Combining Texts
Ideas for
'fragments/reports', 'Prior Analytics' and 'Letters to Hegel'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
7 ideas
5. Theory of Logic / B. Logical Consequence / 3. Deductive Consequence |-
|
11148
|
Deduction is when we suppose one thing, and another necessarily follows [Aristotle]
|
5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
|
8078
|
Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]
|
5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle
|
6023
|
Every proposition is either true or false [Chrysippus, by Cicero]
|
5. Theory of Logic / E. Structures of Logic / 1. Logical Form
|
18896
|
Aristotle places terms at opposite ends, joined by a quantified copula [Aristotle, by Sommers]
|
5. Theory of Logic / E. Structures of Logic / 7. Predicates in Logic
|
3300
|
Aristotle's logic is based on the subject/predicate distinction, which leads him to substances and properties [Aristotle, by Benardete,JA]
|
5. Theory of Logic / G. Quantification / 1. Quantification
|
11149
|
Affirming/denying sentences are universal, particular, or indeterminate [Aristotle]
|
5. Theory of Logic / G. Quantification / 3. Objectual Quantification
|
8079
|
Aristotelian logic has two quantifiers of the subject ('all' and 'some') [Aristotle, by Devlin]
|