Combining Texts

Ideas for 'The Roots of Reference', 'Goodbye Descartes' and 'Posterior Analytics'

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10 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

8091	Situation theory is logic that takes account of context [Devlin]

5. Theory of Logic / A. Overview of Logic / 2. History of Logic

8087	Golden ages: 1900-1960 for pure logic, and 1950-1985 for applied logic [Devlin]

8089	Montague's intensional logic incorporated the notion of meaning [Devlin]

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

12376

Demonstrations by reductio assume excluded middle [Aristotle]

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

12373

Something holds universally when it is proved of an arbitrary and primitive case [Aristotle]

5. Theory of Logic / B. Logical Consequence / 7. Strict Implication

8082	Where a conditional is purely formal, an implication implies a link between premise and conclusion [Devlin]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

12363

Everything is either asserted or denied truly [Aristotle]

5. Theory of Logic / E. Structures of Logic / 1. Logical Form

8072	Sentences of apparent identical form can have different contextual meanings [Devlin]

5. Theory of Logic / K. Features of Logics / 1. Axiomatisation

13004

Aristotle's axioms (unlike Euclid's) are assumptions awaiting proof [Aristotle, by Leibniz]

5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / a. Achilles paradox

8075	Space and time are atomic in the arrow, and divisible in the tortoise [Devlin]