Ideas of Ian McFetridge, by Theme

[British, fl. 1986, At Birkbeck College, London. Died young.]

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3. Truth / B. Truthmakers / 1. For Truthmakers
18487 We want to know what makes sentences true, rather than defining 'true'
7. Existence / D. Theories of Reality / 8. Facts / a. Facts
18488 We normally explain natural events by citing further facts
10. Modality / A. Necessity / 6. Logical Necessity
12184 Logical necessity overrules all other necessities
15083 The fundamental case of logical necessity is the valid conclusion of an inference [Hale]
15084 In the McFetridge view, logical necessity means a consequent must be true if the antecedent is [Hale]
12180 Logical necessity requires that a valid argument be necessary
12181 Traditionally, logical necessity is the strongest, and entails any other necessities
12183 It is only logical necessity if there is absolutely no sense in which it could be false
12192 The mark of logical necessity is deduction from any suppositions whatever
10. Modality / B. Possibility / 2. Epistemic possibility
12182 We assert epistemic possibility without commitment to logical possibility
10. Modality / C. Sources of Modality / 1. Sources of Necessity
12187 Objectual modal realists believe in possible worlds; non-objectual ones rest it on the actual world
10. Modality / C. Sources of Modality / 5. Modality from Actuality
12186 Modal realists hold that necessities and possibilities are part of the totality of facts