- This pseudo-Paper is intended as the mechanism to record time spent on the Note 'Occasional Identity1' during my Thesis research, as from 2011.
- For the actual time recorded, click on "Paper Statistics" above.
Write-up2 (as at 03/09/2018 19:49:26): Occasional Identity
- The orthodox approach to the Logic of Identity4 is to treat it as a necessary equivalence relation. I follow this approach.
- However, in response to various TEs5, deviant forms6 of Identity have been devised, and some are still popular.
- However, the logic of identity is so secure that it is sensible to look for other explanations of any TE that appears to bring it in doubt.
- Occasional identity is a response to TEs such as the fission7 of an amoeba into two qualitatively identical ones. We want to say that both are numerically identical to the parent, but the logic of identity forbids this unless we claim that the two daughters are numerically identical to one another8. So, the claim is that they were once identical (and co-incident: though not in the sense supposed by Constitution9 or Perdurance10 or co-location), but now are not.
- This makes numerical identity into a temporary (hence “occasional”) matter.
- It’s important not to confuse “temporary identity” with “temporal identity”. Maybe some philosophers – even if not confused – have been careless with their terminology. Some philosophers seem to use “temporal identity” for “diachronic identity” while others use it for “occasional identity”.
- My preferred answer to this TE is to appeal to perdurance11 – the daughters were always distinct, but just shared their pre-fission stages. There are other explanations.
- I intend to cover this topic in Chapter 412 along with the other deviant approaches to Identity.
- For a page of Links13 to this Note, Click here.
- Works on this topic that I’ve actually read14, include15 the following:-
- "Anscombe (G.E.M.) - Were You a Zygote?", Anscombe
- "Baker (Lynne Rudder) - Precis of 'Persons & Bodies: A Constitution View'", Baker16
- "Baker (Lynne Rudder) - The Very Idea of Constitution", Baker17=16
- "Sider (Ted) - In Favour of Four-Dimensionalism, Part 2: The Best Unified Theory of the Paradoxes of Coincidence", Sider
- The study-list for this topic is much shorter than for related topics, as it only includes a whole book and a review thereof:-
- "Akiba (Ken) - Identity Is Simple", Akiba
- "Gallois (Andre) - Identity Over Time", Gallois
- "Gallois (Andre) - Langford and Ramachandran on Occasional Identities", Gallois
- "Gallois (Andre) - Occasional Identity", Gallois
- "Gallois (Andre) - Occasions of Identity : a Study in the Metaphysics of Persistence, Change, and Sameness", Gallois
- "Langford (Simon) & Ramachandran (Murali) - Rigidity, Occasional Identity and Leibniz's Law", Langford
- "Sider (Ted) - Replies to Gallois, Hirsch and Markosian", Sider
- "Sider (Ted) - Review of André Gallois, Occasions of Identity", Sider18
- This is mostly a place-holder19.
- This is the write-up as it was when this Abstract was last output, with text as at the timestamp indicated (03/09/2018 19:49:26).
- Link to Latest Write-Up Note.
- A number of my philosophical Notes are “promissory notes” currently only listing the books and papers (if any) I possess on the topic concerned.
- I’ve decided to add some text – whether by way of motivation, or something more substantive – for all these identified topics related to my Thesis.
- As I want to do this fairly quickly, the text may be confused or show surprising ignorance.
- The reader (if such exists) will have to bear with me, and display the principle of charity while this footnote exists.
Footnote 8: Footnote 13:
- I’m not sure if this is the correct terminology.
- If only a “non-updating” run has been made, the links are only one-way – ie. from the page of links to the objects that reference this Note by mentioning the appropriate key-word(s). The links are also only indicative, as they haven’t yet been confirmed as relevant.
- Once an updating run has been made, links are both ways, and links from this Notes page (from the “Authors, Books & Papers Citing this Note” and “Summary of Note Links to this Page” sections) are to the “point of link” within the page rather than to the page generically. Links from the “links page” remain generic.
- There are two sorts of updating runs – for Notes and other Objects. The reason for this is that Notes are archived, and too many archived versions would be created if this process were repeatedly run.
- Frequently I’ll have made copious marginal annotations, and sometimes have written up a review-note.
- In the former case, I intend to transfer the annotations into electronic form as soon as I can find the time.
- In the latter case, I will have remarked on the fact against the citation, and will integrate the comments into this Note in due course.
- My intention is to incorporate into these Notes comments on material I’ve already read rather than engage with unread material at this stage.
Footnotes 16, 17:
- I may have read others in between updates of this Note – in which case they will be marked as such in the “References and Reading List” below.
- Papers or Books partially read have a rough %age based on the time spent versus the time expected.
- Baker claims that the Constitution View solves problems that “temporal identity”, etc, are supposed to address.
- Read and analyse this first – it may not be worth bothering with the book, unless it sheds light on the topic as a whole.
Text Colour Conventions (see disclaimer)
- Blue: Text by me; © Theo Todman, 2018