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Ideas of Engelbretsen,G/Sayward,C, by Text
[, fl. 2011, two professors of logic.]
2011

Philosophical Logic: Intro to Advanced Topics

Intro

p.2

13849

Classical logic rests on truth and models, where constructivist logic rests on defence and refutation

7

p.132

13852

Axioms are ωincomplete if the instances are all derivable, but the universal quantification isn't

8

p.142

13913

The four 'perfect syllogisms' are called Barbara, Celarent, Darii and Ferio

8

p.143

13914

Syllogistic logic has one rule: what is affirmed/denied of wholes is affirmed/denied of their parts

8

p.144

13915

Syllogistic can't handle sentences with singular terms, or relational terms, or compound sentences

8

p.146

13916

Term logic uses expression letters and brackets, and '' for negative terms, and '+' for compound terms

Ch.2

p.50

13850

In modern logic all formal validity can be characterised syntactically

Ch.3

p.70

13851

Unlike most other signs, = cannot be eliminated
