [Mackie,P]
11899 Why are any sortals essential, and why are only some of them essential? [Mackie,P]