Combining Texts

Ideas for 'Metaphysics', 'fragments/reports' and 'Axiomatic Theories of Truth'

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14 ideas

10. Modality / A. Necessity / 2. Nature of Necessity
Necessity makes alternatives impossible [Aristotle]
Maybe necessity is a predicate, not the usual operator, to make it more like truth [Halbach]
10. Modality / A. Necessity / 6. Logical Necessity
A thing has a feature necessarily if its denial brings a contradiction [Aristotle]
10. Modality / A. Necessity / 10. Impossibility
From the necessity of the past we can infer the impossibility of what never happens [Diod.Cronus, by White,MJ]
10. Modality / B. Possibility / 1. Possibility
Anything which is possible either exists or will come into existence [Aristotle]
The Master Argument seems to prove that only what will happen is possible [Diod.Cronus, by Epictetus]
Possibility is when the necessity of the contrary is false [Aristotle]
10. Modality / B. Possibility / 4. Potentiality
A 'potentiality' is a principle of change or process in a thing [Aristotle]
Potentialities are always for action, but are conditional on circumstances [Aristotle]
We recognise potentiality from actuality [Aristotle]
Things are destroyed not by their powers, but by their lack of them [Aristotle]
10. Modality / B. Possibility / 8. Conditionals / d. Non-truthfunction conditionals
Conditionals are true when the antecedent is true, and the consequent has to be true [Diod.Cronus]
10. Modality / C. Sources of Modality / 6. Necessity from Essence
Some things have external causes of their necessity; others (the simple) generate necessities [Aristotle]
Aristotle's says necessary truths are distinct and derive from essential truths [Aristotle, by Koslicki]