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Single Idea 15177

[filed under theme 10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / a. Conceivable as possible ]

Full Idea

Contradictoriness is the boundary both of what is possible and also of what is imaginable.

Gist of Idea

Contradictoriness limits what is possible and what is imaginable

Source

Alan Sidelle (Necessity, Essence and Individuation [1989], Ch.4)

Book Ref

Sidelle,Alan: 'Necessity, Essence and Individuation' [Cornell 1989], p.89


A Reaction

Of course we may see contradictions where there are none, and fail to grasp real hidden contradictions, so the two do not coincide in the practice. I think I would say it is 'a' boundary, not 'the' boundary.


The 26 ideas with the same theme [ if conceivable then it is possible]:

Scholastics assess possibility by what has actually happened in reality [Suárez, by Boulter]
People who are ignorant of true causes imagine anything can change into anything else [Spinoza]
Error does not result from imagining, but from lacking the evidence of impossibility [Spinoza]
What is thinkable is possible [Wittgenstein]
Conceivability is no proof of possibility [Putnam]
Imagination tests what is possible for all we know, not true possibility [Ellis]
Empirical evidence shows that imagining a phenomenon can show it is possible [Shoemaker]
Imagination reveals conceptual possibility, where descriptions avoid contradiction or incoherence [Shoemaker]
'Conceivable' is either not-provably-false, or compatible with what we know? [Shoemaker]
Kripke's essentialist necessary a posteriori opened the gap between conceivable and really possible [Soames on Kripke]
Kripke gets to the necessary a posteriori by only allowing conceivability when combined with actuality [Kripke, by Soames]
We can imagine being beetles or alligators, so it is possible we might have such bodies [Plantinga]
It is hard or impossible to think of Caesar as not human [Wiggins]
Modal Rationalism: conceivability gives a priori access to modal truths [Chalmers, by Stalnaker]
Evaluate primary possibility from some world, and secondary possibility from this world [Chalmers, by Vaidya]
Maybe logical possibility does imply conceivability - by an ideal mind [Chalmers]
Williamson can't base metaphysical necessity on the psychology of causal counterfactuals [Lowe on Williamson]
We scorn imagination as a test of possibility, forgetting its role in counterfactuals [Williamson]
A proposition is 'correctly' conceivable if an ominiscient being could conceive it [Rosen]
Empiricism explores necessities and concept-limits by imagining negations of truths [Sidelle]
Contradictoriness limits what is possible and what is imaginable [Sidelle]
Empiricist saw imaginability and possibility as close, but now they seem remote [Bird]
Only ideal conceivability could indicate what is possible [Schaffer,J]
If conceivability is a priori coherence, that implies possibility [Tahko]
How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya]
Define conceivable; how reliable is it; does inconceivability help; and what type of possibility results? [Vaidya]