Combining Texts

Ideas for 'Writing the Book of the World', 'Modality' and 'Semantics for Propositional Attitudes'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts

---

8 ideas

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

14980

There is a real issue over what is the 'correct' logic [Sider]

15000

'It is raining' and 'it is not raining' can't be legislated, so we can't legislate 'p or ¬p' [Sider]

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

15020

Classical logic is good for mathematics and science, but less good for natural language [Sider]

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

15029

Modal accounts of logical consequence are simple necessity, or essential use of logical words [Sider]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

15019

Define logical constants by role in proofs, or as fixed in meaning, or as topic-neutral [Sider]

5. Theory of Logic / G. Quantification / 5. Second-Order Quantification

5740	Second-order logic needs second-order variables and quantification into predicate position [Melia]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

15001

'Tonk' is supposed to follow the elimination and introduction rules, but it can't be so interpreted [Sider]

5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models

5741	If every model that makes premises true also makes conclusion true, the argument is valid [Melia]